Yankees vs Orioles Prediction Market Odds, August 20, 2026
| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
â–¶Yankees | -1.5 40%41% | O 1 46%45% | 54%55% | 55% Polymarket |
â–¶Orioles | +1.5 60%59% | U 1 54%55% | 47%46% | 47% Kalshi |
| Spread | Total | Moneyline | Best ML | |
|---|---|---|---|---|
â–¶New York Yankees | -1.5 | O 1 | 55% Polymarket | |
â–¶Baltimore Orioles | +1.5 | U 1 | 47% Kalshi |
New York (71-55) is the 53c moneyline favorite at Baltimore (61-66) in the Camden Yards series finale, and Kalshi and Polymarket landed on the identical 53c, with the Orioles at 47c and 48c. The Yankees have already taken the first two games of the set, 3-1 and 5-3, and send Gerrit Cole (6-6, 3.22 ERA) against Kyle Bradish (7-11, 3.65 ERA). The board carries $17.4K in lifetime volume, most of it in the first-inning run market rather than the winner.
The Yankees vs Orioles series finale at Oriole Park at Camden Yards starts at 6:35 PM ET on August 20, 2026, and the market has it inside a coin flip. New York is 53c on Kalshi and 53c on Polymarket. Baltimore is 47c on Kalshi and 48c on Polymarket. That is a 1c spread on the underdog and no spread at all on the favorite, an unusually tight two-sided price for a mid-August division game, and the two sides sum to roughly 100.5, so the vig on this board is about half a cent. The Yankees are 71-55 and second in the AL East. The Orioles are 61-66 and fifth.
Yankees vs Orioles Market Context
New York has already won the series. The Yankees took the opener 3-1 on August 18 and the second game 5-3 on August 19, both at Camden Yards, so Thursday is a sweep attempt against a team playing out a losing season. That context matters for how you read 53c: the market is not pricing momentum from the first two games into a big number. A team that has just won back-to-back road games against the same opponent and hands the ball to its highest-paid starter is priced at barely better than even money, which is the market respecting the ballpark and the bullpen variance in a nine-inning baseball game rather than the series result.
The splits explain the compression. The Yankees are 40-28 on the road, the better half of their profile, while they are 31-27 at home. Baltimore is exactly .500 at Camden Yards at 32-32 despite the 61-66 overall mark, which means the Orioles' record is dragged down by a 29-34 road line, not by home performance. Two teams separated by 10 games in the standings are separated by far less on this specific field. Recent form points the same direction: New York is 6-4 in its last 10 and Baltimore is 5-5, and the Orioles' stretch includes a 10-5 win over Texas and back-to-back-to-back wins over Tampa Bay before this series.
Volume tells you where the action actually is. The board carries $17.4K in lifetime cumulative volume across both platforms, but the moneyline is the thin part of it: the Yankees leg has traded about $1.6K and the Orioles leg about $700. The bulk sits in the first-inning run market, which has taken roughly $14.4K on Kalshi and $792 on Polymarket. Traders on this game are more interested in the opening frame than in the winner, which is typical for a matchup where both starters carry sub-3.70 ERAs.
Line movement has been flat where it counts. Across the overnight snapshot window the Yankees held 53c on Kalshi with no ticks in either direction, and the Orioles held 47c. The first-inning market did move: Kalshi drifted from 45c to 44c and Polymarket from 47c down to 45c, both toward "no run in the first." That is the only directional signal on this board, and it is a small one that fits the pitching matchup rather than contradicting it.
Yankees vs Orioles Pitching Matchup
Gerrit Cole takes the ball for New York at 6-6 with a 3.22 ERA. Kyle Bradish goes for Baltimore at 7-11 with a 3.65 ERA. The win-loss records are noise here, since Bradish's 11 losses come with an ERA less than half a run worse than Cole's and Baltimore has scored behind him at a bottom-half rate all year. The gap the market is actually pricing is 43 points of ERA plus the lineup behind each arm, and 53c is what that difference is worth over nine innings.
Cole's edge on this board is not dominance, it is the floor. A 3.22 ERA starter in a hitter-friendly park keeps the game in range for a New York lineup that has outscored Baltimore in both games of this series without needing a crooked number. Bradish's counter is that Camden Yards has been the half of Baltimore's season that works, and a 32-32 home mark against a schedule that included the AL East is the argument for the 47c side. The Baltimore Orioles hub carries the rest of the club's active boards if you want the season-long picture behind that number.
The 1c Kalshi-Polymarket gap on the Orioles side is too small to be a signal. It is the ordinary difference between two order books quoting the same question, and a bettor taking Baltimore gets a marginally better entry on Kalshi at 47c than on Polymarket at 48c. On the Yankees side the books are identical at 53c, so platform choice is a liquidity question rather than a price question, and Kalshi holds the deeper book on this game.
