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 new system at BSE, a Bankex put option surged nearly 4,000% from Rs 1.70 to Rs 68.55 before crashing to zero, all within 15 minutes, highlighting the risks of compressed end-of-day trading.

India's stock exchange has seen options turnover plummet to its lowest in a year, a direct consequence of newly enforced trading regulations and the adoption of a closing auction…

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…

A sudden 3% plunge in the BSE Sensex during a closing auction raises concerns over liquidity and potential market manipulation.

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…

Indian bank stocks saw sharp NSE-BSE closing price gaps, with IndusInd Bank recording a nearly ₹33 difference amid scrutiny of the new auction system.