Corrections for June 30, 2021
The following corrections were made on June 30, 2021
| Symbol
|
Assessment Date
|
Original Assessment
|
New Assessment
|
Description
|
| AAEUQ01c | 01-Jan-21 | 63.69 | 63.77 | OPEC Basket Price Yearly |
| AAEUQ03c | 01-Jun-21 | 71.74 | 71.81 | OPEC Basket Price Monthly |
| AAEUQ04c | 02-Jul-21 | 73.84 | 73.59 | OPEC Basket Price Weekly |
| IGBAB06w | 01-Apr-21 | 555 | 577 | El Paso Permian FDt Midpt MAvg |
| IGBAB06w | 01-Mar-21 | 577 | 946 | El Paso Permian FDt Midpt MAvg |
| IGBAB06w | 01-May-21 | 521 | 555 | El Paso Permian FDt Midpt MAvg |
| IGBAB08u | 01-Apr-21 | 104 | 98 | El Paso Permian FDt DlCt MAvg |
| IGBAB08u | 01-Mar-21 | 98 | 153 | El Paso Permian FDt DlCt MAvg |
| IGBAB08u | 01-May-21 | 99 | 104 | El Paso Permian FDt DlCt MAvg |
| IGBAD06w | 01-Apr-21 | 441 | 472 | Waha FDt Midpoint MAvg |
| IGBAD06w | 01-Mar-21 | 472 | 832 | Waha FDt Midpoint MAvg |
| IGBAD06w | 01-May-21 | 384 | 441 | Waha FDt Midpoint MAvg |
| IGBAD08u | 01-Apr-21 | 79 | 76 | Waha FDt DlCt MAvg |
| IGBAD08u | 01-Mar-21 | 76 | 131 | Waha FDt DlCt MAvg |
| IGBAD08u | 01-May-21 | 73 | 79 | Waha FDt DlCt MAvg |
| IGBAE06w | 01-Apr-21 | 73 | 42 | Transwstn Permian FDt Midpt MAvg |
| IGBAE06w | 01-Mar-21 | 42 | 62 | Transwstn Permian FDt Midpt MAvg |
| IGBAE06w | 01-May-21 | 124 | 73 | Transwstn Permian FDt Midpt MAvg |
| IGBAE08u | 01-Apr-21 | 14 | 8 | Transwestn Perm FDt DlCt MAvg |
| IGBAE08u | 01-Mar-21 | 8 | 13 | Transwestn Perm FDt DlCt MAvg |
| IGBAE08u | 01-May-21 | 18 | 14 | Transwestn Perm FDt DlCt MAvg |
| IGBAF06w | 01-Apr-21 | 55 | 24 | Carthage Hub FDt Midpoint MAvg |
| IGBAF06w | 01-Mar-21 | 24 | 75 | Carthage Hub FDt Midpoint MAvg |
| IGBAF06w | 01-May-21 | 37 | 55 | Carthage Hub FDt Midpoint MAvg |
| IGBAF08u | 01-Apr-21 | 11 | 5 | Carthage Hub FDt DlCt MAvg |
| IGBAF08u | 01-Mar-21 | 5 | 11 | Carthage Hub FDt DlCt MAvg |
| IGBAF08u | 01-May-21 | 7 | 11 | Carthage Hub FDt DlCt MAvg |
| IGBAL06w | 01-Apr-21 | 756 | 757 | NGPL Texok Zn FDt Midpoint MAvg |
| IGBAL06w | 01-Mar-21 | 757 | 1089 | NGPL Texok Zn FDt Midpoint MAvg |
| IGBAL06w | 01-May-21 | 745 | 756 | NGPL Texok Zn FDt Midpoint MAvg |
| IGBAL08u | 01-Apr-21 | 112 | 113 | NGPL Texok Zone FDt DlCt MAvg |
| IGBAL08u | 01-Mar-21 | 113 | 154 | NGPL Texok Zone FDt DlCt MAvg |
| IGBAL08u | 01-May-21 | 110 | 112 | NGPL Texok Zone FDt DlCt MAvg |
| IGBAN06w | 01-Apr-21 | 24 | 11 | TX Eastern ETX FDt Midpoint MAvg |
| IGBAN06w | 01-Mar-21 | 11 | 17 | TX Eastern ETX FDt Midpoint MAvg |
| IGBAN06w | 01-May-21 | 10 | 24 | TX Eastern ETX FDt Midpoint MAvg |
| IGBAN08u | 01-Apr-21 | 5 | 4 | TX Eastern ETX FDt DlCt MAvg |
| IGBAN08u | 01-Mar-21 | 4 | 3 | TX Eastern ETX FDt DlCt MAvg |
| IGBAN08u | 01-May-21 | 3 | 5 | TX Eastern ETX FDt DlCt MAvg |
| IGBAO06w | 01-Apr-21 | 336 | 245 | Texas Gas Zn 1 FDt Midpoint MAvg |
| IGBAO06w | 01-Mar-21 | 245 | 477 | Texas Gas Zn 1 FDt Midpoint MAvg |
| IGBAO06w | 01-May-21 | 252 | 336 | Texas Gas Zn 1 FDt Midpoint MAvg |
| IGBAO08u | 01-Apr-21 | 55 | 38 | Texas Gas Zn 1 FDt DlCt MAvg |
| IGBAO08u | 01-Mar-21 | 38 | 80 | Texas Gas Zn 1 FDt DlCt MAvg |
| IGBAO08u | 01-May-21 | 45 | 55 | Texas Gas Zn 1 FDt DlCt MAvg |
| IGBAP06w | 01-Apr-21 | 26 | 45 | Houston ShpChl FDt Midpt MAvg |
| IGBAP06w | 01-Mar-21 | 45 | 93 | Houston ShpChl FDt Midpt MAvg |
| IGBAP06w | 01-May-21 | 20 | 26 | Houston ShpChl FDt Midpt MAvg |
| IGBAP08u | 01-Apr-21 | 5 | 8 | Houston ShpChl FDt DlCt MAvg |
| IGBAP08u | 01-Mar-21 | 8 | 12 | Houston ShpChl FDt DlCt MAvg |
| IGBAP08u | 01-May-21 | 4 | 5 | Houston ShpChl FDt DlCt MAvg |
| IGBAQ06w | 01-Apr-21 | 372 | 592 | Katy FDt Midpoint MAvg |
| IGBAQ06w | 01-Mar-21 | 592 | 746 | Katy FDt Midpoint MAvg |
| IGBAQ06w | 01-May-21 | 284 | 372 | Katy FDt Midpoint MAvg |
| IGBAQ08u | 01-Apr-21 | 50 | 70 | Katy FDt DlCt MAvg |
| IGBAQ08u | 01-Mar-21 | 70 | 93 | Katy FDt DlCt MAvg |
| IGBAQ08u | 01-May-21 | 41 | 50 | Katy FDt DlCt MAvg |
| IGBAV06w | 01-Apr-21 | 19 | 36 | Agua Dulce Hub FDt Midpoint MAvg |
| IGBAV06w | 01-Mar-21 | 36 | 55 | Agua Dulce Hub FDt Midpoint MAvg |
| IGBAV06w | 01-May-21 | 9 | 19 | Agua Dulce Hub FDt Midpoint MAvg |
| IGBAV08u | 01-Apr-21 | 2 | 3 | Agua Dulce Hub FDt DlCt MAvg |
| IGBAV08u | 01-Mar-21 | 3 | 5 | Agua Dulce Hub FDt DlCt MAvg |
| IGBAV08u | 01-May-21 | 1 | 2 | Agua Dulce Hub FDt DlCt MAvg |
| IGBAW06w | 01-Apr-21 | 50 | 40 | FL Gas Zn1 FDt Midpoint MAvg |
| IGBAW06w | 01-Mar-21 | 40 | 61 | FL Gas Zn1 FDt Midpoint MAvg |
| IGBAW06w | 01-May-21 | 51 | 50 | FL Gas Zn1 FDt Midpoint MAvg |
| IGBAW08u | 01-May-21 | 5 | 3 | FL Gas Zn1 FDt DlCt MAvg |
| IGBAZ06w | 01-Apr-21 | 15 | 6 | NGPL S TX FDt Midpoint MAvg |
| IGBAZ06w | 01-Mar-21 | 6 | 33 | NGPL S TX FDt Midpoint MAvg |
| IGBAZ06w | 01-May-21 | 1 | 15 | NGPL S TX FDt Midpoint MAvg |
| IGBAZ08u | 01-Apr-21 | 2 | 1 | NGPL S TX FDt DlCt MAvg |
| IGBAZ08u | 01-Mar-21 | 1 | 6 | NGPL S TX FDt DlCt MAvg |
| IGBAZ08u | 01-May-21 | 0 | 2 | NGPL S TX FDt DlCt MAvg |
| IGBBA06w | 01-Apr-21 | 266 | 339 | Tenn Zn0 FDt Midpoint MAvg |
| IGBBA06w | 01-Mar-21 | 339 | 388 | Tenn Zn0 FDt Midpoint MAvg |
| IGBBA06w | 01-May-21 | 217 | 266 | Tenn Zn0 FDt Midpoint MAvg |
| IGBBA08u | 01-Apr-21 | 47 | 51 | Tenn Zn0 FDt DlCt MAvg |
| IGBBA08u | 01-Mar-21 | 51 | 63 | Tenn Zn0 FDt DlCt MAvg |
| IGBBA08u | 01-May-21 | 41 | 47 | Tenn Zn0 FDt DlCt MAvg |
