haylaavo
ATM IV
30.4%
HV 20d
26.0%
HV 30d
28.9%
IV percentile
79
IV rank
56
Implied vs historical volatility
ATM IVHV 20d
12.7%33.3%53.8%29 Sept 2517 Apr 2602 Nov 26ATM IV 30.43%HV 20d 25.96%
Put-call ratio (open interest)
0.30.81.429 Sept 2517 Apr 2602 Nov 26PCR 0.95

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.