quantlib.termstructures.volatility.swaption.sabr\_swaption\_volatility\_cube.SabrSwaptionVolatilityCube.time\_from\_reference ============================================================================================================================= .. currentmodule:: quantlib.termstructures.volatility.swaption.sabr_swaption_volatility_cube .. automethod:: SabrSwaptionVolatilityCube.time_from_reference