Farokhnia, Kia; Osterrieder, Joerg - 2023
In February 2018, the VIX index has seen its largest ever increase and has lead to significant losses for some major … linear causality in the VIX index and its derivatives during January and February 2018. Due to the shortcomings of … statistical inferences for stochastic volatility models, the dynamics of the volatility expectation index VIX remain controversial …