Put-Call Ratio (Volume) (30-Day)

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

Chipmos Technologies (IMOS) had 30-Day Put-Call Ratio (Volume) of 0.8333 for 2026-03-04.

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Figures for 2026-03-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7713
Historical Volatility (Parkinson)	0.4594
Implied Volatility (Calls)	0.6374
Implied Volatility (Puts)	0.7446
Implied Volatility (Mean)	0.6910
Put-Call Implied Volatility Ratio	1.1681
Implied Volatility Skew	0.2623
Option Statistics
Put-Call Ratio (Volume)	0.8333
Put-Call Ratio (Open Interest)	0.0143