Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| Mexico | 100% YES | 0% NO |
| Draw (Mexico vs. Ghana) | 0% YES | 100% NO |
| Ghana | 0% YES | 100% NO |
Market context
Mexico and Ghana are scheduled to contest a FIFA International Friendly on 22 May 2026, with the match forming part of pre-tournament preparation ahead of the 2026 World Cup. The prediction market currently reflects 100% implied probability for the match occurring as scheduled, suggesting traders view the fixture as certain to proceed.
Historical precedent offers limited direct comparison; Mexico–Ghana friendlies are infrequent at senior level, though both nations regularly participate in pre-World Cup warm-up matches without cancellation. More relevant are broader patterns around FIFA International Friendlies in May 2026: these fixtures typically proceed unless affected by squad availability crises, diplomatic incidents, or force majeure. Mexico's domestic league (Liga MX) concludes its Clausura tournament in late April, whilst Ghana's Premier League runs through May, creating potential fixture congestion that could theoretically affect squad release. Neither nation has a recent history of friendly cancellations due to administrative or political factors.
Traders monitoring this contract should track official squad announcements from both federations, typically released 7–10 days before matches, and any injury updates affecting key players. Venue confirmation remains relevant; whilst no alternative host has been reported, late changes to friendly fixtures occasionally occur when stadium availability shifts. Currency movements and travel logistics affecting either delegation warrant observation, though such disruptions rarely prevent friendlies from proceeding. The settlement window closes 23 May at 02:00 UTC, allowing approximately 24 hours post-match for official confirmation.
Methodology
We track Mexico vs. Ghana on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- 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's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in 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.
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