As Stats Perform Integrity and Starlizard Integrity Services' 2021 Suspicious Betting Trends in Global Football Report highlights, it is too soon to claim to know the extent of the Premier League's exposure to match fixing—not least, whether the related criminal offences which would almost certainly accompany such an accusation have occurred in any UK fixture.
Both companies preface the data set by underscoring how global betting patterns reported during the pandemic have certain unfortunate flaws—which derive from a significantly smaller number of football matches being played under Covid-19 conditions in 2020.