Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
14% | 86% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
14% | 86% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| United States 1 - 1 Belgium | 14% |
| Any Other Score | 12% |
| United States 1 - 2 Belgium | 9% |
| United States 2 - 1 Belgium | 9% |
| United States 2 - 2 Belgium | 8% |
| United States 0 - 1 Belgium | 7% |
| United States 1 - 0 Belgium | 7% |
| United States 0 - 0 Belgium | 6% |
| United States 2 - 0 Belgium | 6% |
| United States 0 - 2 Belgium | 5% |
| United States 1 - 3 Belgium | 4% |
| United States 3 - 1 Belgium | 4% |
| United States 0 - 3 Belgium | 3% |
| United States 3 - 0 Belgium | 3% |
| United States 2 - 3 Belgium | 3% |
| United States 3 - 2 Belgium | 3% |
| United States 3 - 3 Belgium | 2% |
Market context
The upcoming FIFA World Cup Round of 16 clash between the United States and Belgium, scheduled for Monday evening at Lumen Field in Seattle, presents a high-stakes scenario where the on-chain contract resolves strictly on the 90-minute regulation score. This prediction market, currently implying a 6% probability for an "Exact Score" outcome, hinges on whether the match concludes with a specific tally before extra time or penalties are considered, with USDC settlement finalising once the settlement window closes in July 2026. The macro environment for BTC and ETH remains volatile, meaning whale flows into these crypto-prediction contracts often correlate with broader exchange funding rates, particularly when traditional betting odds from FanDuel and DraftKings suggest a highly uncertain contest with both sides listed at -110 to progress.
Historical precedents frame this low probability with stark realism, as the United States holds a poor record in this tournament round since 1994, having lost four times, including a decisive 2014 defeat against Belgium. Recent form further complicates the outlook, with Belgium blowing out the Americans 5-2 in a World Cup warm-up on March 28, 2026, exposing significant defensive frailties that make a specific exact score less likely than a "Any Other Score" resolution. AiScore data confirms Belgium's dominance in the head-to-head history, winning four of five games since 1930, while the Americans are positioned as underdogs for deeper runs, with odds of +320 to reach the quarterfinals against Spain, suggesting the market's 6% implied probability is a rational reflection of this defensive vulnerability.
Traders must monitor the final pre-match lineups and any late injury announcements, as the defensive alignment will be the primary catalyst determining whether the score deviates from the listed outcomes. Fox Sports recently highlighted this as a rare opportunity for the USA, yet the defensive difficulties exposed in the warm-up remain the critical dependency for the contract's settlement. With the settlement window ending on 7 July 2026, the contract's value will fluctuate alongside spot prices for BTC and ETH, where exchange funding rates often signal shifting sentiment in crypto-prediction markets. The absence of a clear defensive anchor for the US side, combined with Belgium's attacking prowess, suggests that the 6% probability is a conservative estimate, heavily influenced by the likelihood of a high-scoring, unpredictable affair that rarely resolves to a single exact figure.
Methodology
This page reads United States vs. Belgium - Exact Score on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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