Bankex options saw a significant surge during Thursday's expiry session. This unusual spike occurred within minutes, causing considerable trader reaction. Indicative closing levels briefly showed a steeper Sensex decline than expected. Several Bankex put options experienced sharp premium jumps, impacting sellers. The Sensex and Bankex closed lower, while Nifty and Bank Nifty saw smaller declines.

Indian equities fell sharply on Thursday, erasing gains during the first monthly expiry under the new closing auction session. Sensex dropped 539 points, or 0.7%, while Nifty…

The Sensex witnessed a sharp late-session swing of over 2,000 points in six minutes on Thursday, raising fresh questions about the Closing Auction Session (CAS) on its first…

MUMBAI: In the first monthly expiry of derivatives contracts on BSE after the introduction of Closing Auction Session, popularly known as CAS, sensex and Bankex, BSE’s banking…

Bankex options saw a significant surge during Thursday's expiry session. This unusual spike occurred within minutes, causing considerable trader reaction. Indicative closing…

Indias new closing-auction system is triggering extreme volatility in the options market, with prices swinging sharply within minutes. During the first monthly expiry under the…