One month of CAS: How 4 expiry days turned into a 6,000-point Sensex scare for investors
- Posted on September 6, 2026
- By Business News Today
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- 1 min read
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One month of CAS: How 4 expiry days turned into a 6,000-point Sensex scare for investors
Sebi's latest initiative, the Closing Auction Session, has introduced complexities for Sensex options traders, especially on expiry days. Sharp movements seen during the auction period have caused significant agitation among traders. The newly discovered closing price from this session now governs derivative contracts, intertwining cash market volatility with options values.
