SPX Options Calibration Heston Model
Calibration Complete
RMSE
0.0023
Implied vol error
Options Fitted
847
Calls & puts
Calibration Time
2.4s
GPU accelerated
Feller Condition
2κθ > σ² satisfied
Implied Volatility Surface
Model Fit
Fit Quality by Maturity
TenorOptionsRMSEMax ErrorStatus
1W890.18%0.42%Good
1M1560.21%0.58%Good
3M2030.19%0.51%Good
6M1870.24%0.67%Good
1Y1340.31%0.89%Good
2Y780.28%0.74%Good