New $20 Polymarket referral code “OREGON” updated for UFC 330

New referral codes offer bonuses for prediction markets. Polymarket users can use code OREGON to skip the waitlist and receive a $20 bonus with a $10 deposit for UFC 330. Meanwhile, Kalshi provides a $25 bonus via codes ALCOM or NJCOM. New Kalshi customers earn this credit by trading $25 on events including UFC 330, the NFL preseason, or specific matchups like the Philadelphia Eagles versus Baltimore Ravens and Cowboys versus Seahawks games.