Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Review UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this 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% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| O/U 4.5 | 100% |
| O/U 5.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| St Johnstone FC O/U 0.5 | 100% |
| St Johnstone FC O/U 1.5 | 100% |
| St Johnstone FC O/U 2.5 | 100% |
| Kilmarnock FC O/U 0.5 | 100% |
| Kilmarnock FC O/U 1.5 | 100% |
| Kilmarnock FC O/U 2.5 | 100% |
| St Johnstone FC 1st Half O/U 0.5 | 100% |
| Kilmarnock FC 1st Half O/U 0.5 | 100% |
| Both Teams to Score in Second Half | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| 2nd Half O/U 2.5 | 100% |
| St Johnstone FC 2nd Half O/U 0.5 | 100% |
| St Johnstone FC 2nd Half O/U 1.5 | 100% |
| Kilmarnock FC 2nd Half O/U 0.5 | 100% |
| Kilmarnock FC 2nd Half O/U 1.5 | 100% |
| St Johnstone FC 1st Half O/U 1.5 | 1% |
| Kilmarnock FC 1st Half O/U 1.5 | 1% |
| St Johnstone FC (-1.5) | 0% |
| Kilmarnock FC (-1.5) | 0% |
| St Johnstone FC (-2.5) | 0% |
| Kilmarnock FC (-2.5) | 0% |
| 1st Half O/U 2.5 | 0% |
Market context
St Johnstone host Kilmarnock in the Scottish Premiership at McDiarmid Park, with this “More markets” contract settling on whether St Johnstone win by three or more goals. For a programmatic trader, that makes the key state variable not match winner but margin distribution, so automated screens should prioritise line-ups, late injury updates and any market movement that widens the home side’s expected-goals tail rather than simply tracking outright odds.
Recent head-to-head and form data do not point to a routine blowout. BBC match reporting shows St Johnstone have taken wins in this fixture, including a 2-0 away result, while also noting that Kilmarnock have had spells of control in recent meetings and have been able to create volume without always converting it into high-quality chances[1][4][6]. BBC’s live coverage also recorded St Johnstone losing a home league meeting to Kilmarnock when the Saints’ survival hopes were under pressure, which suggests the matchup has often been decided by game state rather than one-sided dominance[2]. A 3-goal home win is therefore a materially higher bar than a standard home victory and, in probability terms, sits well outside the range implied by ordinary H2H balance[17].
The main catalysts to watch are the confirmed starting XIs, any late fitness news, and whether Kilmarnock rotate or sit deeper than expected, because those factors directly affect the chance of a one-sided scoreline. BBC analysis of the prior fixture noted damp conditions pushed Kilmarnock towards early crosses and set-piece pressure rather than sustained combination play, which is the sort of tactical shift that can flatten margin outcomes even when one side is on top[4]. In practice, traders using bots or conditional orders would usually wait for official team news and the first liquidity reset after line-up release before sizing into a 3+ home-cover view.
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Polymarket Review UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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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