haylaavo
ATM IV
28.0%
HV 20d
36.1%
HV 30d
34.2%
IV percentile
77
IV rank
60
Implied vs historical volatility
ATM IVHV 20d
9.1%24.2%39.4%29 Sept 2517 Apr 2602 Nov 26ATM IV 27.98%HV 20d 36.10%
Put-call ratio (open interest)
0.40.81.129 Sept 2517 Apr 2602 Nov 26PCR 0.74

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.