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 |
|---|---|
| Portugal 1 - 1 Croatia | 14% |
| Portugal 1 - 0 Croatia | 12% |
| Portugal 2 - 1 Croatia | 12% |
| Portugal 2 - 0 Croatia | 10% |
| Any Other Score | 9% |
| Portugal 0 - 0 Croatia | 8% |
| Portugal 0 - 1 Croatia | 6% |
| Portugal 1 - 2 Croatia | 6% |
| Portugal 3 - 0 Croatia | 6% |
| Portugal 2 - 2 Croatia | 6% |
| Portugal 3 - 1 Croatia | 6% |
| Portugal 3 - 2 Croatia | 4% |
| Portugal 0 - 2 Croatia | 2% |
| Portugal 1 - 3 Croatia | 2% |
| Portugal 2 - 3 Croatia | 2% |
| Portugal 0 - 3 Croatia | 1% |
| Portugal 3 - 3 Croatia | 1% |
Market context
Portugal and Croatia face off in a 2026 FIFA World Cup Round of 32 knockout match on 2 July at 7:00 PM ET, with the market betting on the exact final score after 90 minutes plus stoppage time, excluding extra time and penalties. The crowd-implied probability for a specific listed outcome sits at 8% YES, reflecting the difficulty of predicting an exact scoreline in a high-stakes international fixture where defensive rigidity often dominates.
Historically, Portugal holds a commanding edge against Croatia, having won seven of their ten previous encounters while Croatia secured just one victory and two matches ended level[1][5]. In recent World Cup knockout contexts, exact scores like 1–0 or 2–1 have been rare, with draws and narrow margins more common; the current betting odds show Portugal as favourites at –125, Croatia at +400, and a draw at +260 for 90 minutes[2]. This historical dominance and the wide spread suggest that any exact score prediction must account for Portugal’s likely control, yet the low 8% probability underscores the volatility inherent in such precise outcomes.
Traders should monitor Portugal’s pre-match training reports and any late squad announcements, as fitness levels of key attackers could shift the goal-scoring dynamic[8]. Additionally, watch for real-time funding rates on BTC and ETH, as macro crypto volatility often correlates with speculative flows into prediction markets, particularly those settled in USDC on-chain[3]. A sudden spike in whale activity on crypto exchanges or a shift in exchange spot prices for major assets may signal increased liquidity entering this contract, potentially altering the implied probability before the settlement window closes at 23:00:00Z on 2 July.
Methodology
This page reads Portugal vs. Croatia - 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.
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- 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.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- 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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