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India's New Closing Auction Triggers Extreme Options Volatility

August 28, 2026

Source Summary

India's newly implemented closing-auction system, designed to improve end-of-day pricing, is generating extreme price swings in the options market. The mechanism has produced gains and losses of up to 4,000% within 15-minute periods.

Why it matters

The closing-auction system intended to stabilize end-of-day pricing is instead creating extreme volatility that can rapidly erase or generate substantial gains in options trading.

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