
F&O trading extends to 3:40pm from Monday as SEBI rolls out closing auction for F&O stocks, a move designed to reduce tracking errors for passive funds.
India's equity derivatives segment extends its trading day to 3:40pm from Monday, Aug. 3, under a revised schedule from the Securities and Exchange Board of India. The regulator is also introducing a closing auction session for stocks that qualify for futures and options trading.
Regular cash-market trading for F&O-eligible stocks ends at 3:15pm. A transition period runs from 3:15pm to 3:20pm, followed by the closing auction's first order-entry window from 3:20pm to 3:25pm. A second window from 3:25pm to 3:30pm restricts modification or cancellation of market orders, and the session closes randomly within the final two minutes. Order matching happens from 3:30pm to 3:35pm. The price struck in the auction becomes the official closing price for each F&O-eligible stock.
Non-F&O stocks in the cash segment keep their existing close at 3:30pm.
In the F&O segment, trading now continues until 3:40pm – a 10-minute extension. Timings for all other market segments are unchanged.
The pre-open session is also revised. Order entry runs from 9:00am to 9:07am, with matching from 9:07am to 9:15am. Regular trading still starts at 9:15am.
SEBI said the closing auction is designed to improve price discovery and execution efficiency. The regulator also cited the goal of reducing tracking errors for passive funds. The change brings India's closing-price mechanism closer to practices used in other major markets, SEBI said.
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