Polymarket promo code TSN: Claim a $20 MLB trading bonus
New users can claim a $20 Polymarket bonus with promo code TSN after placing an initial trade of at least $10. The offer, verified August 4, 2026, applies to MLB prediction markets including Red Sox–White Sox and Nationals–Phillies. Eligible traders must be 18 or older and located in the U.S.
The Sporting News promotion, covered by Yahoo Sports, targets new accounts looking to trade shares ahead of Tuesday’s baseball slate. Parallel referral offers have also circulated across sports media for the same day’s MLB card.
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Key Takeaways
- Promo code TSN grants a $20 bonus after a minimum $10 first trade.
- The offer is for new Polymarket users who are 18+ and present in the U.S.
- Bonus funds can be used on Tuesday MLB markets such as White Sox at Red Sox.
- Cited odds include Boston favored at 55% over Chicago’s 46% win probability.
- Activation requires registration, ID verification, the code, and a $10 trade.
What does the Polymarket promo code TSN include?
According to The Sporting News report, the Polymarket promo code TSN unlocks a $20 trading bonus once a new customer places an initial trade of at least $10. Terms require users to be 18 or older and physically located where Polymarket operates in the United States. The bonus was last verified on August 4, 2026.
Once the account is funded, the credit can be applied across available MLB prediction markets. Coverage specifically highlights matchups such as the Chicago White Sox at the Boston Red Sox and the Washington Nationals at the Philadelphia Phillies.
How do you activate the Polymarket $20 bonus?
Claiming the offer follows a four-step flow described in the source report. First, register with personal details such as name, email, and date of birth. Second, verify your identity with valid identification.
Third, enter promo code TSN during registration. Fourth, place a trade of at least $10 to unlock the $20 bonus. After that trade clears, the promotional funds become available for the MLB slate.
CBS Sports separately reported a parallel new-user path using code CBSSPORTS with the same $20-after-$10 structure for Tuesday’s card, underscoring how widely these Polymarket invite offers are circulating among sports audiences.
Which MLB markets can you trade with the bonus?
Source odds for selected Tuesday games include White Sox at Red Sox with Chicago at 46% and Boston at 55%. Nationals at Phillies show Washington at 29% and Philadelphia at 72%. Dodgers at Cubs list Los Angeles at 66% and Chicago at 35%.
CBS Sports also flagged Yankees and Orioles shares among notable Tuesday Polymarket prices, with New York priced near $0.62 per share at home and Baltimore near $0.55 at Camden Yards. Prediction markets on Polymarket’s U.S. app are described as CFTC-regulated, and participation remains subject to eligibility rules by jurisdiction.