United States vs. Senegal

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Market context

The United States men's national team will face Senegal in a FIFA International Friendly on 31 May 2026, a fixture scheduled during the post-Copa América window when most squads rotate personnel ahead of domestic seasons. The 100% implied probability reflects the market's assessment that this match will occur as scheduled, with settlement contingent on the game taking place rather than on any particular outcome.

The US has faced Senegal twice in competitive settings: a 2-1 victory in the 2018 World Cup group stage and a 2-2 draw in a 2021 friendly. Historical precedent suggests friendlies between established federations rarely cancel absent extraordinary circumstances—diplomatic incidents, natural disasters, or security threats. The fixture's classification as a non-competitive friendly reduces fixture congestion pressures that sometimes force postponements in qualifying campaigns, making completion more likely than cancellation.

Traders should monitor squad announcements from both federations in late May, particularly any late withdrawals from the US roster due to club commitments or injury. Senegal's participation depends partly on their domestic league calendar and whether key players remain available after African club competitions conclude. Recent reporting from ESPN and the US Soccer Federation website will clarify final team sheets. Weather conditions in the scheduled venue—typically a neutral ground in the United States—present minimal disruption risk. The primary watch point remains whether either federation opts to reschedule due to player availability rather than outright cancellation, which would still satisfy settlement conditions if the match occurs within the stated window.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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?

Sport Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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 it cost to trade on Sport Prediction?

Zero. Sport Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.