Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
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% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| Cardiff City FC O/U 0.5 | 100% |
| Wrexham AFC O/U 0.5 | 100% |
| Wrexham AFC 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Cardiff City FC 2nd Half O/U 0.5 | 100% |
| Cardiff City FC (-1.5) | 0% |
| Wrexham AFC (-1.5) | 0% |
| Cardiff City FC (-2.5) | 0% |
| Wrexham AFC (-2.5) | 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 in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Cardiff City FC O/U 1.5 | 0% |
| Cardiff City FC O/U 2.5 | 0% |
| Wrexham AFC O/U 1.5 | 0% |
| Wrexham AFC O/U 2.5 | 0% |
| Cardiff City FC 1st Half O/U 0.5 | 0% |
| Cardiff City FC 1st Half O/U 1.5 | 0% |
| Wrexham AFC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Cardiff City FC 2nd Half O/U 1.5 | 0% |
| Wrexham AFC 2nd Half O/U 0.5 | 0% |
| Wrexham AFC 2nd Half O/U 1.5 | 0% |
Market context
Cardiff City and Wrexham AFC will meet in the EFL Championship on 17 August 2026, with the match kicking off at 3:00 PM ET. The current Polymarket pricing shows 0% implied probability for the "More Markets" contract, reflecting either minimal trading volume, a settlement condition that traders view as unlikely to trigger, or insufficient liquidity on Polygon to establish a meaningful price. USDC denominated positions and conditional token mechanics mean any shift in this probability would require traders to commit capital and accept counterparty risk through the on-chain settlement window closing at 19:00 UTC that same day.
Historical precedent suggests Championship fixtures between established clubs and promoted sides generate substantial ancillary betting interest. Wrexham's return to the EFL in 2023 after a 15-year absence created unusual market conditions; their opening-day fixture against Grimsby Town saw elevated trading activity across multiple derivative markets. Cardiff, a former Premier League side, typically attracts deeper liquidity in match-related contracts. The 0% pricing here likely indicates either a technical settlement condition (such as a requirement for specific market types to be listed) or that traders have not yet engaged with this particular contract cluster.
Traders should monitor official EFL fixture confirmations and any team news affecting squad availability in the fortnight before kick-off. Polymarket's conditional token architecture means this contract's activation depends on whether the underlying match occurs as scheduled and whether the settlement criteria—tied to "more markets" availability—are met by the deadline. Recent Championship scheduling changes have occasionally affected fixture timing; confirmation from both clubs' official channels will clarify whether the 3:00 PM ET slot holds.
Methodology
We track Cardiff City FC vs. Wrexham AFC - More Markets across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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
- 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.
- 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?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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