Put-Call Ratio (Open Interest) (30-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.

Fastenal Company (FAST) had 30-Day Put-Call Ratio (Open Interest) of 0.3030 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1943
Historical Volatility (Parkinson)	0.2969
Implied Volatility (Calls)	0.2246
Implied Volatility (Puts)	0.2585
Implied Volatility (Mean)	0.2415
Put-Call Implied Volatility Ratio	1.1513
Implied Volatility Skew	-0.0102
Option Statistics
Put-Call Ratio (Volume)	0.0432
Put-Call Ratio (Open Interest)	0.3030