Put-Call Ratio (Volume) (30-Day)

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

Duolingo, Inc. (DUOL) had 30-Day Put-Call Ratio (Volume) of 0.8840 for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5460
Historical Volatility (Parkinson)	0.4565
Implied Volatility (Calls)	0.7758
Implied Volatility (Puts)	0.7955
Implied Volatility (Mean)	0.7856
Put-Call Implied Volatility Ratio	1.0253
Implied Volatility Skew	-0.0098
Option Statistics
Put-Call Ratio (Volume)	0.8840
Put-Call Ratio (Open Interest)	0.6800