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.

Sify Technologies Limited (SIFY) had 20-Day Put-Call Ratio (Open Interest) of 0.7368 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.6330
Historical Volatility (Parkinson)	0.7348
Implied Volatility (Calls)	0.7990
Implied Volatility (Puts)	0.9806
Implied Volatility (Mean)	0.8898
Put-Call Implied Volatility Ratio	1.2273
Implied Volatility Skew	0.2344
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.7368