The Polymarket invite code OREGON is fully verified and active for Tuesday evening, May 26th, offering an upgraded sign-up package ahead of a massive postseason doubleheader. New users who register on Polymarket using the invite code OREGON will immediately experience a waitlist-free platform and receive a massive $50 trading bonus after making an initial $20 deposit. This promo equips traders with a significant capital boost as the NBA and NHL Western Conference Finals play out, and just hours ahead of a big Mariners game this evening. matchups and the Seattle Mariners take the field in late-night baseball action.

News Source : https://www.oregonlive.com/betting/2026/05/polymarket-invite-code-unlocks-updated-50-bonus-for-sports-betting-odds-this-tuesday.html