Key Changes in Stock Market Timings From August 3: What Investors and Traders Need to Know

India's equity markets introduce Closing Auction Session for F&O stocks from August 3, 2026.

F&O stocks in cash market trade continuously until 3:15 PM, then enter Closing Auction Session until 3:35 PM.

Stock and index derivatives trading extended by 10 minutes to 3:40 PM.

Closing price for F&O stocks determined via auction-based equilibrium price instead of VWAP.

VWAP calculation window for derivatives revised to 3:10 PM–3:40 PM.