Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| CR Flamengo O/U 1.5 | 100% |
| CR Flamengo O/U 2.5 | 100% |
| CR Flamengo 1st Half O/U 1.5 | 100% |
| CR Flamengo O/U 0.5 | 99% |
| CR Flamengo 1st Half O/U 0.5 | 99% |
| 2nd Half O/U 0.5 | 99% |
| CR Flamengo 2nd Half O/U 0.5 | 99% |
| CR Flamengo (-1.5) | 98% |
| CR Flamengo (-2.5) | 85% |
| Both Teams to Score in Second Half | 51% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Associação Chapecoense de Futebol 2nd Half O/U 0.5 | 50% |
| Associação Chapecoense de Futebol 2nd Half O/U 1.5 | 50% |
| CR Flamengo 2nd Half O/U 1.5 | 50% |
| O/U 3.5 | 43% |
| Both Teams to Score | 20% |
| Associação Chapecoense de Futebol O/U 0.5 | 20% |
| O/U 4.5 | 13% |
| O/U 5.5 | 13% |
| Associação Chapecoense de Futebol O/U 1.5 | 7% |
| Associação Chapecoense de Futebol O/U 2.5 | 4% |
| Associação Chapecoense de Futebol 1st Half O/U 0.5 | 1% |
| Associação Chapecoense de Futebol 1st Half O/U 1.5 | 1% |
| Associação Chapecoense de Futebol (-1.5) | 0% |
| Associação Chapecoense de Futebol (-2.5) | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 2.5 | 0% |
Market context
Chapecoense host Flamengo in a Brasileirão Série A match at Arena Condá, with the market’s **0% YES** implying traders see the listed “more markets” outcome as effectively unavailable unless a late definition change or settlement quirk appears. The fixture itself is the 19th round, and third-party listings place kick-off around 21:30 Brasília time on 22 July, which corresponds to 00:30 GMT on 23 July; that timing matters because prediction-market settlement is keyed to the event window rather than the headline fixture alone.[1][7][8]
For historical framing, Flamengo have been the stronger side in this matchup over a longer sample, with FootyStats showing 11 Flamengo wins and 2 Chapecoense wins across 16 meetings, while Polymarket’s related match market priced Flamengo’s outright win around 65.5% before kick-off.[2][5] For a power-user running this programmatically, the useful read is not the scoreline but the dependency chain: markets tied to *more markets* often inherit their behaviour from how the platform classifies final stats, player listings, cards, corners, or other sub-events, so the relevant comparator is whether similar Brazil Série A fixtures have resolved from official match data without manual override.
The main catalysts are pre-match and in-play operational updates: starting XIs, postponement risk, broadcast or feed availability, and any change to the official match page that could alter what the platform recognises for settlement.[1][8] A trader automating entries, conditional orders, or copy-trading would watch for lineup release, referee and venue confirmation, and any platform-side metadata updates close to kick-off, because those are the points where a supposedly dead 0% market can still move if the underlying market definition is broader than the apparent fixture result.[1][2]
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- 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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