Put-Call Ratio (Open Interest) (120-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.

Tuttle Capital Pure Play Photonics ETF (FOTO) had 120-Day Put-Call Ratio (Open Interest) of 0.3115 for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7098
Historical Volatility (Parkinson)	0.4969
Implied Volatility (Calls)	0.6187
Implied Volatility (Puts)	0.6640
Implied Volatility (Mean)	0.6414
Put-Call Implied Volatility Ratio	1.0732
Implied Volatility Skew	0.0371
Option Statistics
Put-Call Ratio (Volume)	0.0472
Put-Call Ratio (Open Interest)	0.3115