haylaavo

BHEL volatility

Option chain · IV across all F&O names
ATM IV
33.8%
HV 20d
48.6%
HV 30d
41.6%
IV percentile
46
IV rank
36
Implied vs historical volatility
ATM IVHV 20d
19.0%37.0%54.9%29 Sept 2517 Apr 2602 Nov 26ATM IV 33.75%HV 20d 48.59%
Put-call ratio (open interest)
0.40.81.229 Sept 2517 Apr 2602 Nov 26PCR 0.50

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.