MBIA Inc. had the greatest decline in short interest relative to shares outstanding among SNL-covered insurance companies between Nov. 15 and Nov. 30.

The company saw short interest fall 291 basis points to 43.38% of shares outstanding at the end of the period. The company also topped the list of most shorted insurance companies during the period.

Radian Group Inc. posted the greatest jump in short interest relative to shares outstanding among SNL-covered insurance companies between Nov. 15 and Nov. 30. The company saw short interest increase 115 basis points to 2.24% of shares outstanding at the end of the period.