haylaavo
ATM IV
36.7%
HV 20d
37.0%
HV 30d
36.2%
IV percentile
84
IV rank
57
Implied vs historical volatility
ATM IVHV 20d
18.6%39.3%60.1%29 Sept 2517 Apr 2602 Nov 26ATM IV 36.73%HV 20d 36.99%
Put-call ratio (open interest)
0.40.81.129 Sept 2517 Apr 2602 Nov 26PCR 0.78

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.