Twins vs Mariners Prediction Market Odds, August 2, 2026
| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
â–¶Twins | +1.5 63%68% | O 7.5 46%47% | 45%45% | 45% Kalshi |
â–¶Mariners | -1.5 37%32% | U 7.5 54%53% | 56%56% | 56% Kalshi |
| Spread | Total | Moneyline | Best ML | |
|---|---|---|---|---|
â–¶Minnesota Twins | +1.5 | O 7.5 | 45% Kalshi | |
â–¶Seattle Mariners | -1.5 | U 7.5 | 56% Kalshi |
Seattle is the 56c home favorite (56c Kalshi, 56c Polymarket) over Minnesota at 45c in Sunday's series finale at T-Mobile Park, and the price leans on venue rather than form. The Mariners are 54-58 overall but 31-24 at home; the Twins are 56-56 and 26-29 on the road. Both books post the moneyline to the cent, so the cross-platform edge on this game sits in the first-five-innings ladder, not the winner. Minnesota took the opener 5-3 on July 31 and Seattle answered 4-3 on August 1, leaving the rubber game to settle it.
Seattle is the 56c favorite in the Twins vs Mariners finale despite carrying the worse record of the two clubs, and the split that explains the price is geographic. The Mariners are 31-24 at T-Mobile Park and 23-34 away from it. The Twins are 30-27 at home and 26-29 on the road. Take the venue out and this is a coin flip between a 56-56 team and a 54-58 team that sit exactly 3 games back in their respective divisions.
Twins vs Mariners Market Context
Minnesota enters at 56-56, 3 games behind the Chicago White Sox (58-52) in the American League Central. Seattle enters at 54-58, 3 games behind the Houston Astros (57-55) in the American League West. Neither club is out of it and neither is close, which is why the AL West division market and the AL Central division market both still price four live teams. The series is level: Minnesota won the opener 5-3 on July 31, Seattle answered 4-3 on August 1.
The moneyline has Seattle at 56c and Minnesota at 45c, identical on Kalshi and Polymarket. The two sides sum to 101c, so the overround is a single cent and the de-vigged read on Seattle is roughly 55%. That is a textbook home-field number applied to a road team that is the better club on paper, which is the whole disagreement worth trading here.
The run lines widen the gap slightly. Seattle at -1.5 is 37c on both books and Minnesota at -1.5 is 32.5c (32c Kalshi, 33c Polymarket). Those two prices together leave roughly 30c of probability on a one-run game, consistent with the first two results in this series (5-3 and 4-3, both decided inside two runs). The full-game total of 7.5 trades at 48.5c to the over (49c Kalshi, 48c Polymarket), with the 6.5 at 59.5c and the 8.5 at 40c. The ladder implies a fair total a shade under 7.5 runs, a low-scoring expectation appropriate to T-Mobile Park. Team totals agree: Seattle over 3.5 runs is 54c, Minnesota over 3.5 runs is 48c.
On line movement, the board has been essentially static since it opened. Seattle printed 57c on Kalshi in the first captured snapshot and has settled at 56c, with Minnesota drifting the other way from 44c to 45c. That is a one-cent move toward the road team across roughly $5.8K of combined moneyline volume. The line has held rather than moved.
Cross-platform, the winner market offers nothing: both venues agree to the cent on both sides. The divergence lives one layer down. The first-five-innings total of 4.5 is 45c on Kalshi against 43c on Polymarket, the first-five 5.5 is 33c against 31c, and the run-in-the-first-inning contract is 45c on Kalshi against 47c on Polymarket. Buyers of early-inning overs get 2c better on Polymarket; buyers of a first-inning run get 2c better on Kalshi. Those 2c gaps are the widest paired splits anywhere on this board.
Twins vs Mariners Pitching Matchup
Minnesota starts Taj Bradley, 9-4 with a 3.65 ERA. Seattle starts George Kirby, 8-9 with a 3.98 ERA. On raw run prevention the visitor has the better arm, which is the strongest argument that 45c understates the Twins.
The strikeout ladders separate the two more than the ERAs do. Bradley is 80c for 5 or more strikeouts, 66c for 6 or more, 51c for 7 or more, and 34c for 8 or more. Kirby is 68c for 5 or more, 47c for 6 or more, and 32c for 7 or more. At the 6-plus rung the market prices Bradley 19c higher, and the 7-plus rung splits 51c to 32c. If the read on this game is that it stays low-scoring, the Bradley strikeout side is the cleaner expression of it than the Twins moneyline.
