The MLB prediction market promos stack up fast on Tuesday, and new traders across six platforms claim more than $300 in combined bonuses before first pitch.
The headline matchup sells itself. The Dodgers (80-51) visit Truist Park to face the Braves (76-55) at 7:15 p.m. ET on TBS, a series opener between two of the best teams in the National League that draws heavy volume on every major exchange.
Each offer below takes about five minutes. Sign up, deposit, make a qualifying MLB trade, and the bonus credit lands in your account for Dodgers vs. Braves or any other game on the card. Here is how the best MLB prediction market promos compare for August 25.
| MLB Prediction Markets | MLB Prediction Market Promos | Sign-Up Link |
|---|---|---|
| Polymarket | Deposit $10, Get $20 Trading Bonus | ACTION |
| FanDuel Predicts | Sign Up & Unlock Your Offer | Click Here |
| Kalshi | Trade $25, Get $25 Bonus | ACTION |
| Novig | Deposit $10, Get $25 in Trade Credits | ACTION |
| DraftKings Predictions | Trade $5, Get $200 in Predictions Dollars | Click Here |
| ProphetX | Trade $10, Get $20 Bonus | TANBONUS |
Best MLB Prediction Market Promos for Dodgers vs. Braves Today
Six platforms compete for your first trade tonight, and each one approaches the baseball card differently. Compare the MLB prediction market apps below on bonus size, state availability, and how fast the credit posts, then claim as many of these MLB prediction market promos as your state allows.
1. Polymarket
The Polymarket promo code ACTION offers the simplest entry point on this list. Deposit $10, and Polymarket credits $20 in bonus funds, a 2-to-1 return before you touch a single Dodgers vs. Braves contract.
Polymarket lists two-sided markets on every game plus season-long contracts on the MLB MVP race and division winners. Prices reprice all afternoon, so traders who check the MLB weather report for Atlanta and the posted MLB lineups get an edge on the crowd.
| Polymarket Promo Code | Polymarket Referral Bonus | Polymarket States Available |
|---|---|---|
| Polymarket Promo Code ACTION | Deposit $10, Get $20 in Bonus Funds | AK, AL, AR, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IN, KS, KY, LA, ME, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NY, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY |
2. FanDuel Predicts
The FanDuel Predicts promo code unlocks your welcome offer the moment you register, with no long qualifying period attached.
The interface mirrors the app millions already use, which makes FanDuel Predicts one of the best prediction market apps for anyone trading contracts for the first time. It operates in 18 states, including Texas, Florida, California, and Georgia, so plenty of Braves fans qualify tonight.
| FanDuel Predicts Promo Code | FanDuel Predicts Sign-Up Bonus | FanDuel Predicts States Available |
|---|---|---|
| FanDuel Predicts Promo Code (Click Here) | Sign Up & Unlock Your Offer | AK, AL, CA, DE, FL, GA, HI, ID, MN, ND, NE, NM, OK, RI, SC, SD, TX, UT |
3. Kalshi
The Kalshi promo code ACTION pays the cleanest match on the board for mid-size traders: trade $25, get $25 back as a bonus.
Kalshi is CFTC-regulated and reaches 41 states plus Washington, D.C. Contracts cover every MLB game, along with futures on the World Series and the MLB MVP race, and pricing stays tight deep into the ninth inning.
| Kalshi Promo Code | Kalshi Sign-Up Bonus | Kalshi States Available |
|---|---|---|
| Kalshi Promo Code ACTION | Trade $25, Get $25 Bonus | AK, AL, AR, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IN, KS, KY, LA, ME, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NY, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY |
4. Novig
The Novig promo code ACTION carries the strongest deposit multiplier among these MLB prediction market promos. Add $10, and Novig hands you $25 in trade credits, enough to spread across several games on the Tuesday slate.
Novig runs a peer-to-peer model with no commission on winning trades, which keeps more of the profit in your account. That structure separates it from most MLB prediction market apps and rewards anyone who trades in volume.
| Novig Promo Code | Novig Sign-Up Bonus | Novig States Available |
|---|---|---|
| Novig Promo Code ACTION | Deposit $10, Get $25 in Trade Credits | AK, AR, FL, GA, HI, IL, IN, IA, KS, KY, ME, MA, MN, MO, NE, NH, NC, ND, OH, OK, OR, SC, SD, TX, VT, VA, DC, WI, WY |
5. DraftKings Predictions
The DraftKings Predictions promo code posts the biggest headline number of any offer here. Trade just $5 and collect $200 in Predictions Dollars.
DraftKings Predictions reaches 47 states, one of the widest footprints of any MLB prediction market app. The app displays contract prices next to familiar MLB odds formats, so anyone crossing over from the sportsbook side reads the board right away.
| DraftKings Predictions Promo Code | DraftKings Predictions Sign-Up Bonus | DraftKings Predictions States Available |
|---|---|---|
| DraftKings Predictions Promo Code (Click Here) | Trade $5, Get $200 in Predictions Dollars | AL, AK, AZ, AR, CA, CO, CT, DE, FL, GA, HI, ID, IL, IN, IA, KS, KY, LA, MD, MA, MI, MN, MS, MO, MT, NE, NV, NJ, NM, NY, NC, ND, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WV, WI, WY |
6. ProphetX
The ProphetX promo code TANBONUS closes the list with a straight double: trade $10, get a $20 bonus on top.
ProphetX serves 48 states through a peer-to-peer exchange where users set their own prices, and the platform earns a spot among the best prediction market promos for traders who prefer to name a number rather than accept one. Stack it with the other MLB prediction market promos above, then track every new offer and every MLB market at Action Network.
| ProphetX Promo Code | ProphetX Welcome Offer | ProphetX States Available |
|---|---|---|
| ProphetX Promo Code TANBONUS | Trade $10, Get $20 Bonus | AL, AK, AZ, AR, CA, CO, CT, DE, FL, GA, HI, ID, IL, IN, IA, KS, KY, LA, ME, MD, MA, MI, MN, MS, MO, MT, NE, NH, NJ, NM, NY, NC, ND, OH, OK, OR, PA, RI, SC, SD, TN, TX, UT, VT, VA, WV, WI, WY |
