Value

kappa_v = 1.5-3.0, theta_v = 0.04, sigma_v = 0.3

sourceHeston (1993) calibrations + market-fit literature
derivationdata_calibrated
qualitycalibrated
set2026-05-25
last reviewed2026-05-25
next review due2026-12-31

Notes

Used in M-131 equity options + M-136 vol surface fitting.