Put-Call Ratio (Volume) (20-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Shift4 Payments, Inc. (FOUR) had 20-Day Put-Call Ratio (Volume) of 7.0243 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3658
Historical Volatility (Parkinson)	0.4267
Implied Volatility (Calls)	0.8216
Implied Volatility (Puts)	0.8072
Implied Volatility (Mean)	0.8144
Put-Call Implied Volatility Ratio	0.9825
Implied Volatility Skew	-0.0083
Option Statistics
Put-Call Ratio (Volume)	7.0243
Put-Call Ratio (Open Interest)	1.5683