haylaavo
ATM IV
25.7%
HV 20d
24.6%
HV 30d
32.7%
IV percentile
77
IV rank
41
Implied vs historical volatility
ATM IVHV 20d
8.5%27.8%47.0%29 Sept 2517 Apr 2602 Nov 26ATM IV 25.72%HV 20d 24.63%
Put-call ratio (open interest)
0.41.01.529 Sept 2517 Apr 2602 Nov 26PCR 0.58

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.