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.

Range Global Coal Index ETF (COAL) had 150-Day Put-Call Ratio (Volume) of 0.0000 for 2026-09-03.

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Figures for 2026-09-03

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2999
Historical Volatility (Parkinson)	0.2566
Implied Volatility (Calls)	0.3356
Implied Volatility (Puts)	0.4416
Implied Volatility (Mean)	0.3886
Put-Call Implied Volatility Ratio	1.3158
Implied Volatility Skew	0.1408
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0415