Put-Call Ratio (Volume) (120-Day)

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

Alphatec Holdings, Inc. (ATEC) had 120-Day Put-Call Ratio (Volume) of 0.0057 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6460
Historical Volatility (Parkinson)	0.5214
Implied Volatility (Calls)	0.7677
Implied Volatility (Puts)	0.7944
Implied Volatility (Mean)	0.7810
Put-Call Implied Volatility Ratio	1.0348
Implied Volatility Skew	0.3283
Option Statistics
Put-Call Ratio (Volume)	0.0057
Put-Call Ratio (Open Interest)	0.9370