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.

Fastly, Inc. (FSLY) had 20-Day Put-Call Ratio (Volume) of 0.6091 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9761
Historical Volatility (Parkinson)	0.7757
Implied Volatility (Calls)	1.1276
Implied Volatility (Puts)	1.2811
Implied Volatility (Mean)	1.2043
Put-Call Implied Volatility Ratio	1.1362
Implied Volatility Skew	-0.0966
Option Statistics
Put-Call Ratio (Volume)	0.6091
Put-Call Ratio (Open Interest)	1.2024