Guardians vs Marlins Prediction Market Odds, July 11, 2026
| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
▶Guardians | +1.5 60% | O 7.5 52% | 43%42% | 43% Kalshi |
▶Marlins | -1.5 40% | U 7.5 48% | 58%59% | 59% Polymarket |
| Spread | Total | Moneyline | Best ML | |
|---|---|---|---|---|
▶Cleveland Guardians | +1.5 | O 7.5 | 43% Kalshi | |
▶Miami Marlins | -1.5 | U 7.5 | 59% Polymarket |
The Miami Marlins (52-43) are the 57.5c home favorite over the Cleveland Guardians (49-46) at loanDepot park, priced at 58c on Kalshi and 57c on Polymarket for a rare cross-platform moneyline. Miami has firmed since midnight, moving from 55c to 57c on Polymarket as roughly $24K in cross-platform volume backs the home side. Eury Perez (5-6, 3.84 ERA) draws Cleveland's Tanner Bibee (2-9, 4.06 ERA), whose nine losses are tied for the most of any starter in MLB. First pitch is 4:10 PM ET on July 11, 2026.
The Miami Marlins enter July 11, 2026 as the 57.5c favorite against the Cleveland Guardians, a two-platform moneyline that has Kalshi at 58c and Polymarket at 57c on the home side. The two books agree almost exactly, a 1c gap that leaves little cross-platform edge on the favorite. Cleveland sits at 43c on both venues. The Marlins are 52-43 and holding home field at loanDepot park, while the Guardians are 49-46 on the road.
Guardians vs Marlins Market Context
The pitching matchup shapes the 57.5c line. Miami sends Eury Perez (5-6, 3.84 ERA), and Cleveland counters with Tanner Bibee (2-9, 4.06 ERA). Bibee's nine losses are tied for the most of any starter in MLB, and his 4.06 ERA trails Perez's 3.84 by a modest margin. The Marlins' home-favorite price reflects both the ballpark edge and the slight edge on the mound.
The line has moved toward Miami overnight. On Kalshi the Marlins opened at 57c and ticked up to 58c, and on Polymarket they climbed from 55c at midnight to 57c, a 2c firming as volume came in. The direction matters: the favorite is strengthening, not fading. With Kalshi at 58c and Polymarket at 57c, Polymarket offers the marginally cheaper Miami side, though the 1c difference sits inside the noise. The Guardians price is identical at 43c across both books, so there is no cross-platform gap to exploit on the underdog.
The prediction-market price lines up with the sportsbook. DraftKings has Miami at -149, which strips to roughly 57% once the vig is removed, right on top of the 57.5c board number. On the derivative markets, the run line has Miami -1.5 at 40c on Polymarket, and the total sits at 7.5 with the over at 52c. The run-line price implies a Marlins win by two or more runs at 40%, and the over on 7.5 carries the marginal side of a tightly split total.
When the Guardians vs Marlins Market Resolves
The Guardians vs Marlins market resolves on the final score of the game scheduled for July 11, 2026 at loanDepot park in Miami, with first pitch at 4:10 PM ET. The moneyline pays the team that wins the game outright, so a Miami contract at 57.5c pays $1 if the Marlins win and $0 if they lose. The run line settles on whether Miami wins by two or more runs, and the total settles on the combined final run count against the 7.5 line. If the game is postponed or suspended, Kalshi and Polymarket settle per their official MLB-game rules, typically on the date the game is completed.
Key Guardians vs Marlins Catalysts
Starting pitching: Eury Perez (3.84 ERA) versus Tanner Bibee (4.06 ERA) is the closest single input to the 57.5c line.
Bibee's form: Cleveland's starter carries a 2-9 record with nine losses tied for the most in MLB, a drag on the Guardians' 43c road price.
Overnight line move: Miami firmed from 55c to 57c on Polymarket and from 57c to 58c on Kalshi, a favorite strengthening into first pitch.
Cross-platform read: Kalshi 58c versus Polymarket 57c leaves a 1c gap on Miami, so the value case on the favorite is thin, and the Guardians are matched at 43c.
Derivative markets: the over on 7.5 sits at 52c and Miami -1.5 trades at 40c, the two alt markets to watch alongside the moneyline.
Related MLB Markets
Track both clubs beyond today on the Miami Marlins hub and the Cleveland Guardians hub, or compare the full slate on the MLB market board. This game is the back end of the series, and the July 10 Guardians vs Marlins meeting set the recent price context between these two clubs.
Resolution Criteria
The market resolves on the outcome of the Cleveland Guardians at Miami Marlins game scheduled for July 11, 2026 at loanDepot park in Miami, first pitch 4:10 PM ET. The moneyline resolves to the team that wins the game, so a Marlins share at 57.5c pays $1 if Miami wins and $0 otherwise, with the Guardians share settling the same way at 43c. The run-line market settles on whether Miami wins by two or more runs (Miami -1.5), and the total settles on the combined final run count against the 7.5 line. Kalshi and Polymarket settle when the game goes final on the scheduled date. If the game is postponed or suspended, each platform applies its official MLB-game rules and typically settles on the date the game is completed.
Key Factors
- Starting pitchers: Eury Perez (5-6, 3.84 ERA) for Miami vs Tanner Bibee (2-9, 4.06 ERA) for Cleveland
- Tanner Bibee's nine losses are tied for the most of any MLB starter, weighing on the Guardians' 43c road price
- Overnight line move: Miami firmed from 55c to 57c on Polymarket and 57c to 58c on Kalshi
- Cross-platform spread is just 1c on the favorite (Kalshi 58c, Polymarket 57c); Guardians matched at 43c
- Derivative markets: over 7.5 at 52c and Miami -1.5 run line at 40c
- Home field: Marlins 52-43 at loanDepot park vs Guardians 49-46 on the road
What are the current Guardians vs Marlins odds?
As of July 11, 2026, the Miami Marlins are the 57.5c moneyline favorite (58c on Kalshi, 57c on Polymarket) and the Cleveland Guardians are 43c on both platforms.
When does the Guardians vs Marlins market resolve?
It resolves when the game goes final on July 11, 2026 at loanDepot park in Miami, first pitch 4:10 PM ET. The moneyline pays the team that wins the game outright.
Where can I trade the Guardians vs Marlins market?
The moneyline trades on both Kalshi and Polymarket, which is why the board shows a cross-platform price near 57.5c on Miami. The run line and total currently show on Polymarket.
Who is favored in Guardians vs Marlins?
The Miami Marlins are favored at 57.5c, an implied win probability near 57%, in line with the DraftKings moneyline of -149. Cleveland sits at 43c as the underdog.
What should I watch before Guardians vs Marlins resolves?
Watch the starting pitchers, Eury Perez (3.84 ERA) against Tanner Bibee (4.06 ERA), plus the overnight firming that lifted Miami from 55c to 57c on Polymarket into first pitch.