[REVISION HISTORY]

India stock market trading hour changes take effect

Updated 1 time since CLSTR started tracking revisions of this situation.

What changed

2026-08-02 12:31 UTC → 2026-08-02 16:36 UTC · added ~~removed~~

In late July ~~2026,~~ 2026 Indian regulators announced that Futures and Options (F&O) contracts would trade until 3:40 p.m., extending the previous 3:30 p.m. ~~deadline. A new~~ deadline, and that a Closing Auction Session (CAS) would ~~determine the official closing price for F&O‑linked stocks, replacing~~ replace the volume‑weighted‑average‑price ~~method. The cash‑market component for those stocks would close at 3:15 p.m., followed by staged order‑entry windows~~ method for the auction. A few days later, the Securities and Exchange Board of India (SEBI) and the National Stock Exchange (NSE) provided additional details. The CAS would run from 3:20 p.m. to 3:30 p.m. in two order‑entry windows, and the auction price would become determining the official ~~close.~~ close of F&O‑linked stocks. The pre‑open session was also revised, with order entry ~~starting at~~ from 9:00 a.m., matching at 9:07 a.m., and regular trading ~~commencing~~ starting at 9:15 ~~a.m. Non‑F&O~~ a.m.; non‑F&O equities would continue to close at 3:30 p.m. Effective 3 August 2026, SEBI implemented the changes. Regular trading for F&O‑eligible stocks ends at 3:15 p.m., followed by a five‑minute transition (3:15‑3:20 p.m.). The CAS runs from 3:20 p.m. to 3:30 p.m. in two order‑entry phases, after which order matching occurs (3:30‑3:35 p.m.) and the auction price becomes the official closing price. The F&O trading window now closes at 3:40 p.m. SEBI said the reforms aim to improve price discovery, ~~market transparency,~~ increase liquidity, reduce tracking errors for passive funds and ~~alignment~~ align India’s market structure with global best practices.

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