Put-Call Ratio (Open Interest) (20-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.

Talen Energy Corporation (TLN) had 20-Day Put-Call Ratio (Open Interest) of 1.4097 for 2026-10-19.

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Figures for 2026-10-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6997
Historical Volatility (Parkinson)	0.5273
Implied Volatility (Calls)	0.6699
Implied Volatility (Puts)	0.6285
Implied Volatility (Mean)	0.6492
Put-Call Implied Volatility Ratio	0.9382
Implied Volatility Skew	0.0795
Option Statistics
Put-Call Ratio (Volume)	2.8583
Put-Call Ratio (Open Interest)	1.4097