Put-Call Ratio (Volume) (150-Day)

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

Monolithic Power Systems, Inc. (MPWR) had 150-Day Put-Call Ratio (Volume) of 4.0000 for 2026-05-21.

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Figures for 2026-05-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5031
Historical Volatility (Parkinson)	0.4156
Implied Volatility (Calls)	0.5931
Implied Volatility (Puts)	0.6260
Implied Volatility (Mean)	0.6096
Put-Call Implied Volatility Ratio	1.0554
Implied Volatility Skew	0.0048
Option Statistics
Put-Call Ratio (Volume)	4.0000
Put-Call Ratio (Open Interest)	1.1693