haylaavo
ATM IV
35.6%
HV 20d
30.3%
HV 30d
27.0%
IV percentile
99
IV rank
89
Implied vs historical volatility
ATM IVHV 20d
14.7%25.8%37.0%29 Sept 2517 Apr 2602 Nov 26ATM IV 35.58%HV 20d 30.29%
Put-call ratio (open interest)
0.40.81.229 Sept 2517 Apr 2602 Nov 26PCR 0.57

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.