| IGBBB06w | 01-Apr-21 | 180 | 151 | TX Eastern STX FDt Midpoint MAvg |
| IGBBB06w | 01-Mar-21 | 151 | 323 | TX Eastern STX FDt Midpoint MAvg |
| IGBBB06w | 01-May-21 | 183 | 180 | TX Eastern STX FDt Midpoint MAvg |
| IGBBB08u | 01-Apr-21 | 30 | 27 | TX Eastern STX FDt DlCt MAvg |
| IGBBB08u | 01-Mar-21 | 27 | 49 | TX Eastern STX FDt DlCt MAvg |
| IGBBC06w | 01-Apr-21 | 42 | 27 | Transco Zn1 FDt Midpoint MAvg |
| IGBBC06w | 01-Mar-21 | 27 | 45 | Transco Zn1 FDt Midpoint MAvg |
| IGBBC06w | 01-May-21 | 25 | 42 | Transco Zn1 FDt Midpoint MAvg |
| IGBBC08u | 01-Apr-21 | 11 | 7 | Transco Zn1 FDt DlCt MAvg |
| IGBBC08u | 01-Mar-21 | 7 | 13 | Transco Zn1 FDt DlCt MAvg |
| IGBBC08u | 01-May-21 | 7 | 11 | Transco Zn1 FDt DlCt MAvg |
| IGBBF06w | 01-Apr-21 | 68 | 42 | ANR LA FDt Midpoint MAvg |
| IGBBF06w | 01-Mar-21 | 42 | 186 | ANR LA FDt Midpoint MAvg |
| IGBBF06w | 01-May-21 | 52 | 68 | ANR LA FDt Midpoint MAvg |
| IGBBF08u | 01-Apr-21 | 12 | 8 | ANR LA FDt DlCt MAvg |
| IGBBF08u | 01-Mar-21 | 8 | 29 | ANR LA FDt DlCt MAvg |
| IGBBG06w | 01-Apr-21 | 147 | 87 | Col Gulf LA FDt Midpoint MAvg |
| IGBBG06w | 01-Mar-21 | 87 | 177 | Col Gulf LA FDt Midpoint MAvg |
| IGBBG06w | 01-May-21 | 128 | 147 | Col Gulf LA FDt Midpoint MAvg |
| IGBBG08u | 01-Apr-21 | 24 | 14 | Col Gulf LA FDt DlCt MAvg |
| IGBBG08u | 01-Mar-21 | 14 | 29 | Col Gulf LA FDt DlCt MAvg |
| IGBBG08u | 01-May-21 | 22 | 24 | Col Gulf LA FDt DlCt MAvg |
| IGBBH06w | 01-Apr-21 | 120 | 227 | Col Gulf Mainline FDt Midpt MAvg |
| IGBBH06w | 01-Mar-21 | 227 | 530 | Col Gulf Mainline FDt Midpt MAvg |
| IGBBH06w | 01-May-21 | 131 | 120 | Col Gulf Mainline FDt Midpt MAvg |
| IGBBH08u | 01-Apr-21 | 26 | 41 | Col Gulf Mainline FDt DlCt MAvg |
| IGBBH08u | 01-Mar-21 | 41 | 86 | Col Gulf Mainline FDt DlCt MAvg |
| IGBBH08u | 01-May-21 | 24 | 26 | Col Gulf Mainline FDt DlCt MAvg |
| IGBBJ06w | 01-Apr-21 | 60 | 73 | FL Gas Zn2 FDt Midpoint MAvg |
| IGBBJ06w | 01-Mar-21 | 73 | 130 | FL Gas Zn2 FDt Midpoint MAvg |
| IGBBJ06w | 01-May-21 | 63 | 60 | FL Gas Zn2 FDt Midpoint MAvg |
| IGBBJ08u | 01-Apr-21 | 4 | 3 | FL Gas Zn2 FDt DlCt MAvg |
| IGBBJ08u | 01-Mar-21 | 3 | 6 | FL Gas Zn2 FDt DlCt MAvg |
| IGBBK06w | 01-Apr-21 | 214 | 158 | FL Gas Zn3 FDt Midpoint MAvg |
| IGBBK06w | 01-Mar-21 | 158 | 252 | FL Gas Zn3 FDt Midpoint MAvg |
| IGBBK06w | 01-May-21 | 281 | 214 | FL Gas Zn3 FDt Midpoint MAvg |
| IGBBK08u | 01-Apr-21 | 32 | 22 | FL Gas Zn3 FDt DlCt MAvg |
| IGBBK08u | 01-Mar-21 | 22 | 37 | FL Gas Zn3 FDt DlCt MAvg |
| IGBBK08u | 01-May-21 | 40 | 32 | FL Gas Zn3 FDt DlCt MAvg |
| IGBBL06w | 01-Apr-21 | 320 | 164 | Henry Hub FDt Midpoint MAvg |
| IGBBL06w | 01-Mar-21 | 164 | 321 | Henry Hub FDt Midpoint MAvg |
| IGBBL06w | 01-May-21 | 613 | 320 | Henry Hub FDt Midpoint MAvg |
| IGBBL08u | 01-Apr-21 | 39 | 25 | Henry Hub FDt DlCt MAvg |
| IGBBL08u | 01-Mar-21 | 25 | 47 | Henry Hub FDt DlCt MAvg |
| IGBBL08u | 01-May-21 | 76 | 39 | Henry Hub FDt DlCt MAvg |
| IGBBO06w | 01-Apr-21 | 376 | 416 | SoNat LA FDt Midpoint MAvg |
| IGBBO06w | 01-Mar-21 | 416 | 490 | SoNat LA FDt Midpoint MAvg |
| IGBBO06w | 01-May-21 | 408 | 376 | SoNat LA FDt Midpoint MAvg |
| IGBBO08u | 01-Apr-21 | 52 | 63 | SoNat LA FDt DlCt MAvg |
| IGBBO08u | 01-Mar-21 | 63 | 81 | SoNat LA FDt DlCt MAvg |
| IGBBO08u | 01-May-21 | 63 | 52 | SoNat LA FDt DlCt MAvg |
| IGBBP06w | 01-Apr-21 | 183 | 181 | Tenn LA 500 Leg FDt Midpt MAvg |
| IGBBP06w | 01-Mar-21 | 181 | 553 | Tenn LA 500 Leg FDt Midpt MAvg |
| IGBBP06w | 01-May-21 | 199 | 183 | Tenn LA 500 Leg FDt Midpt MAvg |
| IGBBP08u | 01-Mar-21 | 32 | 94 | Tenn LA 500 leg FDt DlCt MAvg |
| IGBBP08u | 01-May-21 | 38 | 32 | Tenn LA 500 leg FDt DlCt MAvg |
| IGBBQ06w | 01-Apr-21 | 59 | 102 | Tenn LA 800 Leg FDt Midpt MAvg |
| IGBBQ06w | 01-Mar-21 | 102 | 213 | Tenn LA 800 Leg FDt Midpt MAvg |
| IGBBQ06w | 01-May-21 | 71 | 59 | Tenn LA 800 Leg FDt Midpt MAvg |
| IGBBQ08u | 01-Apr-21 | 12 | 17 | Tenn LA 800 leg FDt DlCt MAvg |
| IGBBQ08u | 01-Mar-21 | 17 | 35 | Tenn LA 800 leg FDt DlCt MAvg |
| IGBBQ08u | 01-May-21 | 15 | 12 | Tenn LA 800 leg FDt DlCt MAvg |
| IGBBR06w | 01-Apr-21 | 170 | 107 | TX Eastern WLA FDt Midpt MAvg |
| IGBBR06w | 01-Mar-21 | 107 | 314 | TX Eastern WLA FDt Midpt MAvg |
| IGBBR06w | 01-May-21 | 153 | 170 | TX Eastern WLA FDt Midpt MAvg |
| IGBBR08u | 01-Apr-21 | 25 | 16 | TX Eastern W LA FDt DlCt MAvg |
| IGBBR08u | 01-Mar-21 | 16 | 42 | TX Eastern W LA FDt DlCt MAvg |
| IGBBR08u | 01-May-21 | 23 | 25 | TX Eastern W LA FDt DlCt MAvg |
| IGBBS06w | 01-Apr-21 | 70 | 85 | TX Eastern ELA FDt Midpt MAvg |
| IGBBS06w | 01-Mar-21 | 85 | 81 | TX Eastern ELA FDt Midpt MAvg |
| IGBBS06w | 01-May-21 | 44 | 70 | TX Eastern ELA FDt Midpt MAvg |
| IGBBS08u | 01-Apr-21 | 15 | 22 | TX Eastern E LA FDt DlCt MAvg |
| IGBBS08u | 01-Mar-21 | 22 | 16 | TX Eastern E LA FDt DlCt MAvg |
| IGBBS08u | 01-May-21 | 11 | 15 | TX Eastern E LA FDt DlCt MAvg |
| IGBBT06w | 01-Apr-21 | 8 | 7 | Texas Gas Zn SL FDt Midpt MAvg |
| IGBBT06w | 01-Mar-21 | 7 | 8 | Texas Gas Zn SL FDt Midpt MAvg |
| IGBBT08u | 01-Mar-21 | 0 | 1 | Texas Gas Zn SL FDt DlCt MAvg |
| IGBBU06w | 01-Apr-21 | 6 | 9 | Transco Zn2 FDt Midpoint MAvg |
| IGBBU06w | 01-Mar-21 | 9 | 36 | Transco Zn2 FDt Midpoint MAvg |
| IGBBU06w | 01-May-21 | 1 | 6 | Transco Zn2 FDt Midpoint MAvg |
| IGBBU08u | 01-Apr-21 | 1 | 2 | Transco Zn2 FDt DlCt MAvg |
