Regime switching is a well-known approach to incorporate significant changes in the modelling of financial data, like interest rates and default intensities. In the context of one of the standard pricing models, the CIR model with jumps, we analyse the effect of regime switching on the prices of...

We investigate default probabilities and default correlations of Merton-type credit portfolio models in stress scenarios where a common risk factor is truncated. The analysis is performed in the class of elliptical distributions, a family of light-tailed to heavy-tailed distributions...

The regime switching rough Heston model has two important features on different time scales. The regime switching is motivated by changes in the long term behaviour. The parameter of the model might change over time due to macro-economic reasons. Therefore we introduce a Markov chain to model...