Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| CA Mineiro 2nd Half O/U 0.5 | 100% |
| CA Mineiro O/U 0.5 | 99% |
| CA Mineiro (-1.5) | 1% |
| EC Juventude O/U 0.5 | 1% |
| EC Juventude O/U 1.5 | 1% |
| EC Juventude O/U 2.5 | 1% |
| CA Mineiro O/U 1.5 | 1% |
| CA Mineiro O/U 2.5 | 1% |
| EC Juventude 1st Half O/U 0.5 | 1% |
| EC Juventude 1st Half O/U 1.5 | 1% |
| CA Mineiro 1st Half O/U 0.5 | 1% |
| CA Mineiro 1st Half O/U 1.5 | 1% |
| Both Teams to Score in Second Half | 1% |
| 2nd Half O/U 1.5 | 1% |
| 2nd Half O/U 2.5 | 1% |
| EC Juventude 2nd Half O/U 0.5 | 1% |
| EC Juventude 2nd Half O/U 1.5 | 1% |
| CA Mineiro 2nd Half O/U 1.5 | 1% |
| EC Juventude (-1.5) | 0% |
| EC Juventude (-2.5) | 0% |
| CA Mineiro (-2.5) | 0% |
| O/U 1.5 | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
Market context
Juventude’s Copa do Brasil tie with Atlético Mineiro went to the second leg level after a 0-0 first game, so the market is really pricing the probability of an extra event being added by the wider “more markets” list rather than a simple winner-only outcome. Head-to-head results over the last nine meetings have favoured Atlético Mineiro, who have won six, with one draw and two Juventude wins, which is the kind of pattern that usually keeps ancillary match markets anchored towards the stronger side even when the first leg has been tight.[2][5]
The current 0% YES crowd price means the contract has been treated as effectively dead or already resolved against the positive outcome, so the only live relevance now is whether the market mechanics, settlement data, or oracle timing were handled cleanly on chain before the 2026-08-04 22:30:00Z window closed. For traders reading the event context rather than the settled outcome, the main catalysts were the scheduled kick-off, any official team-news or competition updates before the match, and whether the first-leg stalemate kept total-goals and qualification-style side markets compressed; recent previews described Atlético Mineiro as slight favourites, with a draw still a material possibility because Juventude had held them scoreless in the opener.[2][7]
For a crypto-native market, the broader backdrop matters mainly through USDC liquidity and any move in BTC or ETH that shifts appetite for short-dated event risk, but no direct on-chain stress signal is needed to explain this contract’s pricing. If BTC or ETH were volatile around settlement, that would matter more for cross-market positioning and collateral flows than for the football result itself; in practice, traders would watch whether large wallet activity or exchange funding stayed stable into the close, but the underlying driver remains the match state and the market’s settlement rules, not the coin tape.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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.
- 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.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
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