| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
Jays | -1.5 β | O 4.5 β | 0%0% | β |
Yankees | +1.5 β | U 4.5 β | 100%100% | 100% Kalshi |


| Spread | Total | Moneyline | Best ML | |
|---|---|---|---|---|
Toronto Blue Jays | -1.5 β | O 4.5 β | 0%0% | β |
New York Yankees | +1.5 β | U 4.5 β | 100%100% | 100% Kalshi |
New York closes a three game set with Toronto as a 56.5c favorite on the cross-platform average, with the Yankees at 57c on Kalshi and 56c on Polymarket and the Blue Jays at 45c on both books. New York enters at 73-56 and second in the AL East, Toronto at 64-67 and 10 games back in the same division. The board has traded roughly $68.2K in lifetime volume across the two exchanges, and the two books agree inside 1c on every full game line that matters. Carlos Rodon (4-2, 3.22 ERA) faces Jose Soriano (10-6, 3.23 ERA) at 1:35 PM ET at Yankee Stadium.
Toronto and New York split the first two games of this set, so Sunday afternoon decides it. The Blue Jays took Saturday 4-3 after the Yankees won Friday 3-1, and both clubs arrive at 6-4 over their last 10. The winner market has New York at 56.5c on the cross-platform average, a price that has barely moved since the exchanges opened their overnight books, and the biggest pool of money on this board is not the winner market at all.
The Yankees trade at 57c on Kalshi and 56c on Polymarket. Toronto sits at 45c on both. That is a 1c disagreement on the favorite and none at all on the underdog, which is as tight as a cross-platform game board gets. Kalshi is carrying the deeper winner book, roughly $14.7K of lifetime volume on the New York side and $9.0K on the Toronto side, against about $3.1K on the paired Polymarket contract. Both books price the two sides slightly above 100 in combination, 102 on Kalshi and 101 on Polymarket, which is the normal overround a reader should strip out before treating 56.5c as a clean probability.
The snapshot series this board carries runs about four hours, from roughly 8:30 PM ET Saturday to 12:20 AM ET Sunday, so any movement read is scoped to that overnight window and no further back. Inside it, New York ticked from 56c to 57c on Kalshi while Polymarket held flat at 56c, and Toronto held 45c on both books with a single 44c print. The full game over 8.5 slipped from 44c to 43c across the same window. Nothing here is a repricing, it is a book holding its shape into a 1:35 PM ET first pitch.
The records support the shape of the line rather than a wider one. The Yankees are 32-28 at home and 73-56 overall, second in the AL East. The Blue Jays are 31-34 on the road at 64-67, fourth in the division and 10 games behind New York. Recent head to head cuts against the favorite, though. Toronto won two of three at Rogers Centre from August 14 through August 16 and has taken three of the last five meetings between the clubs.
Carlos Rodon starts for New York at 4-2 with a 3.22 ERA. Jose Soriano goes for Toronto at 10-6 with a 3.23 ERA. The starters are separated by 0.01 in earned run average, so the 11.5c gap between the two sides is coming from lineup depth, bullpen, and home field, not from the arms. That matters for how a reader should treat the price: this is a lineup market wearing a pitching matchup, and a bullpen sequence decides more of it than either starter does.
The totals ladder brackets the expected run environment right around 7.5. The full game over 8.5 trades at 43c on Kalshi and 44c on Polymarket, over 7.5 sits at 52c on both books, and over 6.5 is 63c on Kalshi against 64c on Polymarket. That is a market saying 7.5 runs is close to a coin flip and 8.5 is the modest underlay, consistent with two starters in the low threes. The first five innings over 4.5 prices at 44c on Kalshi and 46c on Polymarket, the widest cross-platform gap on the board at 2c.
The run line is where the winner price gets interesting. New York at -1.5 trades at 38c on both books on about $3.1K of volume. Set against the 56.5c winner price, the market treats roughly two thirds of the Yankees' winning paths as multi run wins rather than one run finishes. Toronto at -1.5 is 32c on Kalshi and 33c on Polymarket. On the first five innings winner market Polymarket has New York at 47c, Toronto at 38c, and a tie after five at 17c, which is a tighter read on the early innings than the full game price implies.
