Polymarket has officially launched the invite code OREGON, providing new users with a $50 trading bonus for Memorial Day, May 25th, 2026. This promotion is designed to enhance user experience by eliminating waitlists and offering immediate access to trading on various sports events, including Major League Baseball (MLB), National Basketball Association (NBA), and National Hockey League (NHL) games. To benefit from this offer, users must register on Polymarket, enter the invite code OREGON, and make a minimum deposit of $20. The bonus funds can be utilized across all active odds on the platform, allowing traders to engage in real-time market predictions. Polymarket operates as a peer-to-peer prediction market, where odds are determined by user trading rather than a traditional sportsbook model. This structure promotes accurate price discovery, making Polymarket a popular choice among sports traders. The invite code OREGON is verified and active, ensuring that users can capitalize on the holiday sports slate without any complications.