Philadelphia Phillies vs. Detroit Tigers

Platform comparison

Market context

A Major League Baseball game between the Philadelphia Phillies and Detroit Tigers is set for 6:40pm ET at Comerica Park in Detroit, with the outcome determining whether a YES share on the Phillies resolves as true. In prediction markets, a YES share pays out if the selected event occurs, while a NO share pays out if it does not; here, the crowd currently prices a Phillies win at 49%, implying a near-even contest.

Historical betting data for this matchup shows the Tigers favoured by numberFire at 59.1% for a win, while ESPN’s live model assigns them a 59.6% probability, suggesting the market’s 49% Phillies price may be slightly conservative relative to analytical models [1][2]. The Phillies hold a 52–42 record this season compared to the Tigers’ 43–50, yet the Tigers’ home advantage at Comerica Park and Aaron Nola’s 1.38 ERA in five career starts against Detroit add nuance to the win probability [2][4].

Traders should monitor the starting pitchers’ confirmed lineups and any late-injury updates before the game, as pitching performance heavily influences MLB outcomes. Jack Flaherty, pitching for the Tigers, has not allowed a run in recent outings against the Phillies, a key catalyst that could shift probabilities if confirmed [4][5]. The over/under is set at 8.5 runs, with the over favoured at -124, indicating expectations for a high-scoring game that could increase volatility in the final result [1].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Philadelphia Phillies vs. Detroit Tigers across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.