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Live prediction market odds for Athletics vs. Kansas City Royals (7:40 PM ET). Compare prices across Kalshi and Polymarket US and Polymarket and ProphetX.

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MARKET RESOLVEDKalshi / Polymarket US / Polymarket / ProphetX

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Kansas City Royals Wins: Athletics vs. Kansas City Royals (7:40 PM ET)

MLB·Resolved 2026-08-19

This market resolved on 2026-08-19. Kansas City Royals was the officially declared outcome. Prior to resolution, the market peaked at 99%.

About This Market

Athletics vs.

Athletics vs. Kansas City Royals (7:40 PM ET) — MLB game held on 2026-08-19. Review the historical prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.

Price History

Multi-Platform Probabilities
Loading 30D data…

Final Closing Odds

4 platforms
Candidate
Kalshi
Polymarket US
Polymarket
ProphetX
Zack Gelof Under 1.5 Home Runs
——100%—
Seth Lugo Over 2.5 Strikeouts
99%—100%—
Donovan Walton Under 1.5 Home Runs
——99%—
Jonah Heim Under 1.5 Home Runs
——99%—
Bobby Witt Jr. Over 0.5 Hits + Runs + RBIs
99%———
Henry Bolte Under 0.5 Home Runs
———99%
Jeff McNeil Under 0.5 Home Runs
———99%
Kyle Isbel Under 0.5 Home Runs
———99%
Lawrence Butler Under 0.5 Home Runs
———99%
Nick Loftin Under 0.5 Home Runs
———99%
Over 11.5 runs scored
99%———
Over 12.5 runs scored
99%———
Over 13.5 runs scored
99%———
Over 3.5 runs scored
99%———
Over 4.5 runs scored
99%———
Over 5.5 runs scored
99%———
Over 6.5 runs scored
99%———
Seth Lugo Over 1.5 Strikeouts
99%———
Tommy White Under 0.5 Home Runs
———99%
Vinnie Pasquantino Over 0.5 Hits + Runs + RBIs
99%———
Vinnie Pasquantino Over 2.5 Hits + Runs + RBIs
99%———
Vinnie Pasquantino Over 3.5 Hits + Runs + RBIs
99%———
Vinnie Pasquantino Over 4.5 Hits + Runs + RBIs
99%———
Carlos Cortes Under 0.5 Home Runs
———99%
Carter Jensen Under 0.5 Home Runs
———99%
Maikel Garcia Under 0.5 Home Runs
———99%
Salvador Perez Under 0.5 Home Runs
———99%
Tyler Tolbert Under 0.5 Home Runs
———99%
Vinnie Pasquantino Under 0.5 Home Runs
———99%
Donovan Walton Under 0.5 Home Runs
——98%99%
Bobby Witt Jr. Under 0.5 Home Runs
———98%
Zack Gelof Under 0.5 Home Runs
——97%99%
Jac Caglianone Under 0.5 Home Runs
———97%
Seth Lugo Under 5.5 Strikeouts
———97%
Jonah Heim Under 0.5 Home Runs
——98%92%
Michael Massey Under 0.5 Home Runs
———92%
Kansas City Royals spread plus 1.5
——0%89%
Kansas City Royals spread plus 2.5
——0%87%
Total over 10.5
99%——84%
Total over 8.5
99%—100%74%
Alika Williams Under 1.5 Hits + Runs + RBIs
———72%
Tyler Tolbert Under 0.5 Hits + Runs + RBIs
———70%
Jonah Heim Under 1.5 Hits + Runs + RBIs
———68%
Carter Jensen Under 1.5 Hits + Runs + RBIs
———66%
Donovan Walton Under 1.5 Hits + Runs + RBIs
———66%
Tyler Tolbert Under 1.5 Hits + Runs + RBIs
———66%
Jeffrey Springs Over 2.5 Strikeouts
———65%
Bobby Witt Jr. Under 1.5 Hits + Runs + RBIs
———65%
Salvador Perez Under 1.5 Hits + Runs + RBIs
———65%
Alika Williams Over 0.5 Hits + Runs + RBIs
———63%
Total over 9.5
99%—100%63%
Total under 9.0
———62%
Total over 7.5
99%—100%62%
Jeffrey Springs Under 3.5 Strikeouts
———62%
Donovan Walton Over 0.5 Hits + Runs + RBIs
———61%
Seth Lugo Under 4.5 Strikeouts
——1%61%
Nick Loftin Under 1.5 Hits + Runs + RBIs
———60%
Bobby Witt Jr. Under 2.5 Hits + Runs + RBIs
———59%
Jac Caglianone Under 2.5 Hits + Runs + RBIs
———59%
Maikel Garcia Under 1.5 Hits + Runs + RBIs
———59%
Michael Massey Under 1.5 Hits + Runs + RBIs
———58%
Donovan Walton Under 0.5 Hits + Runs + RBIs
———57%
