US options markets hit record volume following Thursday’s market rout

US options markets recorded their highest trading volume on record following a sharp sell-off in equities on Thursday, according to Investing.com. The surge in activity reflects heightened demand for downside protection and speculative positioning as investors rushed to hedge or reposition in the wake of the rout. Volatility-sensitive instruments, particularly index options on the S&P 500 and related ETFs, are most directly exposed, since elevated options flow can amplify intraday price swings through dealer hedging as market makers adjust their delta exposure. The broader transmission channel runs through risk appetite and liquidity, as stretched options positioning can feed back into cash equity volatility and widen bid-ask spreads. Traders will watch the next CBOE Volatility Index (VIX) reading and weekly options open interest data for signs of whether the volume spike reflects a transient hedging response or a more durable shift in volatility expectations.

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