| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
â–¶Royals | +1.5 58% | O 9.5 44% | 42%42% | 42% Kalshi |
â–¶Orioles | -1.5 42% | U 9.5 56% | 59%59% | 59% Kalshi |
| Spread | Total | Moneyline | Best ML | |
|---|---|---|---|---|
â–¶Kansas City Royals | +1.5 | O 9.5 | 42% Kalshi | |
â–¶Baltimore Orioles | -1.5 | U 9.5 | 59% Kalshi |
The Baltimore Orioles are the 59c home favorite against the Kansas City Royals (41c Kalshi, 42c Polymarket), and both books agree to the cent on the favorite. Baltimore (44-51) hosts Kansas City (38-57) at Oriole Park at Camden Yards, with Kyle Bradish (5-9, 3.75 ERA) opposing Noah Cameron (5-6, 4.77 ERA). First pitch is 7:05 PM ET on July 11, 2026, and the moneyline has held flat at 59c on the day.
The Baltimore Orioles open as the 59c home favorite over the Kansas City Royals, and the two books are locked together: Kalshi and Polymarket both price Baltimore at 59c, with the Royals at 41c on Kalshi and 42c on Polymarket. That 59c line translates to a 59% implied probability, and it has not moved on the day, holding at 59c on Kalshi from open to first pitch. This is a matchup of two sub-.500 clubs, Baltimore at 44-51 and Kansas City at 38-57, meeting at Oriole Park at Camden Yards with a 7:05 PM ET start on July 11, 2026.
The home mark is doing the work in the Royals vs Orioles price. Baltimore is 26-25 at Camden Yards, while Kansas City carries a 17-31 road record, the kind of split that supports a home favorite even between two losing teams. The 59c number is modest for a favorite, and the run line reflects that: Baltimore -1.5 trades at 42c on Polymarket, a 17c discount to the straight 59c moneyline, which prices in how often a one-run game denies the favorite the cover. There is no cross-platform edge to exploit on the moneyline here. The 1c gap on the Royals side (41c Kalshi, 42c Polymarket) sits inside the noise, and the favorite is identical at 59c on both venues, so the market is efficient on this game rather than offering a Kalshi-versus-Polymarket split.
The pitching matchup frames the Royals vs Orioles total. Baltimore sends Kyle Bradish (5-9, 3.75 ERA), whose nine losses rank among the most in the league even as his ERA sits in the mid-3s, against Kansas City's Noah Cameron (5-6, 4.77 ERA). Bradish is the stronger arm by run prevention, a full run of ERA ahead of Cameron, which lines up with Baltimore being the favorite. The total sits at 9.5 runs, and the over trades at 45c on Polymarket, meaning the market leans under, consistent with a Bradish start at Camden Yards. Kansas City has to travel with a 38-57 record and a 17-31 road split, the weaker road number in this matchup. Baltimore at 44-51 is the more balanced team on paper, and the flat 59c line says the market sees the Orioles as the deserved side without treating them as a heavy favorite.
The Royals vs Orioles market resolves when the game goes final at Oriole Park at Camden Yards on July 11, 2026, with first pitch at 7:05 PM ET. The moneyline settles on the winner, the run line (Orioles -1.5) settles on the final margin, and the total settles on combined runs scored. A postponement or suspension pushes settlement to each platform's rescheduled-game rules, and contracts void or roll if the game does not reach an official result.
This game sits inside a busy Baltimore stretch: the previous meeting on July 10 opened the series. Both clubs also trade as season-long futures. Baltimore's playoff odds live on the Orioles make-playoffs market and Kansas City's on the Royals make-playoffs market, while the AL East division market and the AL pennant market track the broader race. For team pages, see the Baltimore Orioles hub and the Kansas City Royals hub, or browse the full MLB schedule.
The market resolves to the team that wins the game at Oriole Park at Camden Yards, with first pitch scheduled for 7:05 PM ET on July 11, 2026. The moneyline pays out on the final score once the game goes official, the run line (Orioles -1.5) settles on the winning margin, and the total (9.5 runs) settles on combined runs scored. If the game is postponed or suspended, the contracts settle per each platform's rules for rescheduled or shortened games, and Kalshi and Polymarket void or roll positions when a game does not reach an official result.
As of July 11, 2026, the Baltimore Orioles are the 59c favorite (59c on Kalshi, 59c on Polymarket) and the Kansas City Royals sit at 41c on Kalshi and 42c on Polymarket.
Baltimore is favored at 59c, a 59% implied probability, playing at home at Oriole Park at Camden Yards against a Royals team that is 17-31 on the road.
Both Kalshi and Polymarket list the game, and they agree to the cent on the favorite at 59c, so there is no cross-platform arbitrage on the moneyline.
It resolves once the game goes final at Camden Yards, with first pitch at 7:05 PM ET on July 11, 2026. The moneyline settles on the winner and the total on combined runs.
Watch the pitching, Kyle Bradish (3.75 ERA) versus Noah Cameron (4.77 ERA), whether the flat 59c Orioles line moves, and the under on the 9.5-run total priced at 45c to the over.