Polymarket invite code SBWIRE grants $50 bonus for World Cup, NBA Finals, UFC and more (June 13)

Polymarket released an invite‑code promotion on June 13. Entering SBWIRE awards a $50 bonus to new users. The bonus covers betting markets for the World Cup. It also applies to the NBA Finals. UFC fight markets are included in the offer. Other event categories are eligible as well. The promotion is reported by Chiefs Wire. Users must comply with Polymarket’s promotional rules.