Put-Call Ratio (Open Interest) (10-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

First Trust NASDAQ-100-Technology Sector ETF (QTEC) had 10-Day Put-Call Ratio (Open Interest) of 0.1429 for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3524
Historical Volatility (Parkinson)	0.2420
Implied Volatility (Calls)	0.3069
Implied Volatility (Puts)	0.2881
Implied Volatility (Mean)	0.2975
Put-Call Implied Volatility Ratio	0.9388
Implied Volatility Skew	0.1408
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.1429