Put-Call Implied Volatility Ratio (10-Day)
Put-Call Implied Volatility Ratio: The ratio of implied volatilities of the at-the-money puts to the at-the-money calls.
Sutro Biopharma, Inc. (STRO) had 10-Day Put-Call Implied Volatility Ratio of 0.7906 for 2026-06-05.
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