haylaavo
ATM IV
37.8%
HV 20d
41.1%
HV 30d
40.5%
IV percentile
58
IV rank
43
Implied vs historical volatility
ATM IVHV 20d
18.1%45.8%73.5%29 Sept 2517 Apr 2602 Nov 26ATM IV 37.77%HV 20d 41.15%
Put-call ratio (open interest)
0.40.81.329 Sept 2517 Apr 2602 Nov 26PCR 0.56

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.