Polymarket extends new $50 promo code “OREGON” for US Open Final Round

Polymarket is offering new users $50 bonuses through specific promo codes. The code OREGON is extended through the U.S. Open Round 4, providing a $50 bonus on a $20 deposit for $70 in total trading funds. Additionally, the promo code NYPMAX grants a $50 bonus for new accounts, coinciding with WNBA matchups including the Liberty versus the Sparks. Both offers require a minimum $20 deposit to unlock the additional trading funds for users.