Put-Call Ratio (Volume) (180-Day)

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

Miami International Holdings, Inc. (MIAX) had 180-Day Put-Call Ratio (Volume) of 5.0000 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3605
Historical Volatility (Parkinson)	0.3732
Implied Volatility (Calls)	0.4658
Implied Volatility (Puts)	0.4358
Implied Volatility (Mean)	0.4508
Put-Call Implied Volatility Ratio	0.9354
Implied Volatility Skew	0.0391
Option Statistics
Put-Call Ratio (Volume)	5.0000
Put-Call Ratio (Open Interest)	0.6352