Put-Call Ratio (Volume) (90-Day)

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

aTyr Pharma, Inc. (ATYR) had 90-Day Put-Call Ratio (Volume) of 0.0744 for 2026-03-06.

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Figures for 2026-03-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8131
Historical Volatility (Parkinson)	0.8298
Implied Volatility (Calls)	--
Implied Volatility (Puts)	2.5599
Implied Volatility (Mean)	--
Put-Call Implied Volatility Ratio	--
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0744
Put-Call Ratio (Open Interest)	0.1098