of day price dislocation is more likely to be the result of market manipulation on days of option expiry dates and end of …

settlement procedure in Europe are inconsistent with these explanations but consistent with market manipulation. Large transient …

fundamentals and not by manipulation. We also specifically examine the VIX futures expiration days and demonstrate that the VIX …

Manipulation in the VIX settlement can cause significant losses to investors. Analysing high-frequency data, we present … indications of VIX manipulation accelerating since 2017. Deviations have an upward direction and average at around 6%. Specific …