| IGBBU08u | 01-Mar-21 | 2 | 6 | Transco Zn2 FDt DlCt MAvg |
| IGBBU08u | 01-May-21 | 0 | 1 | Transco Zn2 FDt DlCt MAvg |
| IGBBV06w | 01-Apr-21 | 176 | 229 | Transco Zn3 FDt Midpoint MAvg |
| IGBBV06w | 01-Mar-21 | 229 | 465 | Transco Zn3 FDt Midpoint MAvg |
| IGBBV06w | 01-May-21 | 206 | 176 | Transco Zn3 FDt Midpoint MAvg |
| IGBBV08u | 01-Apr-21 | 32 | 42 | Transco Zn3 FDt DlCt MAvg |
| IGBBV08u | 01-Mar-21 | 42 | 82 | Transco Zn3 FDt DlCt MAvg |
| IGBBV08u | 01-May-21 | 39 | 32 | Transco Zn3 FDt DlCt MAvg |
| IGBBX06w | 01-Mar-21 | 0 | 1 | Trunkline ELA FDt Midpoint MAvg |
| IGBBY06w | 01-Apr-21 | 86 | 65 | ANR OK FDt Midpoint MAvg |
| IGBBY06w | 01-Mar-21 | 65 | 165 | ANR OK FDt Midpoint MAvg |
| IGBBY06w | 01-May-21 | 77 | 86 | ANR OK FDt Midpoint MAvg |
| IGBBY08u | 01-Apr-21 | 17 | 12 | ANR OK FDt DlCt MAvg |
| IGBBY08u | 01-Mar-21 | 12 | 34 | ANR OK FDt DlCt MAvg |
| IGBBY08u | 01-May-21 | 15 | 17 | ANR OK FDt DlCt MAvg |
| IGBBZ06w | 01-Apr-21 | 354 | 405 | NGPL Midcont FDt Midpoint MAvg |
| IGBBZ06w | 01-Mar-21 | 405 | 431 | NGPL Midcont FDt Midpoint MAvg |
| IGBBZ06w | 01-May-21 | 345 | 354 | NGPL Midcont FDt Midpoint MAvg |
| IGBBZ08u | 01-Apr-21 | 62 | 63 | NGPL Midcontinent FDt DlCt MAvg |
| IGBBZ08u | 01-Mar-21 | 63 | 77 | NGPL Midcontinent FDt DlCt MAvg |
| IGBBZ08u | 01-May-21 | 54 | 62 | NGPL Midcontinent FDt DlCt MAvg |
| IGBCA06w | 01-Apr-21 | 31 | 29 | Enable Gas Transmission FDt Midp |
| IGBCA06w | 01-Mar-21 | 29 | 95 | Enable Gas Transmission FDt Midp |
| IGBCA06w | 01-May-21 | 42 | 31 | Enable Gas Transmission FDt Midp |
| IGBCA08u | 01-Apr-21 | 7 | 6 | Enable Gas East FDt DlCt MAvg |
| IGBCA08u | 01-Mar-21 | 6 | 20 | Enable Gas East FDt DlCt MAvg |
| IGBCA08u | 01-May-21 | 10 | 7 | Enable Gas East FDt DlCt MAvg |
| IGBCD06w | 01-Apr-21 | 20 | 68 | Oneok OK FDt Midpoint MAvg |
| IGBCD06w | 01-Mar-21 | 68 | 173 | Oneok OK FDt Midpoint MAvg |
| IGBCD06w | 01-May-21 | 56 | 20 | Oneok OK FDt Midpoint MAvg |
| IGBCD08u | 01-Apr-21 | 5 | 14 | Oneok OK FDt DlCt MAvg |
| IGBCD08u | 01-Mar-21 | 14 | 35 | Oneok OK FDt DlCt MAvg |
| IGBCD08u | 01-May-21 | 13 | 5 | Oneok OK FDt DlCt MAvg |
| IGBCE06w | 01-Apr-21 | 141 | 228 | Panhandle TX-OK FDt Midpt MAvg |
| IGBCE06w | 01-Mar-21 | 228 | 396 | Panhandle TX-OK FDt Midpt MAvg |
| IGBCE06w | 01-May-21 | 162 | 141 | Panhandle TX-OK FDt Midpt MAvg |
| IGBCE08u | 01-Apr-21 | 32 | 43 | Panhandle TX-OK FDt DlCt MAvg |
| IGBCE08u | 01-Mar-21 | 43 | 91 | Panhandle TX-OK FDt DlCt MAvg |
| IGBCE08u | 01-May-21 | 33 | 32 | Panhandle TX-OK FDt DlCt MAvg |
| IGBCF06w | 01-Apr-21 | 75 | 31 | Sth Star TxOkKs FDt Midpt MAvg |
| IGBCF06w | 01-Mar-21 | 31 | 63 | Sth Star TxOkKs FDt Midpt MAvg |
| IGBCF06w | 01-May-21 | 76 | 75 | Sth Star TxOkKs FDt Midpt MAvg |
| IGBCF08u | 01-Apr-21 | 11 | 6 | Southern Star TxOkKs FDt DlCt MA |
| IGBCF08u | 01-Mar-21 | 6 | 10 | Southern Star TxOkKs FDt DlCt MA |
| IGBCF08u | 01-May-21 | 10 | 11 | Southern Star TxOkKs FDt DlCt MA |
| IGBCG06w | 01-Apr-21 | 120 | 124 | El Paso Bondad FDt Midpt MAvg |
| IGBCG06w | 01-Mar-21 | 124 | 206 | El Paso Bondad FDt Midpt MAvg |
| IGBCG06w | 01-May-21 | 84 | 120 | El Paso Bondad FDt Midpt MAvg |
| IGBCG08u | 01-Apr-21 | 24 | 26 | El Paso Bondad FDt DlCt MAvg |
| IGBCG08u | 01-Mar-21 | 26 | 39 | El Paso Bondad FDt DlCt MAvg |
| IGBCG08u | 01-May-21 | 19 | 24 | El Paso Bondad FDt DlCt MAvg |
| IGBCH06w | 01-Apr-21 | 165 | 128 | El Paso SanJuan FDt Midpt MAvg |
| IGBCH06w | 01-Mar-21 | 128 | 292 | El Paso SanJuan FDt Midpt MAvg |
| IGBCH06w | 01-May-21 | 208 | 165 | El Paso SanJuan FDt Midpt MAvg |
| IGBCH08u | 01-Apr-21 | 28 | 27 | El Paso SanJuan FDt DlCt MAvg |
| IGBCH08u | 01-Mar-21 | 27 | 55 | El Paso SanJuan FDt DlCt MAvg |
| IGBCH08u | 01-May-21 | 41 | 28 | El Paso SanJuan FDt DlCt MAvg |
| IGBCK06w | 01-Apr-21 | 47 | 53 | CIG Rocky Mtns FDt Midpt MAvg |
| IGBCK06w | 01-Mar-21 | 53 | 87 | CIG Rocky Mtns FDt Midpt MAvg |
| IGBCK06w | 01-May-21 | 57 | 47 | CIG Rocky Mtns FDt Midpt MAvg |
| IGBCK08u | 01-Apr-21 | 12 | 10 | CIG Rocky Mountains FDt DlCt MAv |
| IGBCK08u | 01-Mar-21 | 10 | 17 | CIG Rocky Mountains FDt DlCt MAv |
| IGBCL06w | 01-Apr-21 | 598 | 497 | Kern River Opal FDt Midpt MAvg |
| IGBCL06w | 01-Mar-21 | 497 | 723 | Kern River Opal FDt Midpt MAvg |
| IGBCL06w | 01-May-21 | 479 | 598 | Kern River Opal FDt Midpt MAvg |
| IGBCL08u | 01-Apr-21 | 118 | 100 | Kern River Opal FDt DlCt MAvg |
| IGBCL08u | 01-Mar-21 | 100 | 140 | Kern River Opal FDt DlCt MAvg |
| IGBCL08u | 01-May-21 | 94 | 118 | Kern River Opal FDt DlCt MAvg |
| IGBCM06w | 01-Apr-21 | 77 | 66 | Stanfield OR FDt Midpoint MAvg |
| IGBCM06w | 01-Mar-21 | 66 | 147 | Stanfield OR FDt Midpoint MAvg |
| IGBCM06w | 01-May-21 | 55 | 77 | Stanfield OR FDt Midpoint MAvg |
| IGBCM08u | 01-Apr-21 | 17 | 13 | Stanfield OR FDt DlCt MAvg |
| IGBCM08u | 01-Mar-21 | 13 | 31 | Stanfield OR FDt DlCt MAvg |
| IGBCM08u | 01-May-21 | 12 | 17 | Stanfield OR FDt DlCt MAvg |
| IGBCN06w | 01-Apr-21 | 22 | 4 | Questar Rocky Mtn FDt Midpt MAvg |
| IGBCN06w | 01-Mar-21 | 4 | 23 | Questar Rocky Mtn FDt Midpt MAvg |
| IGBCN06w | 01-May-21 | 16 | 22 | Questar Rocky Mtn FDt Midpt MAvg |
| IGBCN08u | 01-Apr-21 | 4 | 2 | Questar Rky Mtn FDt DlCt MAvg |
| IGBCN08u | 01-Mar-21 | 2 | 5 | Questar Rky Mtn FDt DlCt MAvg |
