Probably worth adding: there's also one that tracks Cramer's bets, and as of today, its performance since inception (both March this year) is (minimally) better than the inverse one:

https://www.marketwatch.com/investing/fund/ljim

However, the long fund is going to be closed, because "Mr. Cramer and CNBC have [...] chosen to ignore the funds, therefore there is no reason to keep the long side going" : https://assets.website-files.com/637240a49ba56f7bfbe82c84/64...

edit: not affiliated in any way with either project, btw