Mets vs Guardians Prediction Market Odds, August 5, 2026
| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
▶Mets | — | O 1 45%51% | 49%45% | 49% Kalshi |
▶Guardians | — | U 1 55%49% | 52%56% | 56% Polymarket |
| Spread | Total | Moneyline | Best ML | |
|---|---|---|---|---|
▶New York Mets | — | O 1 | 49% Kalshi | |
▶Cleveland Guardians | — | U 1 | 56% Polymarket |
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Cleveland is the 54c home favorite for the August 5, 2026 meeting with New York at Progressive Field, and the two books disagree on the size of that edge: Kalshi prices the Guardians at 52c while Polymarket has them at 56c. The records back the direction, with Cleveland 57-56 and holding an American League wild card spot against a Mets team that is 47-66 and 22-32 on the road. The pitching argues the other way, since New York sends Nolan McLean (7-7, 3.29 ERA) against Slade Cecconi (4-7, 4.78 ERA).
The Mets vs Guardians board on August 5, 2026 is the uncommon case where the better starting pitcher belongs to the worse team, and the market has sided with the team. Cleveland is priced at 54c on the moneyline and New York at 47c, a gap narrow enough that a lineup card or a late bullpen note reprices it. First pitch is 6:40 PM ET at Progressive Field in Cleveland.
Mets vs Guardians Records and Form
Cleveland enters at 57-56, second in the American League Central, 3.0 games back of the division lead and currently holding a wild card position. The Guardians are 28-28 at home and have scored 446 runs against 462 allowed, a run differential of negative 16 that describes a .500 club rather than a contender outrunning its record. The recent form is worse than the season line: Cleveland is 3-7 over its last 10 games and enters on a one-game winning streak that broke the slide.
New York arrives at 47-66, fifth in the National League East, 20.5 games back in the division and 13.0 games out of a wild card spot. The Mets are 22-32 on the road with a run differential of negative 58 (457 scored, 515 allowed), the wider of the two gaps by a large margin. New York has lost three straight and is 4-6 in its last 10. Stripped to season shape, this is a 57-56 home team against a 47-66 road team, and that alone carries most of the 54c price.
Reading the Mets vs Guardians Moneyline
The moneyline is effectively the whole board. Neither Kalshi nor Polymarket lists a run line or a game total for this matchup, so the tradeable questions are the winner market and a first-inning run market sitting near 50c (52c on Kalshi, 47c on Polymarket). Anyone looking for a spread or an over/under has to look at another game on the August 5 slate.
Cleveland at 54c implies roughly a 54% win probability and New York at 47c implies about 47%, which sum to 101c, the ordinary book overround rather than a pricing error. A 54c home favorite is modest by baseball standards, close to what a league-average home team is worth against a league-average opponent, and well short of what a 10-game gap in the standings would imply on its own. The market is treating the starting pitching as a real offset, not a rounding error.
The cross-platform read is where the board earns a second look. Kalshi has Cleveland at 52c and Polymarket has Cleveland at 56c, a 4c split on an identical question, meaning the two venues disagree on the Guardians' win probability by about four points. That is a book disagreement on a thin single-game market, not a signal to trade against, and it is small relative to the overround each venue already carries. The practical use is directional: a Cleveland view gets the better entry on Kalshi at 52c, and a New York view gets the better entry on Polymarket at 45c.
The movement into August 4, 2026 explains how the split opened. Cleveland's Kalshi price has held flat at 52c across a full session of trading, chopping in a 48c to 53c band without settling anywhere new. The Mets side is what moved: New York went from 54c to 49c on Kalshi and from 51c to 45c on Polymarket, a 6c slide on the Polymarket book. Polymarket repriced toward Cleveland while Kalshi stood still, and that divergence in movement, not a change in the Guardians' own price, is what produced the 4c gap on the favorite. The first-inning run market drifted the same way, firming from 49c to 53c on Kalshi.
Mets vs Guardians Pitching Matchup
The starting pitching argues against the price. New York sends right-hander Nolan McLean, 7-7 with a 3.29 ERA across 22 starts and 125.2 innings, with 148 strikeouts, 45 walks and a 1.12 WHIP. Cleveland counters with right-hander Slade Cecconi, 4-7 with a 4.78 ERA across 21 starts and 107.1 innings, with 84 strikeouts and a 1.47 WHIP. That is a 1.49-run ERA gap and a 0.35 WHIP gap, both in the Mets' favor, and McLean's strikeout rate of 148 in 125.2 innings is the more durable profile of the two.
The market is pricing nine innings, not six. Cleveland at 54c says the board trusts the Guardians' lineup and bullpen to absorb a starter deficit against a Mets team that has been outscored by 58 runs on the season. That assumption has held often enough for Cleveland to sit at .500 with a negative differential, but it is the exact assumption that gets tested if McLean works deep into the game. A McLean start of six or more innings with New York ahead is the cleanest path to the 47c side cashing, and it is the scenario the 4c cross-book split is arguing about.