On the position-player side, Seattle is led by Randy Arozarena at .283, Dominic Canzone with 18 home runs, and Cole Young with 50 RBI. Julio Rodriguez to record 1 or more hits is 66c, Arozarena 62c, and Cal Raleigh 52c, the last of which is the closest thing to a true coin flip on the props board. Minnesota counters with Luke Keaschall at .260, Kody Clemens with 19 home runs, and Josh Bell with 63 RBI.
When the Twins vs Mariners Market Resolves
First pitch is 4:10 pm ET (1:10 pm PT) on Sunday, August 2, 2026 at T-Mobile Park in Seattle. The moneyline resolves to the winning team once the game is final, with the spread and total settling on the official final score. Contracts settle on Kalshi and Polymarket the same day the game concludes.
Key Twins vs Mariners Catalysts
- Pitching mismatch versus the price: Bradley (9-4, 3.65 ERA) is the better starter by ERA and record, yet Minnesota is the 45c underdog.
- The home split is the whole edge: Seattle is 31-24 at T-Mobile Park and 23-34 on the road, and the 56c price rests on that gap.
- Rubber game: Minnesota won 5-3 on July 31, Seattle won 4-3 on August 1, both inside two runs.
- Flat tape: Seattle opened at 57c and sits at 56c, Minnesota 44c to 45c, so there is no directional signal in the movement.
- Where the books split: first-five overs are 2c cheaper on Polymarket, a first-inning run is 2c cheaper on Kalshi, while the moneyline is identical.
- Low-total environment: the 7.5 over at 48.5c and Seattle team total over 3.5 at 54c both point to a game decided in the 3-to-4 run band.
Related Twins vs Mariners Markets
Both clubs still carry live postseason prices: the Mariners playoff market and the Twins playoff market are the two futures this game moves most directly. For the full season picture, the World Series winner board tracks every club, and the Seattle Mariners team page collects every Mariners contract in one place. The rest of the day's slate is on today's MLB games, and the league-wide market view sits at MLB prediction markets.
Resolution Criteria
The moneyline resolves to the team that wins the game played on Sunday, August 2, 2026 at T-Mobile Park in Seattle, first pitch scheduled for 4:10 pm ET. The winning side pays $1 per share and the losing side resolves to $0. Run line contracts settle against the official final margin, with Seattle -1.5 requiring a Mariners win by 2 or more runs and Minnesota -1.5 requiring a Twins win by 2 or more runs. Total and team-total contracts settle on the official final score including extra innings. First-five-innings markets settle on the score after the top and bottom of the fifth. If the game is suspended and completed on a later date, contracts settle on the completed final score; if the game is postponed or shortened before it becomes official, Kalshi and Polymarket void the affected contracts and return capital per each platform's published rules.
Key Factors
- Taj Bradley (9-4, 3.65 ERA) outranks George Kirby (8-9, 3.98 ERA) on run prevention while Minnesota sits at 45c
- Seattle is 31-24 at T-Mobile Park and 23-34 on the road, the split the 56c home price is built on
- Rubber game of a level series: Minnesota won 5-3 on July 31, Seattle won 4-3 on August 1
- Moneyline has held flat, Seattle 57c to 56c and Minnesota 44c to 45c on about $5.8K of combined volume
- Kalshi and Polymarket are identical on the winner, splitting only 2c on first-five totals and the first-inning run
- Full-game total of 7.5 at 48.5c implies a fair number just under 7.5 runs in a pitcher-friendly park
What are the current Twins vs Mariners odds?
As of August 2, 2026, Seattle is the 56c favorite (56c on Kalshi, 56c on Polymarket) and Minnesota is 45c. The two sides sum to 101c, a one-cent overround.
Who is favored in Twins vs Mariners and by what implied probability?
Seattle is favored at 56c, roughly a 55% implied chance after removing the one-cent overround. That is a standard home-field edge applied despite Seattle being 54-58 against Minnesota's 56-56.
Where does the Twins vs Mariners market trade?
Both Kalshi and Polymarket list the August 2, 2026 game. The two moneyline contracts have taken roughly $5.8K in combined volume, and the two books are priced identically on the winner.
When does the Twins vs Mariners market resolve?
First pitch is 4:10 pm ET on Sunday, August 2, 2026 at T-Mobile Park. The moneyline settles to the winning team once the game goes final, the same day.
What are the Twins vs Mariners spread and total?
Seattle -1.5 is 37c and Minnesota -1.5 is 32.5c. The full-game total of 7.5 trades at 48.5c to the over, with the 6.5 at 59.5c and the 8.5 at 40c as of August 2, 2026.
What should I watch before Twins vs Mariners resolves?
The starting pitcher strikeout ladders are the sharpest read: Bradley is 66c for 6 or more strikeouts against Kirby at 47c on August 2, 2026. Confirm both probables hold before first pitch.