haylaavo
ATM IV
26.1%
HV 20d
28.5%
HV 30d
26.7%
IV percentile
33
IV rank
20
Implied vs historical volatility
ATM IVHV 20d
18.1%34.7%51.4%29 Sept 2517 Apr 2602 Nov 26ATM IV 26.06%HV 20d 28.46%
Put-call ratio (open interest)
0.51.01.429 Sept 2517 Apr 2602 Nov 26PCR 0.94

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.