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 5.4182 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6125
Historical Volatility (Parkinson)	0.5917
Implied Volatility (Calls)	0.9222
Implied Volatility (Puts)	0.9246
Implied Volatility (Mean)	0.9234
Put-Call Implied Volatility Ratio	1.0027
Implied Volatility Skew	0.0125
Option Statistics
Put-Call Ratio (Volume)	5.4182
Put-Call Ratio (Open Interest)	1.2138