Astros vs Yankees Prediction Market Odds, August 27, 2026
| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
â–¶Astros | +2.5 68%79% | O 1 48%47% | 22%22% | 22% Kalshi |
â–¶Yankees | -2.5 32%21% | U 1 52%53% | 38%37% | 38% Kalshi |
New York is the 60c home favorite for the August 27, 2026 rubber game at Yankee Stadium, with Houston at 41c and Kalshi and Polymarket quoting both sides identically. The Yankees are 75-57 and second in the AL East behind Gerrit Cole (3.11 ERA); the Astros are 66-67, lead the AL West, and have lost seven of their last 10 with Hayden Wesneski (4.23 ERA) on the mound. The board carries about $66.2K in lifetime volume across the two platforms, and the live prices sit on the board above.
Houston and New York split the first two games of this series at Yankee Stadium, the Astros taking the opener 9-7 on August 25 and the Yankees answering 9-3 in Tuesday's game, which makes the August 27, 2026 finale a rubber game between two clubs in very different form. New York is 75-57 and sits second in the AL East, 34-29 at home, winners of seven of its last 10. Houston is 66-67 and still holds first place in the AL West, a standings line that says more about the division than about the Astros, who have lost seven of their last 10 and scored three runs or fewer in six of them. First pitch is 7:05 PM ET in the Bronx, carried on YES, Space City Home Network, and MLB.TV.
Astros vs Yankees Market Context
The board prices New York as the home favorite and Houston as a live road dog, and the two exchanges land in the same place. As of the overnight captures on August 27, 2026, the Yankees moneyline reads 60c on Kalshi and 60c on Polymarket, with Houston at 41c on both. The two sides sum to 101c, which is the standard two-sided vig and not a pricing error. There is no daylight between the order books here, so neither platform offers a better entry on either side of this game.
The snapshot series on this board begins at 8:02 PM ET on August 26 and runs through the overnight, so the movement window is roughly three and a half hours long and any claim beyond it is not supported by captured data. Inside that window the line barely moved. New York opened the captures at 59c on Kalshi and finished the overnight at 60c, while Houston drifted from 42c to 41c. One cent toward the home side is the book settling, not a signal. The meaningful repricing on a game like this arrives between the morning lineup card and first pitch.
The derivative markets carry the sharper read. New York at -1.5 runs prices at 41.5c (42c Kalshi, 41c Polymarket) and at -2.5 runs at 31.5c (32c Kalshi, 31c Polymarket). That -2.5 contract is the single most-traded line on the board at $26.2K in lifetime volume, well ahead of the Yankees moneyline itself at $23.3K. The money on this game is not arguing about who wins, it is arguing about margin. Houston's mirror lines sit at 30c for -1.5 and 21c for -2.5, which is what a road team scoring three or fewer in six of 10 gets priced at.
The totals board points the same direction. Over 8.5 runs is 49c on both platforms, over 7.5 runs is 57c (58c Kalshi, 56c Polymarket), and the 9.5 line prints 38c, so the market's center of gravity is a game in the eight-to-nine run range. A run in the first inning trades at 47.5c (48c Kalshi, 47c Polymarket). Polymarket also lists a three-way after-five market, with New York ahead after five at 51c, Houston at 35c, and a tie at 14c, which is close to a restatement of the full-game moneyline with the draw carved out of it.
Cole vs Wesneski: The Astros vs Yankees Pitching Matchup
Gerrit Cole (7-6, 3.11 ERA) starts for New York and is the largest single input into the 60c number. Cole is the better pitcher in this game by a full run of ERA, he is throwing at home, and he is the reason the Yankees run line at -1.5 draws 41.5c rather than the low 30s a normal 60c favorite would carry. Houston counters with Hayden Wesneski (3-1, 4.23 ERA), who has the better win-loss record and the worse profile. The gap between those two ERAs is the cleanest justification for the price the board is showing.
The lineups tilt the same way on paper and not by as much as the record gap suggests. Ben Rice leads the Yankees with 35 home runs and 83 RBI, and Cody Bellinger leads the club at .258. Houston's counterweight is Yordan Alvarez, who is the best hitter in this game on either side at .322 with 36 home runs and 91 RBI. Alvarez is the reason Houston's team total over 3.5 runs still prices at 52c on Kalshi despite the six low-scoring games in the last 10, and he is the single bat that can flip the run line without the Astros doing much else right.
The player prop board is thin and one-sided. Home run markets are Polymarket-only, topped by Spencer Jones at 10c with Christian Walker, Bellinger, and Daulton Varsho at 9c and Jose Altuve at 6c. The strikeout markets on Cole and Wesneski are listed without live prices, so there is no tradeable read on Cole's strikeout total tonight.
