Spread: Arizona Diamondbacks (-1.5)
What resolves this contract
In the upcoming MLB game between the Arizona Diamondbacks and Kansas City Royals, scheduled for September 9 at 7:40 PM ET: This market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks win the game by 2 or more runs. Otherwise, this market will resolve to "Kansas City Royals". If the game ends in a tie, this market will resolve to "Kansas City Royals". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played,
How to read the price
Prediction market prices are expressed in cents on the dollar. A YES contract trading at 39¢ means the market is pricing in a 39.5% implied probability of the event resolving YES. If resolution comes back YES, the contract pays $1. If NO, it pays $0.
Volume vs. open interest
Total traded volume ($9,595) reflects every buy and sell across the life of this contract. Open interest ($215,698) is the dollar value of positions currently held by traders. Deep liquidity and wide open interest are the two signals that the quoted price is reliable.
Where to trade this market
This contract is listed on Polymarket. PicksByOdds does not accept deposits, execute trades, or offer brokerage. We publish the data; you decide what to do with it.
Markets in the same story
| Market | YES | Volume |
|---|---|---|
| Will Lovable be acquired before 2027? | 10¢ | $981,190 |
| Will Mohammed bin Salman cease to be the de facto leader of Saudi Arabia by December 31, 2026? | 3¢ | $99,671 |
| Will Loopscale launch a token by December 31, 2026? | 13¢ | $99,475 |
Common questions about this market
How is this market resolved?
In the upcoming MLB game between the Arizona Diamondbacks and Kansas City Royals, scheduled for September 9 at 7:40 PM ET: This market will resolve to "Arizona Diamondbacks" if the Arizona Diamondbacks win the game by 2 or more runs. Otherwise, this market will resolve to "Kansas City Royals". If the game ends in a tie, this market will resolve to "Kansas City Royals". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. To know when a postponed game will be played,
When does this contract expire?
This contract closes on 2026-09-09. After close, the final outcome is determined per the resolution rules above, and contracts settle at $1 (winning side) or $0 (losing side).
What happens if I buy YES at 39¢?
If the event resolves YES, each YES contract pays $1, a profit of 60¢ per dollar risked. If it resolves NO, the contract pays $0 and the full 39¢ is lost. Current market price implies a 39.5% probability of YES.
Where is this market listed?
This contract is listed on Polymarket. PicksByOdds aggregates and displays public market data; we do not broker trades or custody funds.
How reliable is the quoted price?
This market has $9,595 in total traded volume and $215,698 in open interest. Deeper liquidity generally means tighter spreads and more reliable implied probabilities. Prices refresh multiple times per day.