Put-Call Ratio (Open Interest) (180-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.

SLM Corporation (SLM) had 180-Day Put-Call Ratio (Open Interest) of 0.3558 for 2026-09-04.

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Figures for 2026-09-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3214
Historical Volatility (Parkinson)	0.3355
Implied Volatility (Calls)	0.3571
Implied Volatility (Puts)	0.3610
Implied Volatility (Mean)	0.3590
Put-Call Implied Volatility Ratio	1.0112
Implied Volatility Skew	0.0473
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.3558