10/08/2025Can Tom Sosnoff, founder of Tastytrade and Thinkorswim, do it again (but better)? The serial entrepreneur discusses options, wealth management... 10/08/2025Can Tom Sosnoff, founder of Tastytrade and Thinkorswim, do it... Tom Sosnoff, founder of Thinkorswim and Tastytrade, is working on his third new financial platform. "I'm focusing on something that I think is a big problem in the world on wealth inequality and economic fairness," Sosnoff said, discussing his new venture called Lossdog. The platf ...