The Securities and Exchange Board of India is considering newguidelines on high-frequency trading amid allegations of collusion between a high-frequencytrading firm and National Stock Exchange of India Ltd., Bloomberg News reportedMay 5.

The securities regulator is discussing the possibility of guidelinesfor algorithmic trading with international experts and regulators, said SEBI ChairmanU.K. Sinha. The chairman did not disclose a timeline for any new rules, except thattalks with experts are ongoing.

Sinha's comments come amid calls from India's top brokerage associationsfor the regulator to take action on claims of collusion between the NSE and OPGSecurities Pvt., a high-frequency trading firm. A SEBI advisory committee has recommendeda probe into the allegations.