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 |
|---|---|
| Plymouth Argyle FC (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| Plymouth Argyle FC O/U 0.5 | 100% |
| Plymouth Argyle FC O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| Plymouth Argyle FC 2nd Half O/U 0.5 | 100% |
| Plymouth Argyle FC 2nd Half O/U 1.5 | 100% |
| Exeter City FC (-1.5) | 0% |
| Plymouth Argyle FC (-2.5) | 0% |
| Exeter City FC (-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 | 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% |
| Plymouth Argyle FC O/U 2.5 | 0% |
| Exeter City FC O/U 0.5 | 0% |
| Exeter City FC O/U 1.5 | 0% |
| Exeter City FC O/U 2.5 | 0% |
| Plymouth Argyle FC 1st Half O/U 0.5 | 0% |
| Plymouth Argyle FC 1st Half O/U 1.5 | 0% |
| Exeter City FC 1st Half O/U 0.5 | 0% |
| Exeter City FC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| Exeter City FC 2nd Half O/U 0.5 | 0% |
| Exeter City FC 2nd Half O/U 1.5 | 0% |
Market context
Plymouth Argyle and Exeter City will meet in the EFL Cup on 10 August at 3:00 PM ET, a first-round fixture between two Championship-adjacent sides. The 37% implied probability for "more markets" reflects uncertainty around whether additional betting lines or settlement categories will be offered beyond standard match outcomes. This is a regional derby with historical precedent; the clubs last met competitively in the 2022–23 season, when Plymouth finished second in League Two and Exeter competed in the same division.
First-round EFL Cup fixtures typically generate modest trading volumes relative to later rounds, yet the derby context and proximity to the new season create a data-rich environment for conditional order strategies. Traders monitoring team news should track squad announcements from both clubs through late July; injuries to key players or late loan departures can shift match expectations and influence whether sportsbooks expand their offering. The settlement window closes at 19:00 GMT on match day, creating a tight window for live-trading algorithms that rely on pre-match odds movements or in-play data feeds.
For power-users, this market's utility lies in testing execution logic across low-liquidity regional fixtures. The current probability suggests moderate confidence in additional markets materialising; traders employing copy-trading or bot-based position management should establish clear thresholds for entry, since late-stage market expansion often correlates with fixture prominence rather than predictable schedules. Monitoring EFL official communications and betting exchange activity in the 48 hours before kick-off provides the most reliable signal for whether secondary markets will activate.
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
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.
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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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