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Kansas City Royals vs. Colorado Rockies

How the prediction market is pricing "Kansas City Royals vs. Colorado Rockies" right now — Polymarket mid plus comparison with Betfair and Manifold.

1st 5 Innings O/U 2.5 90% 1st 5 Innings O/U 3.5 80% 1st 5 Innings O/U 4.5 70% NRFI 59% Volume: $85K Liquidity: $1.6M Closes: 9 Aug 2026
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Kansas City Royals vs. Colorado Rockies

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via World Cup 2026 Favorites) Pick
polygram.ink (preferred broker)
90% 10% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Trade this market →
Polymarket (direct)
polymarket.com
90% 10% 0% Geo-blocked in US/UK/EU USDC, on-chain Trade this market →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Trade this market →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Trade this market →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Trade this market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

OutcomeProbability
1st 5 Innings O/U 2.590%
1st 5 Innings O/U 3.580%
1st 5 Innings O/U 4.570%
NRFI59%
1st 5 Innings O/U 5.559%
O/U 11.551%
1st 5 Innings O/U 6.549%
Kansas City Royals vs. Colorado Rockies46%
O/U 12.545%
Spread -1.539%
Spread -1.537%
O/U 13.537%
1st 5 Innings Spread -1.536%
1st 5 Innings Spread -1.531%
Spread -2.530%
Spread -2.528%
Extra Innings8%

Market context

Kansas City’s trip to Coors Field comes with the market sitting near a coin flip, which fits a matchup between two underperforming clubs rather than a clear favourite. The Royals have looked materially steadier over the last 10 games, with a 5-5 stretch and a 2.74 team ERA, while Colorado has gone 3-7 with a 6.27 ERA and has been outscored by 24 runs in that span.[9] Head-to-head history also leans Kansas City: the Royals have won seven of the last eight meetings in the matchup data shown by 365Scores, and they have taken recent series games in Denver and Kansas City across the last two seasons.[12][11]

The recent form context matters because the price is being set after a low-scoring Rockies win on Friday, when Colorado beat Kansas City 3-1 behind Tomoyuki Sugano’s 6 2/3 innings and a hail delay that pushed the start back an hour.[7] ESPN’s series listing shows this is the second game of a three-game set, so the market will be sensitive to any line-up rest decisions, bullpen usage from Friday, and whether either club makes a late change after the opener.[5] Recent box-score and preview pages also show Kansas City entering with a poor road record but better short-term pitching results, which is the main reason a sub-50% Royals price is still plausible despite Colorado’s home field.[6][20]

Traders should watch official line-ups, the announced starters, and any weather or delay risk at Coors Field, because the park has already shown it can affect timing in this series.[7] Player availability is more relevant on the Rockies side, where the injury lists in recent matchup coverage include several pitchers on the injured list and Kris Bryant still absent, limiting Colorado’s margin for error if the offence cools again.[9] For Kansas City, Vinnie Pasquantino’s recent bat has been one of the few positive signals noted in preview coverage, while Colorado’s offence has been uneven even during its better home stretches.[9][20]

Sources: 1 · 2 · 3 · 4 · 5

Live Data & Statistics

The Polymarket order book prices 1st 5 Innings O/U 2.5 at 90% for "Kansas City Royals vs. Colorado Rockies".

1st 5 Innings O/U 2.5 90% Other 10%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $85K.

Methodology

Football-specific comparison page for Kansas City Royals vs. Colorado Rockies. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi (US-focused) or Manifold (play-money).

Resolution & payout

Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.

FAQ

Can I bet on individual matches?
Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
Which sports markets are available?
Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
How fast do sports winnings settle?
Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
What's the difference between match odds and outright odds?
Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
Can I import form data and lineups?
This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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