Mumbai, Sept. 23 -- The Securities and Exchange Board of India (Sebi) is considering whether margin requirements for longer-dated derivative contracts can be reduced, as the market regulator looks to encourage greater participation in segments such as stock futures, stock options and longer-tenor contracts.

Sebi is "prepared to look into" issues around margins for longer-dated derivatives, chairman Tuhin Kanta Pandey said on the sidelines of the SBI Banking and Economics Conclave on Thursday, adding that more needs to be done to develop such products.

The comments come against the backdrop of concerns about the concentration of retail activity in index options. Sebi has previously taken several measures aimed at curbing excessive retail...