| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
Athletics | +3.5 β | O 10.5 81% | 1% | 1% Polymarket |
Tigers | -3.5 β | U 10.5 β | 1%1% | 1% Kalshi |


| Spread | Total | Moneyline | Best ML | |
|---|---|---|---|---|
Athletics | +3.5 β | O 10.5 | 1% Polymarket | |
Detroit Tigers | -3.5 β | U 10.5 β | 1% Kalshi |
Detroit is the moneyline chalk in this July 7, 2026 matchup at Comerica Park, priced as a roughly 63c favorite over the Athletics on a board carrying about $9K in cross-platform volume across Kalshi and Polymarket. The pitching matchup is the story: Tarik Skubal (4-4, 3.15 ERA) draws J.T. Ginn (7-4, 3.04 ERA) in a game the market reads as a run-scarce night, with the total posted at 8.5. The live board above ranks the current cross-platform prices on the moneyline, run line, and total.
Detroit enters this July 7 game at Comerica Park a shade under two-to-one on the moneyline despite a losing record, a spread that tells you the market is pricing the pitching matchup more than the standings. Both clubs sit below .500 (Tigers 40-50, Athletics 41-49), so the near-63c Detroit price is a pitcher-driven number, not a talent-gap number.
Detroit is the moneyline favorite at roughly 63c to 64c across the two platforms, with the Athletics on the other side near 37c. Kalshi and Polymarket sit within a cent of each other on the moneyline, so there is no cross-platform edge to exploit here; the number is efficient. That 63c implied probability is a touch below the ESPN market's DET -194 (near 66%), which means the prediction markets are slightly more generous to the Athletics than the sportsbook line.
The pitching matchup is why a sub-.500 home team is priced this firmly. Detroit sends Tarik Skubal (4-4, 3.15 ERA), and the Athletics counter with J.T. Ginn (7-4, 3.04 ERA). Two starters with sub-3.20 ERAs is a run-suppressing pairing, and the market agrees: the game total sits at 8.5 (O/U priced at 47c, so the market leans slightly under), and the first-five-innings total is posted at 3.5 near even money. When both listed arms are pitching to those ERAs, the total is the cleaner read than the moneyline.
The run line is where the favorite premium shows. Detroit at -1.5 is priced at 45c, meaning the market gives the Tigers less than a coin-flip chance of winning by two or more. That is the standard tax on backing a modest favorite to cover a margin: you get a better price than the 63c moneyline, but you need Skubal's side to win comfortably. The Athletics at +1.5 (buying the 1.5 runs) is the mirror trade for anyone who thinks Ginn keeps this within a run.
The market resolves on the outcome of the scheduled July 7, 2026 game at Comerica Park in Detroit. The moneyline pays on the team that wins the game, the run line settles on the final margin, and the total settles on combined runs scored. All contracts close when the game goes final on the scheduled date.
Skubal vs Ginn pitching matchup: Two sub-3.20 ERA starters (Skubal 3.15, Ginn 3.04) are the primary price driver and the reason the total sits at 8.5.
Moneyline efficiency: Detroit is 64c on Kalshi and 63c on Polymarket, a one-cent spread that leaves no cross-platform arbitrage on the game winner.
The under lean: The 8.5 total priced at 47c and the 3.5 first-five total near even money both reflect the market's expectation of a low-run game.
Run line value: Detroit -1.5 at 45c offers a better entry than the 63c moneyline for anyone confident the Tigers win by multiple runs.
Strikeout props on Skubal: Skubal's 5-plus strikeout prop is priced at 94c, with the ladder extending to double-digit K's, tracking his role as the game's most likely dominant arm.
This game sits inside the broader MLB market slate on Prediction Genius, where every day's board is priced across Kalshi and Polymarket. Compare it against the rest of the sports markets for the day, and follow Genius Staff coverage for how these cross-platform lines move before first pitch. The live board above carries the current moneyline, run line, and total for this matchup.
Resolves on the outcome of the scheduled July 7, 2026 MLB game between the Athletics and the Detroit Tigers at Comerica Park in Detroit. The moneyline contract pays out on the team that wins the game. The run line (Detroit -1.5 or Athletics +1.5) settles on the final margin of victory. The total settles on the combined runs scored by both teams relative to the posted line of 8.5. All contracts settle on the platforms when the game is declared final on the scheduled date. If the game is postponed, suspended, or shortened, each platform applies its own official-game and settlement rules.
As of July 6, 2026, Detroit is the moneyline favorite at roughly 63c (64c on Kalshi, 63c on Polymarket), with the Athletics near 37c, for the July 7 game at Comerica Park. The live board above shows the latest cross-platform prices.
The Detroit Tigers are favored at about a 63 percent implied probability on the moneyline, slightly more generous to the Athletics than the ESPN market line of DET -194 (near 66 percent).
Detroit is expected to start Tarik Skubal (4-4, 3.15 ERA) and the Athletics counter with J.T. Ginn (7-4, 3.04 ERA), a run-suppressing matchup that pushes the game total down to 8.5.
The game trades on both Kalshi and Polymarket. Prediction Genius aggregates both platforms so you can compare the moneyline, run line, and total prices side by side on the board above.
The market resolves when the July 7, 2026 game at Comerica Park goes final. The moneyline pays the winner, the run line settles on the final margin, and the total settles on combined runs scored against the 8.5 line.