Story perspectives

Short-Term Options Drive S&P 500 Volatility Surge

11/17/2025

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Summary

Story summary

Traders focus on short-term volatility, with options expiring in zero to five days now about 60% of S&P 500 Index options activity.
UBS strategists note that one-day-to-expiry iron condors influence market dynamics by suppressing upward moves.
As the S&P 500 nears upper call strikes, market makers hedge aggressively, complicating intraday rallies.
Chris Murphy of Susquehanna International Group says short-dated trades are only one factor shaping market behavior.

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Story summary

Traders focus on short-term volatility, with options expiring in zero to five days now about 60% of S&P 500 Index options activity.
UBS strategists note that one-day-to-expiry iron condors influence market dynamics by suppressing upward moves.
As the S&P 500 nears upper call strikes, market makers hedge aggressively, complicating intraday rallies.
Chris Murphy of Susquehanna International Group says short-dated trades are only one factor shaping market behavior.