Variance Gamma model
References:
Dilip B. Madan, Peter Carr, Eric C. Chang (1998) "The variance gamma process and option pricing," European Finance Review, 2, 79-105
calibration is not implemented for VG
Calibrate to a set of market instruments (usually caps/swaptions) An additional constraint can be passed which must be satisfied in addition to the constraints of the model.
Variance Gamma model
References:
Dilip B. Madan, Peter Carr, Eric C. Chang (1998) "The variance gamma process and option pricing," European Finance Review, 2, 79-105
calibration is not implemented for VG