haylaavo
ATM IV
26.8%
HV 20d
27.5%
HV 30d
28.1%
IV percentile
47
IV rank
32
Implied vs historical volatility
ATM IVHV 20d
14.1%31.4%48.7%29 Sept 2517 Apr 2602 Nov 26ATM IV 26.82%HV 20d 27.51%
Put-call ratio (open interest)
0.50.81.029 Sept 2517 Apr 2602 Nov 26PCR 0.71

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.