Implied Volatility (Calls) (150-Day)
Implied Volatility (Calls): The forecasted future volatility of the security over the selected time frame, derived from the pricing of the at-the-money call options with the relevant expiration date.
STMicroelectronics NV ADRhedged (STHH) had 150-Day Implied Volatility (Calls) of 0.5043 for 2026-09-02.
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