The Polymarket invite code CUSE has been upgraded for MLB coverage through the end of July, arriving just in time for a full Monday slate headlined by Braves vs. Mets on July 27th, 2026. New users who register on Polymarket using the invite code CUSE will receive a $20 trading bonus after making an initial $10 deposit — immediately tripling their starting balance to $30 in trading funds across Polymarket’s full range of prediction markets. ...read more read less