Not something Schumer, Pelosi, or Biden have ever indicated an interest in and not in the platform. Care to place a small $10,000 wager to the charity of the other's choice on that, you seem pretty certain?
I hope you're right ultimately, but he's (Biden) definitely touched on it in the past. That said, I don't believe it was mentioned in his most recent tax plan release.
https://www.cnbc.com/video/2019/12/06/biden-we-should-have-a-financial-transaction-tax.html