We have a massive Tuesday slate of action ahead, and you can score an exclusive Polymarket promo code for prediction markets, including today’s MLB pennant chases, popular political markets, and prime-time WNBA basketball. Here is how to claim your $20 Polymarket promo offer, markets to watch, and everything you need for Tuesday, August 25th.
Polymarket Promo Code BNATION
Entering the promo code BNATION during registration unlocks your welcome bonus. Funding a new account with a minimum deposit of $10 instantly adds $20 in trading funds to your balance. These credits can be used immediately on Polymarket for any of their numerous markets. While the bonus credits themselves cannot be withdrawn as cash, all profits earned from successful trades convert to your withdrawable balance. Be sure to review the complete terms and conditions on the site for further questions.
How Polymarket Works
Trading prediction contracts on Polymarket offers a dynamic, peer-to-peer alternative to traditional online sportsbooks:
Binary Outcome Contracts: Every market contains yes-or-no questions for real-world events, enabling traders to buy or sell outcome shares based on their expected results. Probability-Driven Pricing: Contracts trade between 1¢ and 99¢ depending on the market volume. A share priced at 60¢ reflects an implied 60% probability of that outcome occurring. $1.00 Settlement Value: When an event is finalized, winning contracts resolve to exactly $1.00 per share, delivering a full cash payout for every correct share held. Dynamic Position Management: Positions do not have to be held until settlement. Traders can buy low and sell high at any point as real-time pricing shifts. CFTC-Regulated Exchange: Operating as a regulated exchange, the platform provides transparent peer-to-peer liquidity and open order books rather than setting traditional house odds.Tuesday Marquee Action & Odds
Tuesday features a loaded schedule featuring baseball, political markets, and WNBA basketball. Below is a quick look at contract prices and probabilities on Polymarket for each.
Major League Baseball (MLB) Markets
*Ron Chenoy-Imagn ImagesMajor League Baseball leads Tuesday’s sports trading volume with a slate featuring the Milwaukee Brewers (81-50) as 60¢ favorites against the New York Mets (59-72). Meanwhile, the Los Angeles Dodgers (80-51) are also trading at 60¢ on the road against the Atlanta Braves (76-55), who are at 41¢ to spoil Tyler Glasnow’s return to the mound.
Polymarket MLB Odds Team Moneyline Spread Total 6:40 PM ET · $44.53K Vol Rays78-53 TB 55¢ TB -1.542¢ O 7.553¢ Tigers61-70 DET 46¢ DET +1.559¢ U 7.548¢ 6:40 PM ET · $39.35K Vol Red Sox72-59 BOS 58¢ BOS -1.545¢ O 7.547¢ Marlins67-65 MIA 43¢ MIA +1.556¢ U 7.554¢ 6:45 PM ET · $23.13K Vol Rockies50-81 COL 42¢ COL +1.561¢ O 8.549¢ Nationals62-71 WSH 59¢ WSH -1.540¢ U 8.552¢ 7:05 PM ET · $27.71K Vol Astros65-66 HOU 43¢ HOU +1.561¢ O 8.552¢ Yankees74-56 NYY 58¢ NYY -1.540¢ U 8.549¢ 7:07 PM ET · $12.63K Vol Royals58-74 KC 46¢ KC +1.564¢ O 8.553¢ Blue Jays64-68 TOR 55¢ TOR -1.537¢ U 8.548¢ 7:10 PM ET · $187.43K Vol Brewers81-50 MIL 60¢ MIL -1.547¢ O 7.548¢ Mets59-72 NYM 41¢ NYM +1.554¢ U 7.553¢ 7:15 PM ET · $87.15K Vol Dodgers80-51 LAD 60¢ LAD -1.546¢ O 8.553¢ Braves76-55 ATL 41¢ ATL +1.555¢ U 8.548¢ 7:40 PM ET · $42.83K Vol Rangers66-66 TEX 51¢ TEX -1.538¢ O 7.546¢ White Sox68-63 CWS 50¢ CWS +1.563¢ U 7.555¢ 7:45 PM ET · $35.03K Vol Orioles63-68 BAL 46¢ BAL +1.563¢ O 8.547¢ Cardinals66-66 STL 55¢ STL -1.538¢ U 8.554¢ 9:38 PM ET · $112.23K Vol Guardians66-66 CLE 59¢ CLE -1.545¢ O 7.545¢ Angels52-80 LAA 42¢ LAA +1.556¢ U 7.556¢ 9:40 PM ET · $112.74K Vol Cubs76-56 CHC 52¢ CHC -1.539¢ O 8.549¢ Diamondbacks69-63 ARI 49¢ ARI +1.562¢ U 8.552¢ 9:40 PM ET · $18.20K Vol Pirates64-69 PIT 47¢ PIT +1.566¢ O 7.546¢ Padres71-61 SD 54¢ SD -1.535¢ U 7.555¢ 9:40 PM ET · $11.66K Vol Phillies73-59 PHI 50¢ PHI -1.538¢ O 7.555¢ Mariners63-69 SEA 51¢ SEA +1.563¢ U 7.546¢ 9:40 PM ET · $10.51K Vol Twins64-68 MIN 59¢ MIN -1.548¢ O 9.554¢ Athletics51-81 OAK 42¢ OAK +1.553¢ U 9.547¢ 9:45 PM ET · $10.27K Vol Reds62-70 CIN 50¢ CIN -1.538¢ O 7.552¢ Giants53-78 SF 51¢ SF +1.563¢ U 7.549¢ Odds via Polymarket & current at time of publicationPolitical Prediction Markets
Political markets drive massive volume on Polymarket as traders can take positions on federal legislation, interest rate policy, mid-term elections, and more. Here are a couple of the more popular current markets:
2026 Midterms Balance of Power ($10M Vol.): Contracts for a “Democrats Sweep” trade at 49¢ (49% probability), while a split legislature featuring a “Republican Senate, Democratic House” sits at 38¢ (38% probability). Federal Reserve September Rate Decision ($52M Vol.): “No change” in interest rates leads at 67¢ (67%), while a 25 bps rate increase trades at 34¢ (34%). Clarity Act (H.R. 3633) Signed Into Law in 2026 ($11M Vol.): Shares predicting the bill becoming law in 2026 trade at 15¢ (15% chance). US Iranian Blockade Resolution ($20M Vol.): Odds for an announcement ending the blockade by December 31 trade at 75¢, while an October 31 resolution trades at 60¢.WNBA Basketball Action
*Mark J. Rebilas-Imagn ImagesThe WNBA has three games on tap for Tuesday evening, and traders are essentially split on who they thing wins these contests:
Polymarket WNBA Odds Team Moneyline Spread Total 7:00 PM ET · $74.47K Vol Sky12-35 CHI 70¢ CHI -6.550¢ O 168.552¢ Sun12-34 CONN 31¢ CONN +6.551¢ U 168.549¢ 8:00 PM ET · $73.99K Vol Fire POR 23¢ POR +8.550¢ O 176.553¢ Wings11-34 DAL 78¢ DAL -8.551¢ U 176.548¢ 10:00 PM ET · $65.05K Vol Mystics16-29 WSH 53¢ WSH -1.550¢ O 167.551¢ Mercury29-20 PHX 48¢ PHX +1.551¢ U 167.550¢ Odds via Polymarket & current at time of publicationPolymarket Promo Code Details & Terms
If you are looking to trade on today’s MLB, political, or WNBA action, this Polymarket bonus provides an excellent way to get started. Keep track of these crucial terms when claiming your offer:
New Users Only: Available exclusively for first-time account sign-ups. Promo Link: BETSPERTS Minimum Deposit: Deposit $10 or more into your account balance. Trading Bonus: Receive a $20 trading bonus to use across all market categories. Bonus Terms: The $20 bonus itself cannot be directly withdrawn, but all realized trading profits are withdrawable. Versatile Markets: Trade your bonus across MLB, WNBA, politics, pop culture, crypto, and finance. Age & Legal Eligibility: Must be 18 years of age or older to participate. Available in eligible U.S. states.18+ Only. Restrictions and eligibility requirements apply. Not available in all jurisdictions. Trading is risky. 100% loss can occur. See polymarket.us/tos for more information. The Polymarket US App serves as an independent software provider and affiliate of Polymarket US and Polymarket Clearing, the CFTC-regulated derivatives exchange and clearing organization. Not available in AZ, IL, MA, MD, MI, MT, NV, and OH.
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