Jac Caglianone Over 1.5 Hits + Runs + RBIs
———57%
Tommy White Under 1.5 Hits + Runs + RBIs
———57%
Zack Gelof Under 1.5 Hits + Runs + RBIs
———57%
Lawrence Butler Under 1.5 Hits + Runs + RBIs
———56%
Carlos Cortes Over 1.5 Hits + Runs + RBIs
———55%
Carlos Cortes Under 1.5 Hits + Runs + RBIs
———55%
Lawrence Butler Over 1.5 Hits + Runs + RBIs
———55%
Kyle Isbel Under 1.5 Hits + Runs + RBIs
———55%
Jac Caglianone Under 1.5 Hits + Runs + RBIs
———54%
Tommy White Over 1.5 Hits + Runs + RBIs
———54%
Vinnie Pasquantino Under 1.5 Hits + Runs + RBIs
———54%
Zack Gelof Over 1.5 Hits + Runs + RBIs
———54%
Kansas City Royals spread minus 1.5
99%—70%38%
Henry Bolte Over 1.5 Hits + Runs + RBIs
———54%
Total under 8.0
———54%
Jeff McNeil Over 1.5 Hits + Runs + RBIs
———53%
Maikel Garcia Over 1.5 Hits + Runs + RBIs
———52%
Total over 8.0
———52%
Henry Bolte Under 1.5 Hits + Runs + RBIs
———52%
Michael Massey Over 1.5 Hits + Runs + RBIs
———51%
Jeff McNeil Under 1.5 Hits + Runs + RBIs
———51%
Nick Loftin Over 1.5 Hits + Runs + RBIs
———50%
Bobby Witt Jr. Over 2.5 Hits + Runs + RBIs
1%——50%
Jac Caglianone Over 2.5 Hits + Runs + RBIs
———50%
Tyler Tolbert Over 0.5 Hits + Runs + RBIs
———49%
Kyle Isbel Over 0.5 Hits + Runs + RBIs
———48%
Salvador Perez Over 1.5 Hits + Runs + RBIs
———47%
Vinnie Pasquantino Over 1.5 Hits + Runs + RBIs
99%——47%
Carter Jensen Over 1.5 Hits + Runs + RBIs
———46%
Donovan Walton Over 1.5 Hits + Runs + RBIs
———46%
Tyler Tolbert Over 1.5 Hits + Runs + RBIs
———46%
Kansas City RoyalsWINNER
99%100%45%100%
Jonah Heim Over 1.5 Hits + Runs + RBIs
———45%
Alika Williams Under 0.5 Hits + Runs + RBIs
———45%
Seth Lugo Over 4.5 Strikeouts
1%—99%44%
Total over 9.0
———44%
Alika Williams Over 1.5 Hits + Runs + RBIs
———44%
Jeffrey Springs Under 2.5 Strikeouts
———43%
Jeffrey Springs Over 3.5 Strikeouts
———42%
Total under 11.5
———41%
Total under 9.5
——0%41%
Seth Lugo Over 5.5 Strikeouts
1%——39%
Athletics spread plus 1.5
——4%66%
Kyle Isbel Over 1.5 Hits + Runs + RBIs
———31%
Total under 8.5
——100%31%
Athletics
1%1%56%2%
Bobby Witt Jr. Over 1.5 Hits + Runs + RBIs
2%——47%
Bobby Witt Jr. Over 0.5 Home Runs
34%——10%
Total under 10.5
———20%
Athletics spread minus 2.5
1%—0%17%
Athletics spread minus 1.5
1%—0%16%
Jac Caglianone Over 0.5 Home Runs
———11%
Michael Massey Over 0.5 Home Runs
———11%
Carter Jensen Over 0.5 Home Runs
———10%
Lawrence Butler Over 0.5 Home Runs
———10%
Maikel Garcia Over 0.5 Home Runs
———10%
Carlos Cortes Over 0.5 Home Runs
———9%
Vinnie Pasquantino Over 0.5 Home Runs
99%——9%
Salvador Perez Over 0.5 Home Runs
———7%
Tyler Tolbert Over 0.5 Home Runs
———7%
Jonah Heim Over 0.5 Home Runs
——2%11%
Henry Bolte Over 0.5 Home Runs
———6%
Kyle Isbel Over 0.5 Home Runs
———6%
Tommy White Over 0.5 Home Runs
———6%
Donovan Walton Over 0.5 Home Runs
——3%8%
Nick Loftin Over 0.5 Home Runs
———5%
Jeff McNeil Over 0.5 Home Runs
———4%
Zack Gelof Over 0.5 Home Runs
——3%5%
Bobby Witt Jr. Over 1.5 Home Runs
4%———
Vinnie Pasquantino Over 1.5 Home Runs
3%———
Bobby Witt Jr. Over 3.5 Hits + Runs + RBIs
2%———
Bobby Witt Jr. Over 4.5 Hits + Runs + RBIs
2%———
A's wins by over 3.5 runs
1%———
Kansas City wins by over 3.5 runs
1%———
Seth Lugo Over 6.5 Strikeouts
1%———
Seth Lugo Over 7.5 Strikeouts
1%———
Seth Lugo Over 8.5 Strikeouts
1%———
Seth Lugo Under 2.5 Strikeouts
——1%—
Seth Lugo Under 3.5 Strikeouts
——1%—
Donovan Walton Over 1.5 Home Runs
——1%—
Jonah Heim Over 1.5 Home Runs
——1%—
Kansas City Royals spread minus 2.5
1%—0%—
Zack Gelof Over 1.5 Home Runs
——0%—
Athletics spread plus 2.5
——0%—
Total under 7.5
——0%—
Seth Lugo Over 3.5 Strikeouts
1%—99%—

