Put-Call Ratio (Open Interest) (20-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

First Solar, Inc. (FSLR) had 20-Day Put-Call Ratio (Open Interest) of 1.5532 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5749
Historical Volatility (Parkinson)	0.4305
Implied Volatility (Calls)	0.4714
Implied Volatility (Puts)	0.4763
Implied Volatility (Mean)	0.4738
Put-Call Implied Volatility Ratio	1.0102
Implied Volatility Skew	0.0307
Option Statistics
Put-Call Ratio (Volume)	3.8596
Put-Call Ratio (Open Interest)	1.5532