| IGBCO06w | 01-Apr-21 | 405 | 308 | Cheyenne Hub FDt Midpt MAvg |
| IGBCO06w | 01-Mar-21 | 308 | 605 | Cheyenne Hub FDt Midpt MAvg |
| IGBCO06w | 01-May-21 | 291 | 405 | Cheyenne Hub FDt Midpt MAvg |
| IGBCO08u | 01-Apr-21 | 65 | 47 | Cheyenne Hub FDt DlCt MAvg |
| IGBCO08u | 01-Mar-21 | 47 | 99 | Cheyenne Hub FDt DlCt MAvg |
| IGBCO08u | 01-May-21 | 48 | 65 | Cheyenne Hub FDt DlCt MAvg |
| IGBCP06w | 01-Apr-21 | 159 | 210 | NW WY Pool/Rocky FDt Midpt MAvg |
| IGBCP06w | 01-Mar-21 | 210 | 330 | NW WY Pool/Rocky FDt Midpt MAvg |
| IGBCP06w | 01-May-21 | 163 | 159 | NW WY Pool/Rocky FDt Midpt MAvg |
| IGBCP08u | 01-Apr-21 | 31 | 40 | NW WY Pool/Rky FDt DlCt MAvg |
| IGBCP08u | 01-Mar-21 | 40 | 66 | NW WY Pool/Rky FDt DlCt MAvg |
| IGBCP08u | 01-May-21 | 35 | 31 | NW WY Pool/Rky FDt DlCt MAvg |
| IGBCQ06w | 01-Apr-21 | 60 | 30 | NW S Green River FDt Midpt MAvg |
| IGBCQ06w | 01-Mar-21 | 30 | 74 | NW S Green River FDt Midpt MAvg |
| IGBCQ06w | 01-May-21 | 81 | 60 | NW S Green River FDt Midpt MAvg |
| IGBCQ08u | 01-Apr-21 | 14 | 7 | NW S Green River FDt DlCt MAvg |
| IGBCQ08u | 01-Mar-21 | 7 | 12 | NW S Green River FDt DlCt MAvg |
| IGBCR06w | 01-Apr-21 | 66 | 166 | Iroquois Rcpts FDt Midpt MAvg |
| IGBCR06w | 01-Mar-21 | 166 | 197 | Iroquois Rcpts FDt Midpt MAvg |
| IGBCR06w | 01-May-21 | 51 | 66 | Iroquois Rcpts FDt Midpt MAvg |
| IGBCR08u | 01-Apr-21 | 20 | 43 | Iroquois receipts FDt DlCt MAvg |
| IGBCR08u | 01-Mar-21 | 43 | 53 | Iroquois receipts FDt DlCt MAvg |
| IGBCR08u | 01-May-21 | 15 | 20 | Iroquois receipts FDt DlCt MAvg |
| IGBCS06w | 01-Apr-21 | 17 | 7 | Niagara FDt Midpoint MAvg |
| IGBCS06w | 01-Mar-21 | 7 | 20 | Niagara FDt Midpoint MAvg |
| IGBCS06w | 01-May-21 | 21 | 17 | Niagara FDt Midpoint MAvg |
| IGBCS08u | 01-Apr-21 | 4 | 1 | Niagara FDt DlCt MAvg |
| IGBCS08u | 01-Mar-21 | 1 | 5 | Niagara FDt DlCt MAvg |
| IGBCS08u | 01-May-21 | 6 | 4 | Niagara FDt DlCt MAvg |
| IGBCT06w | 01-Apr-21 | 118 | 148 | NW Can Bd Sumas FDt Midpt MAvg |
| IGBCT06w | 01-Mar-21 | 148 | 216 | NW Can Bd Sumas FDt Midpt MAvg |
| IGBCT06w | 01-May-21 | 120 | 118 | NW Can Bd Sumas FDt Midpt MAvg |
| IGBCT08u | 01-Apr-21 | 28 | 32 | NW Can Bd Sumas FDt DlCt MAvg |
| IGBCT08u | 01-Mar-21 | 32 | 55 | NW Can Bd Sumas FDt DlCt MAvg |
| IGBCT08u | 01-May-21 | 25 | 28 | NW Can Bd Sumas FDt DlCt MAvg |
| IGBCU06w | 01-Apr-21 | 652 | 658 | TC Alb AECO-C FDt Midpt MAvg |
| IGBCU06w | 01-Mar-21 | 658 | 918 | TC Alb AECO-C FDt Midpt MAvg |
| IGBCU06w | 01-May-21 | 510 | 652 | TC Alb AECO-C FDt Midpt MAvg |
| IGBCU08u | 01-Apr-21 | 97 | 101 | TCPL Alberta AECO-C FDt DlCt MAv |
| IGBCU08u | 01-Mar-21 | 101 | 132 | TCPL Alberta AECO-C FDt DlCt MAv |
| IGBCU08u | 01-May-21 | 70 | 97 | TCPL Alberta AECO-C FDt DlCt MAv |
| IGBCW06w | 01-Apr-21 | 70 | 95 | Emerson Viking FDt Midpoint MAvg |
| IGBCW06w | 01-Mar-21 | 95 | 104 | Emerson Viking FDt Midpoint MAvg |
| IGBCW06w | 01-May-21 | 60 | 70 | Emerson Viking FDt Midpoint MAvg |
| IGBCW08u | 01-Apr-21 | 14 | 18 | Emerson Viking GL FDt DlCt MAvg |
| IGBCW08u | 01-Mar-21 | 18 | 22 | Emerson Viking GL FDt DlCt MAvg |
| IGBCX06w | 01-Apr-21 | 445 | 393 | Dawn Ontario FDt Midpoint MAvg |
| IGBCX06w | 01-Mar-21 | 393 | 490 | Dawn Ontario FDt Midpoint MAvg |
| IGBCX06w | 01-May-21 | 331 | 445 | Dawn Ontario FDt Midpoint MAvg |
| IGBCX08u | 01-Apr-21 | 67 | 57 | Dawn Ontario FDt DlCt MAvg |
| IGBCX08u | 01-Mar-21 | 57 | 78 | Dawn Ontario FDt DlCt MAvg |
| IGBCX08u | 01-May-21 | 50 | 67 | Dawn Ontario FDt DlCt MAvg |
| IGBCY06w | 01-Apr-21 | 31 | 27 | GTNW Kingsgate FDt Midpt MAvg |
| IGBCY06w | 01-Mar-21 | 27 | 52 | GTNW Kingsgate FDt Midpt MAvg |
| IGBCY06w | 01-May-21 | 8 | 31 | GTNW Kingsgate FDt Midpt MAvg |
| IGBCY08u | 01-Apr-21 | 8 | 7 | GTN Kingsgate FDt DlCt MAvg |
| IGBCY08u | 01-Mar-21 | 7 | 14 | GTN Kingsgate FDt DlCt MAvg |
| IGBCY08u | 01-May-21 | 3 | 8 | GTN Kingsgate FDt DlCt MAvg |
| IGBCZ06w | 01-Apr-21 | 91 | 36 | Westcoast Stn 2 FDt Midpt MAvg |
| IGBCZ06w | 01-Mar-21 | 36 | 59 | Westcoast Stn 2 FDt Midpt MAvg |
| IGBCZ06w | 01-May-21 | 92 | 91 | Westcoast Stn 2 FDt Midpt MAvg |
| IGBCZ08u | 01-Apr-21 | 22 | 11 | Westcoast Stn 2 FDt DlCt MAvg |
| IGBCZ08u | 01-Mar-21 | 11 | 17 | Westcoast Stn 2 FDt DlCt MAvg |
| IGBDB06w | 01-Apr-21 | 99 | 87 | Dominion N Pt FDt Midpoint MAvg |
| IGBDB06w | 01-Mar-21 | 87 | 120 | Dominion N Pt FDt Midpoint MAvg |
| IGBDB06w | 01-May-21 | 109 | 99 | Dominion N Pt FDt Midpoint MAvg |
| IGBDB08u | 01-Apr-21 | 21 | 19 | Dominion N Pt FDt DlCt MAvg |
| IGBDB08u | 01-Mar-21 | 19 | 25 | Dominion N Pt FDt DlCt MAvg |
| IGBDB08u | 01-May-21 | 17 | 21 | Dominion N Pt FDt DlCt MAvg |
| IGBDC06w | 01-Apr-21 | 786 | 719 | Dominion S Pt FDt Midpoint MAvg |
| IGBDC06w | 01-Mar-21 | 719 | 763 | Dominion S Pt FDt Midpoint MAvg |
| IGBDC06w | 01-May-21 | 630 | 786 | Dominion S Pt FDt Midpoint MAvg |
| IGBDC08u | 01-Apr-21 | 136 | 120 | Dominion S Pt FDt DlCt MAvg |
| IGBDC08u | 01-Mar-21 | 120 | 144 | Dominion S Pt FDt DlCt MAvg |
| IGBDC08u | 01-May-21 | 111 | 136 | Dominion S Pt FDt DlCt MAvg |
| IGBDD06w | 01-May-21 | 15 | 13 | Leidy Hub FDt Midpoint MAvg |
| IGBDD08u | 01-May-21 | 1 | 2 | Leidy Hub FDt DlCt MAvg |
| IGBDE06w | 01-Apr-21 | 503 | 594 | Col Gas Appal FDt Midpoint MAvg |
| IGBDE06w | 01-Mar-21 | 594 | 674 | Col Gas Appal FDt Midpoint MAvg |
| IGBDE06w | 01-May-21 | 463 | 503 | Col Gas Appal FDt Midpoint MAvg |
