NIFTY 5023898 0.10%BANKNIFTY57370 0.02%SENSEX76515 0.48%FTSE 10010831 0.00%EURO STOXX 506392.93 0.16%DAX26046 0.17%CAC 408278.77 0.09%NIKKEI 22565021 1.26%KOSPI6687.21 1.64%SSE COMP3930.12 0.30%S&P 5007718.60 0.38%NASDAQ26507 0.29%DOW JONES53414 0.51%Gold4476.60 0.34%Silver66.748 0.34%Crude Oil (WTI)91.480 0.20%Crude Oil (Brent)96.280 0.80%NIFTY 5023898 0.10%BANKNIFTY57370 0.02%SENSEX76515 0.48%FTSE 10010831 0.00%EURO STOXX 506392.93 0.16%DAX26046 0.17%CAC 408278.77 0.09%NIKKEI 22565021 1.26%KOSPI6687.21 1.64%SSE COMP3930.12 0.30%S&P 5007718.60 0.38%NASDAQ26507 0.29%DOW JONES53414 0.51%Gold4476.60 0.34%Silver66.748 0.34%Crude Oil (WTI)91.480 0.20%Crude Oil (Brent)96.280 0.80%
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🇮🇳August 28, 2026

Bankex Put Options Surge 14,700% on Expiry Day

Bankex put options experienced a dramatic 14,700% surge during Thursday's options expiry session, with sharp premium jumps occurring within minutes and impacting options sellers. The unusual spike coincided with broader market declines, with Sensex and Bankex closing lower while Nifty and Bank Nifty posted smaller losses.

Bankex options underwent significant volatility during Thursday's expiry session, according to reports of the trading activity. Multiple put options on the banking index experienced sharp premium jumps within a compressed timeframe, triggering considerable trader reaction. The surge was notably dramatic, with some contracts showing a 14,700% increase. The unusual spike in put option premiums created substantial impact for options sellers who held short positions in these contracts.

Indicative closing levels briefly suggested a steeper decline in the Sensex than what ultimately materialized by session end. The Sensex and Bankex both closed lower on the day, while broader market indices showed relative resilience. Bank Nifty and Nifty posted smaller declines compared to the banking-focused indices, indicating sector-specific pressure. The dramatic options movement highlights the concentrated risk that can emerge during index rebalancing or expiry-day adjustments, particularly when large notional positions unwind in illiquid option strikes. For traders monitoring Indian equity derivatives, such sharp premium moves underscore the importance of managing expiry-day exposures carefully, especially in options contracts with widening bid-ask spreads or reduced liquidity during final trading minutes.

Source: Markets-Economic Times

This article is an editorial summary sourced from third-party news providers and is produced by marketkin.com for informational purposes only. It does not constitute investment advice. Disclaimer