The deepest pool on this board is the run in the first inning market at 46c on Kalshi and 45c on Polymarket, carrying about $30.1K of lifetime volume. That is more than the winner market holds on either exchange. Team totals fill out the rest: New York over 3.5 runs at 55c and Toronto over 3.5 runs at 51c on Kalshi, a 4c spread between the offenses that is narrower than the 11.5c winner gap.
The winner market settles on the final score of the game at Yankee Stadium on August 23, 2026, scheduled for 1:35 PM ET and broadcast on YES, Sportsnet, and MLB.TV. Contracts pay out once the game goes official and the exchanges post the result, typically within hours of the last out. The run line and the full game total settle on the same final score, while the first five innings markets settle on the score after five complete innings regardless of what happens afterward.
Rubber game leverage: Toronto squared the set 4-3 on Saturday after New York won Friday 3-1, so Sunday decides a series between clubs 10 games apart in the AL East standings.
Near identical starters: Rodon at 3.22 ERA against Soriano at 3.23 ERA means the 11.5c winner gap is lineup and home field, not pitching, and a bullpen sequence carries outsized weight.
Cross-platform pricing is tight: the two books disagree by 1c on the Yankees, not at all on the Blue Jays, and by 2c at the widest point on the first five innings total, so there is no meaningful price to choose between them on the winner market.
The first inning pool is the real book: at roughly $30.1K lifetime the run in the first inning market at 46c and 45c holds more money than either side of the winner market, which is where the sharpest pricing on this board sits.
Run line versus moneyline: New York at -1.5 at 38c against a 56.5c win price puts about two thirds of the favorite's winning outcomes at margins of 2 or more, so one run game risk is already in the price.
Toronto's recent head to head: the Blue Jays have won three of the last five meetings, including two of three at Rogers Centre from August 14 through August 16, which the 45c underdog price does not fully reflect.
The division context for this game trades on the 2026 AL East winner market, where New York's 73-56 record and Toronto's 64-67 sit on opposite sides of the contention line. The season long price on the Blue Jays runs through the Toronto win total market, which is the cleanest read on whether this club finishes above or below its preseason number. For the top of the board, the 2026 World Series market prices every remaining contender across both exchanges. Every game on the slate, with cross-platform prices on each one, sits on the MLB hub.
The Blue Jays vs Yankees winner market resolves to the team that wins the game at Yankee Stadium on August 23, 2026, scheduled for 1:35 PM ET. Each winning team contract pays $1 per share and the losing side settles at $0, with the exchanges settling on the official final score once the game is complete. The run line settles on the final margin and the full game total settles on combined runs scored by both teams, while first five innings markets settle on the score after five complete innings. If the game is postponed or suspended, Kalshi and Polymarket follow their own rescheduling and void rules, which generally keep the contract open if the game is completed within the same series window and void it if the game is not played at all.
As of August 23, 2026, New York trades at 57c on Kalshi and 56c on Polymarket, a cross-platform average of 56.5c. Toronto sits at 45c on both books. The board has taken roughly $68.2K in lifetime volume across the two exchanges.
Carlos Rodon starts for the Yankees at 4-2 with a 3.22 ERA. Jose Soriano starts for the Blue Jays at 10-6 with a 3.23 ERA. The two are separated by 0.01 in earned run average, so the winner market gap comes from lineup and home field rather than the starters.
The Yankees at -1.5 trade at 38c on both books, and the full game over 8.5 sits at 43c on Kalshi and 44c on Polymarket. Over 7.5 is priced at 52c on both exchanges, placing the market's expected run total right around 7.5.
Both Kalshi and Polymarket list this game. Kalshi carries the deeper winner book at roughly $14.7K on the New York side and $9.0K on Toronto, against about $3.1K on the paired Polymarket contract, and both exchanges also list run line, total, team total, and first five innings markets.
It resolves on the final score of the 1:35 PM ET game on August 23, 2026 at Yankee Stadium. Watch the run in the first inning market at 46c and 45c, the deepest pool on the board at about $30.1K, and whether the Yankees hold 57c into first pitch after ticking up 1c overnight.