haylaavo
ATM IV
27.2%
HV 20d
30.0%
HV 30d
31.7%
IV percentile
63
IV rank
39
Implied vs historical volatility
ATM IVHV 20d
14.1%31.8%49.5%29 Sept 2517 Apr 2602 Nov 26ATM IV 27.19%HV 20d 30.01%
Put-call ratio (open interest)
0.50.91.229 Sept 2517 Apr 2602 Nov 26PCR 0.97

As of 02 Nov 2026. ATM IV = mean of call and put IV at the strike nearest the parity forward, nearest expiry with ≥ 7 days left; HV = annualised close-to-close st.dev. (split/bonus ex-dates excluded); IVP = % of sessions in the window with lower IV; IVR = position between the window low and high. Source: NSE F&O bhavcopy + equity/index closes.