feature,importance
delta,0.3552126
implied_volatility,0.1329813
gamma,0.12158539
strike,0.082717635
open_interest,0.05824863
vega,0.054474305
theta,0.04746337
tte_days,0.039709378
rho,0.035451926
log_moneyness,0.031234324
volume,0.022111082
type_enc,0.018809889