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.

Builders FirstSource, Inc. (BLDR) had 20-Day Put-Call Ratio (Volume) of 12.7206 for 2026-09-17.

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Figures for 2026-09-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4279
Historical Volatility (Parkinson)	0.4313
Implied Volatility (Calls)	0.7184
Implied Volatility (Puts)	0.5880
Implied Volatility (Mean)	0.6532
Put-Call Implied Volatility Ratio	0.8185
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	12.7206
Put-Call Ratio (Open Interest)	1.8787