You're correct. The 100% number came from a video that someone at Citron Capital posted. I can't find the actual video, but it's quoted at https://www.bloomber

You're correct. The 100% number came from a video that someone at Citron Capital posted. I can't find the actual video, but it's quoted at https://www.bloomberg.com/news/articles/2021-01-27/melvin-capital-closes-out-its-gamestop-position-cnbc-reports https://www.bloomberg.com/news/articles/2021-01-27/melvin-ca... However, I'm not sure about Melvin - they may well have lost more than 100%.