| IGBDE08u | 01-Apr-21 | 98 | 112 | Col Gas Appal FDt DlCt MAvg |
| IGBDE08u | 01-Mar-21 | 112 | 129 | Col Gas Appal FDt DlCt MAvg |
| IGBDE08u | 01-May-21 | 92 | 98 | Col Gas Appal FDt DlCt MAvg |
| IGBDI06w | 01-Apr-21 | 11 | 13 | TX East M-1 30-in FDt Midpt MAvg |
| IGBDI06w | 01-Mar-21 | 13 | 26 | TX East M-1 30-in FDt Midpt MAvg |
| IGBDI06w | 01-May-21 | 6 | 11 | TX East M-1 30-in FDt Midpt MAvg |
| IGBDI08u | 01-Apr-21 | 3 | 4 | TX East M-1 30-in FDt DlCt MAvg |
| IGBDI08u | 01-Mar-21 | 4 | 6 | TX East M-1 30-in FDt DlCt MAvg |
| IGBDI08u | 01-May-21 | 1 | 3 | TX East M-1 30-in FDt DlCt MAvg |
| IGBDJ06w | 01-Apr-21 | 727 | 647 | Transco Zn4 FDt Midpoint MAvg |
| IGBDJ06w | 01-Mar-21 | 647 | 1267 | Transco Zn4 FDt Midpoint MAvg |
| IGBDJ06w | 01-May-21 | 714 | 727 | Transco Zn4 FDt Midpoint MAvg |
| IGBDJ08u | 01-Apr-21 | 109 | 108 | Transco Zone 4 FDt DlCt MAvg |
| IGBDJ08u | 01-Mar-21 | 108 | 221 | Transco Zone 4 FDt DlCt MAvg |
| IGBDJ08u | 01-May-21 | 114 | 109 | Transco Zone 4 FDt DlCt MAvg |
| IGBDK06w | 01-Apr-21 | 34 | 4 | Algonquin Rcpts FDt Midpt MAvg |
| IGBDK06w | 01-Mar-21 | 4 | 21 | Algonquin Rcpts FDt Midpt MAvg |
| IGBDK06w | 01-May-21 | 26 | 34 | Algonquin Rcpts FDt Midpt MAvg |
| IGBDK08u | 01-Apr-21 | 7 | 1 | Algonquin receipts FDt DlCt MAvg |
| IGBDK08u | 01-Mar-21 | 1 | 5 | Algonquin receipts FDt DlCt MAvg |
| IGBDK08u | 01-May-21 | 4 | 7 | Algonquin receipts FDt DlCt MAvg |
| IGBDL06w | 01-Apr-21 | 504 | 599 | SoCal Gas FDt Midpoint MAvg |
| IGBDL06w | 01-Mar-21 | 599 | 394 | SoCal Gas FDt Midpoint MAvg |
| IGBDL06w | 01-May-21 | 460 | 504 | SoCal Gas FDt Midpoint MAvg |
| IGBDL08u | 01-Apr-21 | 89 | 121 | SoCal Gas FDt DlCt MAvg |
| IGBDL08u | 01-Mar-21 | 121 | 82 | SoCal Gas FDt DlCt MAvg |
| IGBDL08u | 01-May-21 | 84 | 89 | SoCal Gas FDt DlCt MAvg |
| IGBDM06w | 01-Apr-21 | 74 | 106 | PG&E South FDt Midpoint MAvg |
| IGBDM06w | 01-Mar-21 | 106 | 177 | PG&E South FDt Midpoint MAvg |
| IGBDM06w | 01-May-21 | 102 | 74 | PG&E South FDt Midpoint MAvg |
| IGBDM08u | 01-Apr-21 | 20 | 27 | PG&E South FDt DlCt MAvg |
| IGBDM08u | 01-Mar-21 | 27 | 31 | PG&E South FDt DlCt MAvg |
| IGBDM08u | 01-May-21 | 30 | 20 | PG&E South FDt DlCt MAvg |
| IGBDO06w | 01-Apr-21 | 275 | 366 | PG&E Malin FDt Midpoint MAvg |
| IGBDO06w | 01-Mar-21 | 366 | 458 | PG&E Malin FDt Midpoint MAvg |
| IGBDO06w | 01-May-21 | 215 | 275 | PG&E Malin FDt Midpoint MAvg |
| IGBDO08u | 01-Apr-21 | 62 | 79 | PG&E Malin FDt DlCt MAvg |
| IGBDO08u | 01-Mar-21 | 79 | 101 | PG&E Malin FDt DlCt MAvg |
| IGBDO08u | 01-May-21 | 48 | 62 | PG&E Malin FDt DlCt MAvg |
| IGBDP06w | 01-Apr-21 | 761 | 591 | Alliance Interstates FDt MidMAvg |
| IGBDP06w | 01-Mar-21 | 591 | 887 | Alliance Interstates FDt MidMAvg |
| IGBDP06w | 01-May-21 | 441 | 761 | Alliance Interstates FDt MidMAvg |
| IGBDP08u | 01-Apr-21 | 108 | 85 | Alliance into interstates FDt Dl |
| IGBDP08u | 01-Mar-21 | 85 | 133 | Alliance into interstates FDt Dl |
| IGBDP08u | 01-May-21 | 66 | 108 | Alliance into interstates FDt Dl |
| IGBDQ06w | 01-Apr-21 | 8 | 3 | ANR ML 7 FDt Midpoint MAvg |
| IGBDQ06w | 01-Mar-21 | 3 | 10 | ANR ML 7 FDt Midpoint MAvg |
| IGBDQ06w | 01-May-21 | 14 | 8 | ANR ML 7 FDt Midpoint MAvg |
| IGBDQ08u | 01-May-21 | 1 | 2 | ANR ML 7 FDt DlCt MAvg |
| IGBDR06w | 01-Apr-21 | 97 | 99 | NGPL Amarillo FDt Midpoint MAvg |
| IGBDR06w | 01-Mar-21 | 99 | 121 | NGPL Amarillo FDt Midpoint MAvg |
| IGBDR06w | 01-May-21 | 91 | 97 | NGPL Amarillo FDt Midpoint MAvg |
| IGBDR08u | 01-Apr-21 | 18 | 17 | NGPL Amarillo receipt FDt DlCt M |
| IGBDR08u | 01-Mar-21 | 17 | 24 | NGPL Amarillo receipt FDt DlCt M |
| IGBDR08u | 01-May-21 | 16 | 18 | NGPL Amarillo receipt FDt DlCt M |
| IGBDU06w | 01-Apr-21 | 269 | 404 | Northern Ventura FDt Midpt MAvg |
| IGBDU06w | 01-Mar-21 | 404 | 460 | Northern Ventura FDt Midpt MAvg |
| IGBDU06w | 01-May-21 | 204 | 269 | Northern Ventura FDt Midpt MAvg |
| IGBDU08u | 01-Apr-21 | 39 | 57 | Northern Ventura FDt DlCt MAvg |
| IGBDU08u | 01-Mar-21 | 57 | 89 | Northern Ventura FDt DlCt MAvg |
| IGBDU08u | 01-May-21 | 33 | 39 | Northern Ventura FDt DlCt MAvg |
| IGBDV06w | 01-Apr-21 | 112 | 117 | Northern Demarc FDt Midpt MAvg |
| IGBDV06w | 01-Mar-21 | 117 | 318 | Northern Demarc FDt Midpt MAvg |
| IGBDV06w | 01-May-21 | 90 | 112 | Northern Demarc FDt Midpt MAvg |
| IGBDV08u | 01-Apr-21 | 19 | 20 | Northern Demarc FDt DlCt MAvg |
| IGBDV08u | 01-Mar-21 | 20 | 62 | Northern Demarc FDt DlCt MAvg |
| IGBDV08u | 01-May-21 | 18 | 19 | Northern Demarc FDt DlCt MAvg |
| IGBDW06w | 01-Mar-21 | 13 | 8 | Dracut MA FDt Midpoint MAvg |
| IGBDX06w | 01-Apr-21 | 341 | 362 | Chicago CG FDt Midpoint MAvg |
| IGBDX06w | 01-Mar-21 | 362 | 530 | Chicago CG FDt Midpoint MAvg |
| IGBDX06w | 01-May-21 | 401 | 341 | Chicago CG FDt Midpoint MAvg |
| IGBDX08u | 01-Mar-21 | 68 | 97 | Chicago CG FDt DlCt MAvg |
| IGBDX08u | 01-May-21 | 73 | 68 | Chicago CG FDt DlCt MAvg |
| IGBDY06w | 01-Apr-21 | 360 | 185 | Cons Energy CG FDt Midpt MAvg |
| IGBDY06w | 01-Mar-21 | 185 | 212 | Cons Energy CG FDt Midpt MAvg |
| IGBDY06w | 01-May-21 | 299 | 360 | Cons Energy CG FDt Midpt MAvg |
| IGBDY08u | 01-Apr-21 | 56 | 37 | Cons Energy CG FDt DlCt MAvg |
| IGBDY08u | 01-Mar-21 | 37 | 40 | Cons Energy CG FDt DlCt MAvg |
| IGBDY08u | 01-May-21 | 42 | 56 | Cons Energy CG FDt DlCt MAvg |
