TradeStation vs tastyworks 2020. tastyworks versus TradeStation - compare IRA, trading platforms, commissions, investing fees, account differences, pros and cons. On the positive side, we did like the inclusion of tastytrade, an affiliated educational company. Live … tastytrade You alone are responsible for making your investment and trading decisions and for evaluating the merits and risks associated with the use of tastyworks’ systems, services or products. tastyworks is a wholly owned subsidiary of tastytrade, Inc (“tastytrade”). tastytrade is a …