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.

Terrestrial Energy Inc. (IMSR) had 20-Day Put-Call Ratio (Volume) of 0.0212 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	1.4906
Historical Volatility (Parkinson)	0.9909
Implied Volatility (Calls)	0.9278
Implied Volatility (Puts)	1.1410
Implied Volatility (Mean)	1.0344
Put-Call Implied Volatility Ratio	1.2299
Implied Volatility Skew	-0.1222
Option Statistics
Put-Call Ratio (Volume)	0.0212
Put-Call Ratio (Open Interest)	0.3173