When the Mets vs Guardians Market Resolves
The market resolves on the final score of the game scheduled for August 5, 2026 at Progressive Field, first pitch 6:40 PM ET. The winning team's moneyline contract pays $1 per share and the losing team's contract pays $0. Baseball has no draw outcome, so extra innings extend play until a winner is decided. Both Kalshi and Polymarket settle once the game is official and the result is final, generally within hours of the last out.
Key Mets vs Guardians Catalysts
- Starter deficit: Nolan McLean (7-7, 3.29 ERA, 1.12 WHIP) is the better arm and belongs to the 47c side, which is the single largest argument against Cleveland at 54c.
- Cecconi's margin for error: Slade Cecconi carries a 4.78 ERA and a 1.47 WHIP into a start against a Mets lineup that has scored 457 runs, so an early deficit puts the Guardians' bullpen in play.
- Cleveland form vs record: the Guardians are 3-7 in their last 10 and 28-28 at home despite a 57-56 record and a wild card position, a split the 54c price does not fully reflect.
- Cross-book entry: the 4c gap (52c Kalshi, 56c Polymarket) sets a different best price per side, with Cleveland cheaper on Kalshi and New York cheaper on Polymarket at 45c.
- Direction of the move: Cleveland held 52c on Kalshi for a full session while the Mets slid from 51c to 45c on Polymarket, so the pressure has been on the underdog side rather than on the favorite.
- Board coverage: no run line and no game total are listed on either platform, leaving the moneyline and the first-inning run market near 50c as the only tradeable questions here.
Related Mets vs Guardians Markets
The Mets' season-long standing trades on the 2026 NL East winner market, which prices the division New York sits 20.5 games back in. For the rest of the August 5, 2026 board, the Cardinals vs Yankees market and the Nationals vs Phillies market both carry cross-platform winner prices, and the Angels vs Orioles market rounds out the American League slate. Every live baseball board, plus the futures markets that price the postseason field, is indexed on the sports markets hub.
Resolution Criteria
Resolves to the team that wins the New York Mets at Cleveland Guardians game scheduled for August 5, 2026 at Progressive Field in Cleveland, first pitch 6:40 PM ET. The winning team’s moneyline contract pays $1 per share and the losing team’s contract resolves to $0, with the official final score as the source of truth. Baseball has no draw outcome, so a tied game after nine innings continues into extra innings until a winner is decided. The separate first-inning market resolves yes if either team scores at least one run in the top or bottom of the first inning. If the game is suspended and completed on a later date, both platforms settle on the completed result; if it is postponed or canceled outright and not made up as scheduled, contracts void and refund per each platform’s specific game rules.
Key Factors
- Nolan McLean (7-7, 3.29 ERA, 1.12 WHIP) is the better starter and belongs to the 47c Mets side
- Slade Cecconi (4-7, 4.78 ERA, 1.47 WHIP) has to hold a Mets lineup that has scored 457 runs
- Cleveland is 3-7 in its last 10 and 28-28 at home despite a 57-56 record and a wild card spot
- The 4c cross-book split on Cleveland (52c Kalshi, 56c Polymarket) sets a different best entry per side
- Cleveland held 52c on Kalshi for a full session while the Mets slid from 51c to 45c on Polymarket
- No run line and no game total are listed, so the moneyline and the first-inning market are the only tradeable questions
What are the current Mets vs Guardians odds?
Heading into the August 5, 2026 game at Progressive Field, Cleveland is the 54c favorite (52c on Kalshi, 56c on Polymarket) and New York is 47c. Those prices imply roughly a 54% Guardians win probability against about 47% for the Mets.
Who is favored in Mets vs Guardians on August 5, 2026?
Cleveland, at 54c, or about a 54% implied win probability. The Guardians are 57-56 overall and 28-28 at home, while the Mets are 47-66 overall and 22-32 on the road.
Who are the probable starting pitchers for Mets vs Guardians?
New York starts right-hander Nolan McLean, 7-7 with a 3.29 ERA and 148 strikeouts in 125.2 innings. Cleveland starts right-hander Slade Cecconi, 4-7 with a 4.78 ERA and 84 strikeouts in 107.1 innings.
Where can I trade the Mets vs Guardians market?
Both Kalshi and Polymarket list the winner market for the August 5, 2026 game. Kalshi prices Cleveland at 52c and Polymarket at 56c, so the cheaper Guardians entry is on Kalshi and the cheaper Mets entry is on Polymarket at 45c.
When does the Mets vs Guardians market resolve?
On the final score of the August 5, 2026 game, with first pitch at 6:40 PM ET. The winning team’s contract pays $1 per share, there is no draw outcome, and both platforms settle within hours of the last out.
What should I watch before first pitch on August 5, 2026?
The posted lineups and any late scratch to either starter, plus whether Kalshi follows the 6c Polymarket move toward Cleveland. The Guardians going 3-7 over their last 10 games is the standing argument against the 54c price.