haylaavo
ATM IV
30.4%
HV 20d
26.3%
HV 30d
27.6%
IV percentile
80
IV rank
48
Implied vs historical volatility
ATM IVHV 20d
15.3%29.3%43.3%29 Sept 2517 Apr 2602 Nov 26ATM IV 30.45%HV 20d 26.29%
Put-call ratio (open interest)
0.30.81.329 Sept 2517 Apr 2602 Nov 26PCR 0.80

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.