Bloomberg
India Options Trading Drops 27% as New Auction Upends Strategies
Wednesday, August 12, 2026
Index-options trading volumes in India declined 27% in the first week after the introduction of a new closing auction mechanism on the NSE and BSE. The mechanism altered how options contracts are settled at market close, requiring traders to adapt their execution strategies. The National Stock Exchange and BSE implemented the change as part of a broader market-structure revision.
