$50 Polymarket invite code “OREGON” announced for US Open
oregonlive.com.web.brid.gy
June 18, 2026
The Polymarket invite code OREGON has been upgraded ahead of the 2026 U.S. Open Day 1 on Wednesday, June 17th — new OregonLive.com readers who register now receive a $50 trading bonus on a $20 deposit, unlocking $70 in total funds across golf, soccer, MLB, and every live Polymarket market.
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