The biggest night of MLB All-Star Week outside the game itself is finally here. The 2026 T-Mobile Home Run Derby lands at Citizens Bank Park in Philadelphia tonight (8 p.m. ET, streaming on Netflix), and there's no better time to get in on the long-ball action using Home Run Derby prediction market apps. Action Network has rounded up all the best prediction market apps in North America so you can register, claim a bonus, and trade on every swing at the Bank.
Two of the most recognizable Home Run Derby prediction market apps are Kalshi and Polymarket, but they're far from your only options. There's a deep bench of prediction markets built for MLB events like tonight's Derby. Tap the links in the chart below or use the offer modules further down this article to enroll in Home Run Derby prediction market promos and stack hundreds in bonus funds.
| Home Run Derby Prediction Market Apps | Home Run Derby Prediction Market Promos | Sign-Up Link |
|---|---|---|
| Polymarket | Deposit $20, Get $50 Trading Bonus | ACTION |
| FanDuel Predicts | Make Any Trade & Get $25 in Predicts Bonus | Click Here |
| Kalshi | Trade $10, Get $15 | ACTION |
| Novig | Spend $25, Get $50 in Novig Coins | ACTION |
| ProphetX | Trade $10, Get $20 | TANBONUS |
Home Run Derby Odds From Kalshi
Before you lock in a position on Home Run Derby prediction market apps, here's where the market stands on who takes home the crown. The prices below reflect Kalshi's live "Yes" contract cost for each slugger to win the 2026 Home Run Derby.
Odds move fast as money comes in, so check Kalshi for the current market before trading.
| Player (Team) | Kalshi (American) | Implied Win % (≈ ¢) |
|---|---|---|
| Kyle Schwarber (PHI) | +335 | ~23% |
| Junior Caminero (TB) | +567 | ~15% |
| Munetaka Murakami (CHW) | +567 | ~15% |
| Jac Caglianone (KC) | +669 | ~13% |
| Jordan Walker (STL) | +669 | ~13% |
| Bryce Harper (PHI) | +809 | ~11% |
| Ben Rice (NYY) | +809 | ~11% |
| Willson Contreras (BOS) | +2400 | ~4% |
Sign Up Now With the Best Home Run Derby Prediction Market Apps
Trade on tonight's Derby using markets verified by Action Network. Create an account with the Home Run Derby prediction market apps in this article and get in on the marquee event of All-Star Monday:
- 2026 T-Mobile Home Run Derby — 8 p.m. ET, streaming on Netflix (coverage begins 7 p.m. ET) from Citizens Bank Park in Philadelphia, Pennsylvania
- Eight sluggers, three rounds, a new swing-based format (20 swings in Round 1, 15 in the semifinals and final)
- Headlined by Phillies stars Bryce Harper and Kyle Schwarber in front of a home crowd
Polymarket
The first of our Action Network certified Home Run Derby prediction market apps to grab today is Polymarket. Sign up with Polymarket promo code ACTION, fund your new account with a $20 deposit, and unlock $50 in trading bonus funds to put toward the Derby.
| Polymarket Referral Code | States Available | Polymarket Promo Code |
|---|---|---|
| Deposit $20, Get $50 Trading 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, WA, WI, WV, WY | ACTION |
FanDuel Predicts
Cash in on one of the most wallet-friendly Home Run Derby prediction market promos by registering with the FanDuel Predicts promo code today. Place a single $1+ trade on one of the top Home Run Derby prediction market apps and instantly bank $25 in trading credits today.
| FanDuel Predicts Sign-Up Bonus | States Available | FanDuel Predicts Promo Code |
|---|---|---|
| Make Any Trade & Get $25 in Predicts Bonus | AK, AL, CA, DE, FL, GA, HI, ID, MN, ND, NE, NM, OK, RI, SC, SD, TX, UT | Click Here |
Kalshi
Of all the Home Run Derby prediction market apps worth signing up with, none carry the reputation of Kalshi. Register with Kalshi promo codeACTION to claim an upgraded $15 offer. Trade $10 on any Home Run Derby market tonight and Kalshi drops $15 in bonus funds into your account.
| Kalshi Referral Code Offer | States Available | Kalshi Promo Code |
|---|---|---|
| Trade $10, Get $15 | 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, WA, WI, WV, WY | ACTION |
Novig
Use the Action Network Novig promo code ACTION to tap into another one of the top prediction market promos for Derby night. Open an account on one of the premier Home Run Derby prediction market apps in North America, purchase $25, and pocket $50 in Novig Coins right away.
| Novig Promo Code Offer | States Available | Novig Promo Code |
|---|---|---|
| Spend $25, Get $50 in Novig Coins | AK, AR, CA, 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 | ACTION |
ProphetX
Round out your lineup of Home Run Derby prediction market apps by signing up with the new ProphetX promo code TANBONUS. Claim this fresh offer, trade $10 on any Home Run Derby market that catches your eye, and collect an upgraded $20 in trading bonus funds today.
| ProphetX Referral Code | States Available | ProphetX Promo Code |
|---|---|---|
| Trade $10, Get $20 | 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, WA, WV, WI, WY | TANBONUS |
