haylaavo
ATM IV
23.8%
HV 20d
22.4%
HV 30d
20.2%
IV percentile
28
IV rank
17
Implied vs historical volatility
ATM IVHV 20d
14.5%31.6%48.8%29 Sept 2517 Apr 2602 Nov 26ATM IV 23.77%HV 20d 22.37%
Put-call ratio (open interest)
0.40.81.129 Sept 2517 Apr 2602 Nov 26PCR 0.87

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.