haylaavo
ATM IV
30.9%
HV 20d
29.0%
HV 30d
27.2%
IV percentile
81
IV rank
59
Implied vs historical volatility
ATM IVHV 20d
13.2%26.1%39.1%29 Sept 2517 Apr 2602 Nov 26ATM IV 30.88%HV 20d 28.98%
Put-call ratio (open interest)
0.40.71.129 Sept 2517 Apr 2602 Nov 26PCR 1.05

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.