haylaavo
ATM IV
33.6%
HV 20d
26.9%
HV 30d
29.7%
IV percentile
91
IV rank
61
Implied vs historical volatility
ATM IVHV 20d
14.3%28.8%43.2%29 Sept 2517 Apr 2602 Nov 26ATM IV 33.62%HV 20d 26.85%
Put-call ratio (open interest)
0.50.81.229 Sept 2517 Apr 2602 Nov 26PCR 0.73

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.