haylaavo
ATM IV
32.9%
HV 20d
26.0%
HV 30d
27.5%
IV percentile
51
IV rank
34
Implied vs historical volatility
ATM IVHV 20d
18.4%42.9%67.4%29 Sept 2517 Apr 2602 Nov 26ATM IV 32.89%HV 20d 26.02%
Put-call ratio (open interest)
0.40.81.229 Sept 2517 Apr 2602 Nov 26PCR 0.98

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.