| IGBDZ06w | 01-Apr-21 | 537 | 473 | Mich Con CG FDt Midpoint MAvg |
| IGBDZ06w | 01-Mar-21 | 473 | 700 | Mich Con CG FDt Midpoint MAvg |
| IGBDZ06w | 01-May-21 | 466 | 537 | Mich Con CG FDt Midpoint MAvg |
| IGBDZ08u | 01-Apr-21 | 81 | 72 | Mich Con CG FDt DlCt MAvg |
| IGBDZ08u | 01-Mar-21 | 72 | 107 | Mich Con CG FDt DlCt MAvg |
| IGBDZ08u | 01-May-21 | 67 | 81 | Mich Con CG FDt DlCt MAvg |
| IGBEB06w | 01-Apr-21 | 591 | 782 | PG&E CG FDt Midpoint MAvg |
| IGBEB06w | 01-Mar-21 | 782 | 896 | PG&E CG FDt Midpoint MAvg |
| IGBEB06w | 01-May-21 | 805 | 591 | PG&E CG FDt Midpoint MAvg |
| IGBEB08u | 01-Apr-21 | 98 | 106 | PG&E CG FDt DlCt MAvg |
| IGBEB08u | 01-Mar-21 | 106 | 123 | PG&E CG FDt DlCt MAvg |
| IGBEB08u | 01-May-21 | 139 | 98 | PG&E CG FDt DlCt MAvg |
| IGBED06w | 01-Apr-21 | 124 | 65 | Florida CG FDt Midpoint MAvg |
| IGBED06w | 01-Mar-21 | 65 | 86 | Florida CG FDt Midpoint MAvg |
| IGBED06w | 01-May-21 | 108 | 124 | Florida CG FDt Midpoint MAvg |
| IGBED08u | 01-Apr-21 | 10 | 6 | Florida CG FDt DlCt MAvg |
| IGBED08u | 01-Mar-21 | 6 | 12 | Florida CG FDt DlCt MAvg |
| IGBED08u | 01-May-21 | 14 | 10 | Florida CG FDt DlCt MAvg |
| IGBEE06w | 01-Apr-21 | 105 | 104 | Algonquin CG FDt Midpoint MAvg |
| IGBEE06w | 01-Mar-21 | 104 | 161 | Algonquin CG FDt Midpoint MAvg |
| IGBEE06w | 01-May-21 | 206 | 105 | Algonquin CG FDt Midpoint MAvg |
| IGBEE08u | 01-Mar-21 | 25 | 40 | Algonquin CG FDt DlCt MAvg |
| IGBEE08u | 01-May-21 | 50 | 25 | Algonquin CG FDt DlCt MAvg |
| IGBEI06w | 01-Apr-21 | 96 | 92 | Tenn Zn6 Dlvd FDt Midpoint MAvg |
| IGBEI06w | 01-May-21 | 101 | 96 | Tenn Zn6 Dlvd FDt Midpoint MAvg |
| IGBEI08u | 01-May-21 | 25 | 23 | Tenn Zn6 Dlvd FDt DlCt MAvg |
| IGBEJ06w | 01-Apr-21 | 76 | 83 | Iroquois Zn2 FDt Midpoint MAvg |
| IGBEJ06w | 01-Mar-21 | 83 | 125 | Iroquois Zn2 FDt Midpoint MAvg |
| IGBEJ06w | 01-May-21 | 96 | 76 | Iroquois Zn2 FDt Midpoint MAvg |
| IGBEJ08u | 01-Apr-21 | 19 | 22 | Iroquois Zn2 FDt DlCt MAvg |
| IGBEJ08u | 01-Mar-21 | 22 | 31 | Iroquois Zn2 FDt DlCt MAvg |
| IGBEJ08u | 01-May-21 | 18 | 19 | Iroquois Zn2 FDt DlCt MAvg |
| IGBEK06w | 01-Apr-21 | 227 | 231 | TX Eastern M-3 FDt Midpoint MAvg |
| IGBEK06w | 01-Mar-21 | 231 | 164 | TX Eastern M-3 FDt Midpoint MAvg |
| IGBEK06w | 01-May-21 | 210 | 227 | TX Eastern M-3 FDt Midpoint MAvg |
| IGBEK08u | 01-Apr-21 | 47 | 52 | TX Eastern M-3 FDt DlCt MAvg |
| IGBEK08u | 01-Mar-21 | 52 | 38 | TX Eastern M-3 FDt DlCt MAvg |
| IGBEK08u | 01-May-21 | 50 | 47 | TX Eastern M-3 FDt DlCt MAvg |
| IGBEL06w | 01-Apr-21 | 238 | 233 | Transco Zn6 non-N.Y. FDt Midpt M |
| IGBEL06w | 01-Mar-21 | 233 | 413 | Transco Zn6 non-N.Y. FDt Midpt M |
| IGBEL06w | 01-May-21 | 220 | 238 | Transco Zn6 non-N.Y. FDt Midpt M |
| IGBEL08u | 01-Mar-21 | 59 | 98 | Transco Zn6 non-NY FDt DlCt MAvg |
| IGBEL08u | 01-May-21 | 57 | 59 | Transco Zn6 non-NY FDt DlCt MAvg |
| IGBEM06w | 01-Apr-21 | 62 | 66 | Transco Zn6 NY FDt Midpt MAvg |
| IGBEM06w | 01-Mar-21 | 66 | 82 | Transco Zn6 NY FDt Midpt MAvg |
| IGBEM06w | 01-May-21 | 75 | 62 | Transco Zn6 NY FDt Midpt MAvg |
| IGBEM08u | 01-Apr-21 | 17 | 20 | Transco Zn6 NY FDt DlCt MAvg |
| IGBEM08u | 01-Mar-21 | 20 | 21 | Transco Zn6 NY FDt DlCt MAvg |
| IGBEM08u | 01-May-21 | 20 | 17 | Transco Zn6 NY FDt DlCt MAvg |
| IGBEN06w | 01-Apr-21 | 100 | 175 | Transco Zn5 Dlvd FDt Midpt MAvg |
| IGBEN06w | 01-Mar-21 | 175 | 414 | Transco Zn5 Dlvd FDt Midpt MAvg |
| IGBEN06w | 01-May-21 | 119 | 100 | Transco Zn5 Dlvd FDt Midpt MAvg |
| IGBEN08u | 01-Apr-21 | 23 | 39 | Transco Zn5 Dlv FDt DlCt MAvg |
| IGBEN08u | 01-Mar-21 | 39 | 93 | Transco Zn5 Dlv FDt DlCt MAvg |
| IGBEN08u | 01-May-21 | 24 | 23 | Transco Zn5 Dlv FDt DlCt MAvg |
| IGBES06w | 01-Apr-21 | 366 | 211 | Kern River Dlvd FDt Midpt MAvg |
| IGBES06w | 01-Mar-21 | 211 | 412 | Kern River Dlvd FDt Midpt MAvg |
| IGBES06w | 01-May-21 | 273 | 366 | Kern River Dlvd FDt Midpt MAvg |
| IGBES08u | 01-Apr-21 | 72 | 49 | Kern River delivered FDt DlCt MA |
| IGBES08u | 01-Mar-21 | 49 | 91 | Kern River delivered FDt DlCt MA |
| IGBES08u | 01-May-21 | 57 | 72 | Kern River delivered FDt DlCt MA |
| IGBET06w | 01-Apr-21 | 9 | 10 | TX East M-1 24-in FDt Midpt MAvg |
| IGBET06w | 01-Mar-21 | 10 | 11 | TX East M-1 24-in FDt Midpt MAvg |
| IGBET06w | 01-May-21 | 10 | 9 | TX East M-1 24-in FDt Midpt MAvg |
| IGBET08u | 01-Apr-21 | 2 | 3 | TX Eastern M-1 24-in FDt DlCt MA |
| IGBET08u | 01-Mar-21 | 3 | 4 | TX Eastern M-1 24-in FDt DlCt MA |
| IGBEX06w | 01-Apr-21 | 97 | 78 | Chicago Nicor FDt Midpoint MAvg |
| IGBEX06w | 01-Mar-21 | 78 | 191 | Chicago Nicor FDt Midpoint MAvg |
| IGBEX06w | 01-May-21 | 102 | 97 | Chicago Nicor FDt Midpoint MAvg |
| IGBEX08u | 01-Apr-21 | 18 | 15 | Chicago Nicor FDt DlCt MAvg |
| IGBEX08u | 01-Mar-21 | 15 | 36 | Chicago Nicor FDt DlCt MAvg |
| IGBEX08u | 01-May-21 | 19 | 18 | Chicago Nicor FDt DlCt MAvg |
| IGBFJ06w | 01-Apr-21 | 83 | 86 | Lebanon Hub-Ohio FDt Midpt MAvg |
| IGBFJ06w | 01-Mar-21 | 86 | 158 | Lebanon Hub-Ohio FDt Midpt MAvg |
| IGBFJ06w | 01-May-21 | 57 | 83 | Lebanon Hub-Ohio FDt Midpt MAvg |
| IGBFJ08u | 01-Mar-21 | 17 | 27 | Lebanon Hub-Ohio FDt DlCt MAvg |
| IGBFJ08u | 01-May-21 | 14 | 17 | Lebanon Hub-Ohio FDt DlCt MAvg |
| IGBFL06w | 01-Apr-21 | 167 | 124 | Tennessee zone 4-300 leg FDt Mid |
| IGBFL06w | 01-Mar-21 | 124 | 78 | Tennessee zone 4-300 leg FDt Mid |