When the Yankees vs Orioles Market Resolves
The moneyline resolves to the team that wins the game on August 20, 2026, at Oriole Park at Camden Yards, first pitch 6:35 PM ET. Each winning contract pays $1 per share and the losing side settles at $0. Both Kalshi and Polymarket settle off the official final score once the game goes final, so a game called after five completed innings still resolves to the leading team. The separate first-inning market resolves YES if either team scores at least one run in the top or bottom of the first. A postponement pushes settlement to the rescheduled date under the suspension rules of each platform rather than voiding the contract.
Key Yankees vs Orioles Catalysts
Starting pitching: Gerrit Cole (6-6, 3.22 ERA) against Kyle Bradish (7-11, 3.65 ERA) is a 43-point ERA gap, and it is most of what separates 53c from 47c.
Camden Yards splits: Baltimore is 32-32 at home against a 29-34 road mark, so the ballpark is the strongest argument for the underdog price.
Sweep pressure: New York has taken the first two games 3-1 and 5-3, and a third win closes out the season series set at Camden Yards.
Cross-platform pricing: The Yankees are 53c on both books and the Orioles are 47c Kalshi against 48c Polymarket, a 1c difference that gives Kalshi the marginally better underdog entry.
First-inning market: The run-in-the-first board holds $14.4K of the $17.4K on this game and has drifted from 45c toward 44c on Kalshi, the only meaningful movement here.
Related Yankees vs Orioles Markets
Both clubs have season-long boards trading alongside this game. The Yankees playoff market and the Orioles playoff market are where a September run or collapse actually prices in, and the AL East division market is the board a Yankees sweep here moves most. The Yankees win total tracks the 71-55 pace against its preseason number. For the full slate of active baseball boards across both platforms, see the MLB hub, and the New York Yankees hub collects every market tied to this roster.
Resolution Criteria
Resolves to the team that wins the game between the New York Yankees and Baltimore Orioles on August 20, 2026, at Oriole Park at Camden Yards, scheduled for 6:35 PM ET. The winning team contract pays $1 per share and the losing contract settles at $0. Kalshi and Polymarket both settle off the official MLB final score once the game is declared final, which includes shortened games called after five completed innings (four and a half if the home team leads). The separate first-inning market resolves YES if either team scores at least one run in the first inning. If the game is postponed or suspended, settlement moves to the completion date under the suspension rules of each platform rather than voiding the contract.
Key Factors
- Gerrit Cole (6-6, 3.22 ERA) vs Kyle Bradish (7-11, 3.65 ERA), a 43-point ERA gap
- Baltimore 32-32 at Camden Yards against a 29-34 road mark, the underdog case
- New York 40-28 on the road and up 2-0 in the series after 3-1 and 5-3 wins
- Orioles priced 47c on Kalshi and 48c on Polymarket, a 1c cross-platform difference
- First-inning run market holds $14.4K of the $17.4K lifetime volume on this game
- AL East standing stakes: Yankees second, Orioles fifth entering the finale
What are the current Yankees vs Orioles odds?
As of August 20, 2026, the New York Yankees are 53c on Kalshi and 53c on Polymarket, and the Baltimore Orioles are 47c on Kalshi and 48c on Polymarket. That prices the Yankees at roughly 53% implied win probability.
Who is favored in Yankees vs Orioles?
The Yankees are the favorite at 53c, about 53% implied. It is one of the tighter moneylines on the August 20, 2026 slate, with the two sides summing to roughly 100.5 for about half a cent of vig.
Who are the probable starting pitchers?
Gerrit Cole starts for the New York Yankees at 6-6 with a 3.22 ERA. Kyle Bradish starts for the Baltimore Orioles at 7-11 with a 3.65 ERA. The 43-point ERA gap is the core of the price difference.
When does the Yankees vs Orioles market resolve?
It resolves when the game goes final on August 20, 2026, at Oriole Park at Camden Yards, scheduled for 6:35 PM ET first pitch. Winning contracts pay $1 per share on both Kalshi and Polymarket.
Where can I trade Yankees vs Orioles?
Both Kalshi and Polymarket list this game. Kalshi carries the deeper book, with about $1.6K lifetime on the Yankees leg and $14.4K on the first-inning run market against $792 on the Polymarket side of that same question.
What should I watch before first pitch?
Watch the first-inning market, which drifted from 45c to 44c on Kalshi and from 47c to 45c on Polymarket overnight. That is the only board on this game that has moved, and it is the cleanest read on how traders see Cole and Bradish opening.