Credit Spread Models
Model Types
DiffFusion.CoxIngersollRossModel — TypeA Cox-Ingersoll-Ross model with constant parameters.
DiffFusion.cox_ingersoll_ross_model — FunctionCreate a CoxIngersollRossModel.
Create a CoxIngersollRossModel from parameter vector.
Create a CoxIngersollRossModel from scalar parameters.
Model Functions for Simulation
DiffFusion.cir_z0 — FunctionReturn z0 parameter.
DiffFusion.cir_chi — FunctionReturn chi parameter.
DiffFusion.cir_theta — FunctionReturn theta parameter.
DiffFusion.cir_sigma — FunctionReturn sigma parameter.
DiffFusion.cir_moments — FunctionReturn first and second moments E[zt | zs] and Var[zt | zs].
Return first and second moments E[zt | zs] and Var[zt | zs].
DiffFusion.cir_lognormal_approximation — FunctionCalculate lognormal approximation in CIR model.
Calculate lognormal approximation in CIR model.
DiffFusion.func_Theta_Sigma — FunctionCalculate deterministic drift and diffusion component.