| IGBFL06w | 01-May-21 | 162 | 167 | Tennessee zone 4-300 leg FDt Mid |
| IGBFL08u | 01-Apr-21 | 39 | 31 | Tennessee Zone 4-300 leg FDt DlC |
| IGBFL08u | 01-Mar-21 | 31 | 19 | Tennessee Zone 4-300 leg FDt DlC |
| IGBFR06w | 01-Apr-21 | 29 | 50 | El Paso SMainline FDt Midpt MAvg |
| IGBFR06w | 01-Mar-21 | 50 | 65 | El Paso SMainline FDt Midpt MAvg |
| IGBFR06w | 01-May-21 | 124 | 29 | El Paso SMainline FDt Midpt MAvg |
| IGBFR08u | 01-Apr-21 | 6 | 10 | El Paso S Mainline FDt DlCt MAvg |
| IGBFR08u | 01-Mar-21 | 10 | 13 | El Paso S Mainline FDt DlCt MAvg |
| IGBFR08u | 01-May-21 | 25 | 6 | El Paso S Mainline FDt DlCt MAvg |
| IGBFX06w | 01-Apr-21 | 180 | 202 | Chicago NIPSCO FDt Midpoint MAvg |
| IGBFX06w | 01-Mar-21 | 202 | 213 | Chicago NIPSCO FDt Midpoint MAvg |
| IGBFX06w | 01-May-21 | 195 | 180 | Chicago NIPSCO FDt Midpoint MAvg |
| IGBFX08u | 01-Apr-21 | 34 | 33 | Chicago NIPSCO FDt DlCt MAvg |
| IGBFX08u | 01-Mar-21 | 33 | 40 | Chicago NIPSCO FDt DlCt MAvg |
| IGBFX08u | 01-May-21 | 35 | 34 | Chicago NIPSCO FDt DlCt MAvg |
| IGBGF06w | 01-Apr-21 | 87 | 71 | Trunkline Zn 1A FDt Midpt MAvg |
| IGBGF06w | 01-Mar-21 | 71 | 284 | Trunkline Zn 1A FDt Midpt MAvg |
| IGBGF06w | 01-May-21 | 142 | 87 | Trunkline Zn 1A FDt Midpt MAvg |
| IGBGF08u | 01-Apr-21 | 19 | 18 | Trunkline Zn 1A FDt DlCt MAvg |
| IGBGF08u | 01-Mar-21 | 18 | 52 | Trunkline Zn 1A FDt DlCt MAvg |
| IGBGF08u | 01-May-21 | 25 | 19 | Trunkline Zn 1A FDt DlCt MAvg |
| IGBGG06w | 01-Apr-21 | 181 | 277 | SoCal Gas CG FDt Midpt MAvg |
| IGBGG06w | 01-Mar-21 | 277 | 338 | SoCal Gas CG FDt Midpt MAvg |
| IGBGG06w | 01-May-21 | 179 | 181 | SoCal Gas CG FDt Midpt MAvg |
| IGBGG08u | 01-Apr-21 | 40 | 57 | SoCal Gas CG FDt DlCt MAvg |
| IGBGG08u | 01-Mar-21 | 57 | 81 | SoCal Gas CG FDt DlCt MAvg |
| IGBGG08u | 01-May-21 | 49 | 40 | SoCal Gas CG FDt DlCt MAvg |
| IGBGH06w | 01-Apr-21 | 89 | 127 | No Border VentTP FDt Midpt MAvg |
| IGBGH06w | 01-Mar-21 | 127 | 190 | No Border VentTP FDt Midpt MAvg |
| IGBGH06w | 01-May-21 | 86 | 89 | No Border VentTP FDt Midpt MAvg |
| IGBGH08u | 01-Apr-21 | 13 | 20 | Northern Border Ventura TP FDt D |
| IGBGH08u | 01-Mar-21 | 20 | 45 | Northern Border Ventura TP FDt D |
| IGBGH08u | 01-May-21 | 14 | 13 | Northern Border Ventura TP FDt D |
| IGBGK06w | 01-Apr-21 | 73 | 60 | Transwestern-SJ FDt Midpt MAvg |
| IGBGK06w | 01-Mar-21 | 60 | 97 | Transwestern-SJ FDt Midpt MAvg |
| IGBGK06w | 01-May-21 | 70 | 73 | Transwestern-SJ FDt Midpt MAvg |
| IGBGK08u | 01-Apr-21 | 14 | 11 | Transwestern-SJ FDt DlCt MAvg |
| IGBGK08u | 01-Mar-21 | 11 | 21 | Transwestern-SJ FDt DlCt MAvg |
| IGBGK08u | 01-May-21 | 13 | 14 | Transwestern-SJ FDt DlCt MAvg |
| IGBGL06w | 01-Mar-21 | 169 | 306 | White River Hub FDt Midpt MAvg |
| IGBGL06w | 01-May-21 | 189 | 169 | White River Hub FDt Midpt MAvg |
| IGBGL08u | 01-Apr-21 | 33 | 34 | White River Hub FDt DlCt MAvg |
| IGBGL08u | 01-Mar-21 | 34 | 56 | White River Hub FDt DlCt MAvg |
| IGBGL08u | 01-May-21 | 40 | 33 | White River Hub FDt DlCt MAvg |
| IGBGX06w | 01-Apr-21 | 63 | 83 | Chicago Peoples FDt Midpoint MAv |
| IGBGX06w | 01-Mar-21 | 83 | 125 | Chicago Peoples FDt Midpoint MAv |
| IGBGX06w | 01-May-21 | 105 | 63 | Chicago Peoples FDt Midpoint MAv |
| IGBGX08u | 01-Apr-21 | 14 | 20 | Chicago Peoples FDt DlCt MAvg |
| IGBGX08u | 01-Mar-21 | 20 | 21 | Chicago Peoples FDt DlCt MAvg |
| IGBGX08u | 01-May-21 | 19 | 14 | Chicago Peoples FDt DlCt MAvg |
| IGBHI06w | 01-Apr-21 | 161 | 138 | Tennessee Zone 1 FDt Midpt MAvg |
| IGBHI06w | 01-Mar-21 | 138 | 386 | Tennessee Zone 1 FDt Midpt MAvg |
| IGBHI06w | 01-May-21 | 147 | 161 | Tennessee Zone 1 FDt Midpt MAvg |
| IGBHI08u | 01-Apr-21 | 31 | 26 | Tennessee Zone 1 FDt DlCt MAvg |
| IGBHI08u | 01-Mar-21 | 26 | 68 | Tennessee Zone 1 FDt DlCt MAvg |
| IGBHI08u | 01-May-21 | 28 | 31 | Tennessee Zone 1 FDt DlCt MAvg |
| IGBIS06w | 01-Apr-21 | 136 | 122 | Transco Leidy Line receipts FDt |
| IGBIS06w | 01-Mar-21 | 122 | 106 | Transco Leidy Line receipts FDt |
| IGBIS06w | 01-May-21 | 116 | 136 | Transco Leidy Line receipts FDt |
| IGBIS08u | 01-Mar-21 | 36 | 31 | Transco Leidy Line receipts FDt |
| IGBIS08u | 01-May-21 | 33 | 36 | Transco Leidy Line receipts FDt |
| IGBIW06w | 01-Apr-21 | 90 | 22 | Millennium East receipts FDt Mid |
| IGBIW06w | 01-Mar-21 | 22 | 34 | Millennium East receipts FDt Mid |
| IGBIW06w | 01-May-21 | 58 | 90 | Millennium East receipts FDt Mid |
| IGBIW08u | 01-Apr-21 | 24 | 8 | Millennium East receipts FDt DlC |
| IGBIW08u | 01-Mar-21 | 8 | 10 | Millennium East receipts FDt DlC |
| IGBIW08u | 01-May-21 | 17 | 24 | Millennium East receipts FDt DlC |
| IGBJE06w | 01-Apr-21 | 545 | 399 | Texas Eastern zone M-2 receipts |
| IGBJE06w | 01-Mar-21 | 399 | 713 | Texas Eastern zone M-2 receipts |
| IGBJE06w | 01-May-21 | 436 | 545 | Texas Eastern zone M-2 receipts |
| IGBJE08u | 01-Apr-21 | 101 | 80 | Texas Eastern M-2 receipts FDt D |
| IGBJE08u | 01-Mar-21 | 80 | 134 | Texas Eastern M-2 receipts FDt D |
| IGBJE08u | 01-May-21 | 89 | 101 | Texas Eastern M-2 receipts FDt D |
| IGBJN06w | 01-Apr-21 | 153 | 95 | Tennessee Gas Pipeline Zone 4-20 |
| IGBJN06w | 01-Mar-21 | 95 | 272 | Tennessee Gas Pipeline Zone 4-20 |
| IGBJN06w | 01-May-21 | 91 | 153 | Tennessee Gas Pipeline Zone 4-20 |
| IGBJN08u | 01-Apr-21 | 32 | 21 | Tennessee Gas Pipeline Zone 4-20 |