When the Astros vs Yankees Market Resolves
The market resolves on the final score of the Astros at Yankees game scheduled for 7:05 PM ET on August 27, 2026 at Yankee Stadium. The moneyline settles to the winning team, the run line settles on the final margin, and the totals settle on combined runs scored, with the first-five-innings variants settling on the score after five complete innings. Kalshi and Polymarket both settle from the official MLB final, so a suspended or postponed game holds rather than resolves until the game is completed or officially voided.
Key Astros vs Yankees Catalysts
Starting pitching: Gerrit Cole (7-6, 3.11 ERA) against Hayden Wesneski (3-1, 4.23 ERA) is the widest edge on the card and the anchor of the 60c price.
Houston's bats: the Astros have scored three runs or fewer in six of their last 10, which is what holds their -1.5 run line down at 30c.
Yordan Alvarez: at .322 with 36 home runs and 91 RBI he is the one Houston hitter who can carry the run line by himself.
Margin, not the winner: the New York -2.5 line at 31.5c is the board's most-traded contract at $26.2K lifetime, so the real disagreement is about how comfortable the win is.
Cross-platform pricing: Kalshi and Polymarket quote this moneyline within a cent of each other, so there is no better side to shop and the read has to come from the game itself.
Standings stakes: New York is chasing in the AL East at 75-57 while Houston defends the AL West at 66-67, so both clubs are playing a game that matters in September positioning.
Related Astros vs Yankees Markets
The season-long context for this game trades on two boards: the AL East winner market, where the Yankees are chasing from second at 75-57, and the AL West winner market, where Houston is defending a lead built on a division rather than on a record. For every open contract on either club, the New York Yankees hub and the Houston Astros hub collect the game boards, futures, and player markets in one place. The full slate of cross-platform baseball pricing lives on the MLB prediction markets page.
Resolution Criteria
This market resolves on the official final score of the Houston Astros at New York Yankees game scheduled for 7:05 PM ET on August 27, 2026 at Yankee Stadium in the Bronx. The moneyline contracts pay $1 per share to the team that wins the game and $0 to the other side, with no draw outcome in Major League Baseball. Run line contracts settle on the final margin of victory, full-game totals settle on combined runs scored by both teams, and the first-five-innings variants settle on the score after five complete innings. Both Kalshi and Polymarket settle from the official MLB box score. If the game is suspended or postponed, the contracts remain open until the game is completed under MLB rules, and a game that is officially voided or not completed resolves per each platform stated cancellation rules.
Key Factors
- Gerrit Cole (7-6, 3.11 ERA) starting against Hayden Wesneski (3-1, 4.23 ERA)
- Houston scoring three runs or fewer in six of its last 10 games
- Yordan Alvarez (.322, 36 HR, 91 RBI) as the Astros one line-moving bat
- New York -2.5 at 31.5c carrying the board largest lifetime volume at $26.2K
- Kalshi and Polymarket quoting the moneyline within a cent, so no cross-platform edge
- AL East and AL West positioning with the Yankees 75-57 and the Astros 66-67
What are the current Astros vs Yankees odds?
As of the overnight pricing on August 27, 2026, the New York Yankees are 60c on both Kalshi and Polymarket and the Houston Astros are 41c on both. The two sides sum to 101c, which is the standard two-sided book vig.
Who is favored in Astros vs Yankees on August 27, 2026?
The Yankees are favored at 60c, an implied win probability near 60%, with Gerrit Cole (3.11 ERA) starting at home against Hayden Wesneski (4.23 ERA). New York is 75-57 overall and 34-29 at Yankee Stadium.
Where can I trade the Astros vs Yankees market?
The game trades on both Kalshi and Polymarket, and the board carries about $66.2K in lifetime volume across the two platforms. Kalshi lists the deepest derivative menu, including run lines, full-game totals, and first-five-innings markets.
When does the Astros vs Yankees market resolve?
It resolves on the official final of the 7:05 PM ET game on August 27, 2026 at Yankee Stadium. The moneyline settles to the winning team and the run line and totals settle on the final score.
What is the run line and total for Astros vs Yankees?
New York at -1.5 runs prices at 41.5c and at -2.5 runs at 31.5c, the most-traded contract on the board at $26.2K lifetime. Over 8.5 runs is 49c, over 7.5 runs is 57c, and a run in the first inning trades at 47.5c.
What should I watch before Astros vs Yankees resolves?
Watch the morning lineup card, since the snapshot series only reaches back to 8:02 PM ET on August 26 and the line has moved one cent inside that window. Whether Yordan Alvarez (.322, 36 HR) is in the lineup is the largest single swing factor on the Houston run line.