A referral code "OREGONLIVE1" for Kalshi is being promoted with a $10 bonus, although the specific events it applies to are unclear, with various reports mentioning its use for politics odds, sports games, and the MLB Home Run Derby. The code's availability has been reported in relation to different events, including games in the WNBA, World Cup, and McGregor vs. Holloway 2. Meanwhile, a separate referral code "OREGON" for Polymarket is also being promoted with a $50 bonus.