| IGBJN08u | 01-Mar-21 | 21 | 55 | Tennessee Gas Pipeline Zone 4-20 |
| IGBJN08u | 01-May-21 | 22 | 32 | Tennessee Gas Pipeline Zone 4-20 |
| IGBJS06w | 01-Apr-21 | 237 | 232 | Transco Zone 6 Non-NY North FDt |
| IGBJS06w | 01-Mar-21 | 232 | 413 | Transco Zone 6 Non-NY North FDt |
| IGBJS06w | 01-May-21 | 219 | 237 | Transco Zone 6 Non-NY North FDt |
| IGBJS08u | 01-Apr-21 | 59 | 58 | Transco Zone 6 Non-NY North FDt |
| IGBJS08u | 01-Mar-21 | 58 | 98 | Transco Zone 6 Non-NY North FDt |
| IGBJS08u | 01-May-21 | 57 | 59 | Transco Zone 6 Non-NY North FDt |
| IGBRO06w | 01-Apr-21 | 550 | 400 | REX Zone 3 delivered FDt Midpoin |
| IGBRO06w | 01-Mar-21 | 400 | 822 | REX Zone 3 delivered FDt Midpoin |
| IGBRO06w | 01-May-21 | 456 | 550 | REX Zone 3 delivered FDt Midpoin |
| IGBRO08u | 01-Apr-21 | 87 | 65 | REX Zone 3 delivered FDt DlCt MA |
| IGBRO08u | 01-Mar-21 | 65 | 125 | REX Zone 3 delivered FDt DlCt MA |
| IGBRO08u | 01-May-21 | 83 | 87 | REX Zone 3 delivered FDt DlCt MA |
| IGBRP06w | 01-Apr-21 | 35 | 44 | Iroquois zone 1 (delivered excl. |
| IGBRP06w | 01-Mar-21 | 44 | 51 | Iroquois zone 1 (delivered excl. |
| IGBRP06w | 01-May-21 | 1 | 35 | Iroquois zone 1 (delivered excl. |
| IGBRP08u | 01-Apr-21 | 12 | 9 | Iroquois zone 1 (delivered excl. |
| IGBRP08u | 01-Mar-21 | 9 | 11 | Iroquois zone 1 (delivered excl. |
| IGBRP08u | 01-May-21 | 2 | 12 | Iroquois zone 1 (delivered excl. |
| IGBRQ06w | 01-Apr-21 | 25 | 46 | Tennessee zone 5-200 leg deliver |
| IGBRQ06w | 01-Mar-21 | 46 | 95 | Tennessee zone 5-200 leg deliver |
| IGBRQ06w | 01-May-21 | 22 | 25 | Tennessee zone 5-200 leg deliver |
| IGBRQ08u | 01-Apr-21 | 4 | 5 | Tennessee zone 5-200 leg FDt DlC |
| IGBRQ08u | 01-Mar-21 | 5 | 14 | Tennessee zone 5-200 leg FDt DlC |
| IGBRR06w | 01-Apr-21 | 26 | 27 | Tennessee Zone 6 delivered North |
| IGBRR06w | 01-Mar-21 | 27 | 25 | Tennessee Zone 6 delivered North |
| IGBRR06w | 01-May-21 | 25 | 26 | Tennessee Zone 6 delivered North |
| IGBRR08u | 01-Apr-21 | 6 | 7 | Tenn Zone 6 delivered North FDt |
| IGBRR08u | 01-May-21 | 8 | 6 | Tenn Zone 6 delivered North FDt |
| IGBRS06w | 01-Apr-21 | 71 | 66 | Tennessee Zone 6 delivered South |
| IGBRS06w | 01-Mar-21 | 66 | 69 | Tennessee Zone 6 delivered South |
| IGBRS06w | 01-May-21 | 77 | 71 | Tennessee Zone 6 delivered South |
| IGBRS08u | 01-Mar-21 | 17 | 16 | Tenn Zone 6 delivered South FDt |
| IGBRT06w | 01-Apr-21 | 523 | 554 | El Paso West Texas FDt Midpoint |
| IGBRT06w | 01-Mar-21 | 554 | 897 | El Paso West Texas FDt Midpoint |
| IGBRT06w | 01-May-21 | 475 | 523 | El Paso West Texas FDt Midpoint |
| IGBRT08u | 01-Apr-21 | 97 | 92 | El Paso West Texas FDt DlCt MAvg |
| IGBRT08u | 01-Mar-21 | 92 | 143 | El Paso West Texas FDt DlCt MAvg |
| IGBRT08u | 01-May-21 | 90 | 97 | El Paso West Texas FDt DlCt MAvg |
| IGBRU06w | 01-Apr-21 | 131 | 154 | Pine Prairie Hub FDt Midpt MAvg |
| IGBRU06w | 01-Mar-21 | 154 | 395 | Pine Prairie Hub FDt Midpt MAvg |
| IGBRU06w | 01-May-21 | 140 | 131 | Pine Prairie Hub FDt Midpt MAvg |
| IGBRU08u | 01-Mar-21 | 21 | 52 | Pine Prairie Hub FDt DlCt MAvg |
| IGBRU08u | 01-May-21 | 19 | 21 | Pine Prairie Hub FDt DlCt MAvg |
| IGBRV06w | 01-Apr-21 | 109 | 77 | Rover delivered FDt Midpt MAvg |
| IGBRV06w | 01-Mar-21 | 77 | 261 | Rover delivered FDt Midpt MAvg |
| IGBRV06w | 01-May-21 | 64 | 109 | Rover delivered FDt Midpt MAvg |
| IGBRV08u | 01-Apr-21 | 19 | 15 | Rover delivered FDt DlCt MAvg |
| IGBRV08u | 01-Mar-21 | 15 | 51 | Rover delivered FDt DlCt MAvg |
| IGBRV08u | 01-May-21 | 15 | 19 | Rover delivered FDt DlCt MAvg |
| IGBRW06w | 01-Apr-21 | 58 | 28 | Northwest Rocky Mountain Pool FD |
| IGBRW06w | 01-Mar-21 | 28 | 74 | Northwest Rocky Mountain Pool FD |
| IGBRW06w | 01-May-21 | 73 | 58 | Northwest Rocky Mountain Pool FD |
| IGBRW08u | 01-Apr-21 | 13 | 7 | Northwest Rocky Mountain Pool FD |
| IGBRW08u | 01-Mar-21 | 7 | 12 | Northwest Rocky Mountain Pool FD |
| IGBRW08u | 01-May-21 | 14 | 13 | Northwest Rocky Mountain Pool FD |
| IGCFL06w | 01-Apr-21 | 70 | 63 | Tennessee Zone 4-313 Pool FDt Mi |
| IGCFL06w | 01-Mar-21 | 63 | 62 | Tennessee Zone 4-313 Pool FDt Mi |
| IGCFL06w | 01-May-21 | 89 | 70 | Tennessee Zone 4-313 Pool FDt Mi |
| IGCFL08u | 01-Apr-21 | 17 | 19 | Tenn Zone 4-313 Pool FDt DlCt MA |
| IGCFL08u | 01-Mar-21 | 19 | 20 | Tenn Zone 4-313 Pool FDt DlCt MA |
| IGCFL08u | 01-May-21 | 27 | 17 | Tenn Zone 4-313 Pool FDt DlCt MA |
| IGCGL06w | 01-Apr-21 | 7 | 9 | Transco Zone 5 North FDt Midpoin |
| IGCGL06w | 01-Mar-21 | 9 | 22 | Transco Zone 5 North FDt Midpoin |
| IGCGL06w | 01-May-21 | 8 | 7 | Transco Zone 5 North FDt Midpoin |
| IGCGL08u | 01-Mar-21 | 3 | 7 | Transco Zone 5 delivered North F |
| IGCHL06w | 01-Apr-21 | 93 | 167 | Transco Zone 5 South FDt Midpoin |
| IGCHL06w | 01-Mar-21 | 167 | 392 | Transco Zone 5 South FDt Midpoin |
| IGCHL06w | 01-May-21 | 111 | 93 | Transco Zone 5 South FDt Midpoin |
| IGCHL08u | 01-Apr-21 | 20 | 35 | Transco Zone 5 delivered South F |
| IGCHL08u | 01-Mar-21 | 35 | 87 | Transco Zone 5 delivered South F |
| IGCHL08u | 01-May-21 | 21 | 20 | Transco Zone 5 delivered South F |
| NMNG000w | 30-Jun-21 | 434787 | 435657 | NYMEX Natural Gas Contract Total |
| PIBDE36h | 29-Jun-21 | -.56 | -.55 | Col Gas Appal Prelim Cumulative |
| PKBDE36u | 29-Jun-21 | 64 | 66 | ColGas Appal Prelim Cumulative B |