Resolution Oracles

KalshiKalshi
Kalshi Rules
PolymarketPolymarket
UMA Optimistic OracleConsensus of Sources
ProphetXProphetX
ProphetX Rules
Read Full Market Rulebooks
Stats
Spread55.5%
Platforms4
Candidates2
Winner

Kansas City Royals

85.8% avg

Market RulebooksOfficial settlement criteria and edge cases

Market Rulebook: Athletics vs. Kansas City Royals (7:40 PM ET)

Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket and Polymarket US and ProphetX.

KalshiKalshi
Primary Rule

If Kansas City wins the A's vs Kansas City professional baseball game originally scheduled for Aug 19, 2026 at 7:40 PM EDT, then the market resolves to Yes.

Edge Cases

The following market refers to the A's vs Kansas City professional baseball game originally scheduled for Aug 19, 2026 at 7:40 PM EDT. If this game is postponed or delayed, the market will remain open and close after the rescheduled game has finished (within two days). If the game is cancelled or rescheduled to over two days away, the market will resolve to a fair price in accordance with the rules. Kalshi is not affiliated, associated, authorized, endorsed by, or in any way officially connected with the Governing League. All trademarks, logos, and brand names are the property of their respective owners.

Resolution Oracles
Kalshi Rules
PolymarketPolymarket
Primary Rule

In the upcoming MLB game between the Athletics and Kansas City Royals, scheduled for August 19 at 7:40PM ET: This market will resolve to "Athletics" if the Athletics win the game. This market will resolve to "Kansas City Royals" if the Kansas City Royals win the game. 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, or ends in a tie, this market will resolve 50-50. The primary resolution source for this market is the official final statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 24 hours after the event's conclusion, a consensus of credible reporting may be used instead.

Resolution Oracles
UMA Optimistic OracleConsensus of Sources
Polymarket USPolymarket US
Primary Rule

This market will settle to the winner of the Athletics vs Kansas City Royals MLB game scheduled for 2026-08-19 at 7:40PM ET. Extra innings are included if played. If the game is delayed, postponed, or suspended and not rescheduled to a date within two weeks of the originally scheduled date, the market will settle to the last fair market price. Outcome sourced from MLB.

ProphetXProphetX
Primary Rule

Sports moneyline - resolves based on official game outcome per ProphetX Prediction Rules

Resolution Oracles
ProphetX Rules

Frequently Asked Questions

What does the Athletics vs. Kansas City Royals (7:40 PM ET) prediction market track?

The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, Polymarket, ProphetX in one place. Each price reflects the market’s implied probability, not a guaranteed result. This event is archived; prices shown are historical.

What were the last available Athletics vs. Kansas City Royals (7:40 PM ET) odds?

The last available prices are Kansas City Royals: 99.0¢ on Kalshi, 45.0¢ on Polymarket, 99.5¢ on ProphetX, 99.5¢ on Polymarket US; Athletics: 1.0¢ on Kalshi, 56.0¢ on Polymarket, 2.0¢ on ProphetX, 0.5¢ on Polymarket US. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity. The last available price is not necessarily the final settlement price.

Why do Athletics vs. Kansas City Royals (7:40 PM ET) odds vary across prediction markets?

The largest price difference shown across venues is 55.5 percentage points. Venues have different traders, liquidity and fees, so their prices can differ. A price gap alone does not establish an executable arbitrage opportunity; compare settlement rules and the actual buy and sell prices.

How do Athletics vs. Kansas City Royals (7:40 PM ET) prediction market payouts work?

For example, Kansas City Royals at 85.8¢ implies about a 85.8% chance. For a standard $1 contract, a share pays $1 if its outcome settles as correct and $0 if it settles as incorrect. A winning share bought at 40¢ earns 60¢ before fees. Check each venue’s settlement rules, fees and eligibility before trading. Historical prices alone do not identify the winning outcome.

Learn more:How to Read Prediction Market PricesCompare Fees Before You TradeNew to Polymarket?

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Final odds
No price history available