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.

First Trust NASDAQ Clean Edge Smart Grid Infrastructure ETF (GRID) had 120-Day Put-Call Ratio (Volume) of 3.5870 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2267
Historical Volatility (Parkinson)	0.1592
Implied Volatility (Calls)	0.2337
Implied Volatility (Puts)	0.2370
Implied Volatility (Mean)	0.2354
Put-Call Implied Volatility Ratio	1.0141
Implied Volatility Skew	0.0485
Option Statistics
Put-Call Ratio (Volume)	3.5870
Put-Call Ratio (Open Interest)	0.1918