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 | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
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% |
| 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% |
| South Melbourne FC O/U 0.5 | 100% |
| South Melbourne FC O/U 1.5 | 100% |
| Adelaide United FC O/U 0.5 | 100% |
| South Melbourne FC 1st Half O/U 0.5 | 100% |
| Adelaide United FC 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| South Melbourne FC 2nd Half O/U 0.5 | 100% |
| South Melbourne FC (-1.5) | 0% |
| Adelaide United FC (-1.5) | 0% |
| South Melbourne FC (-2.5) | 0% |
| Adelaide United FC (-2.5) | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| South Melbourne FC O/U 2.5 | 0% |
| Adelaide United FC O/U 1.5 | 0% |
| Adelaide United FC O/U 2.5 | 0% |
| South Melbourne FC 1st Half O/U 1.5 | 0% |
| Adelaide United FC 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% |
| South Melbourne FC 2nd Half O/U 1.5 | 0% |
| Adelaide United FC 2nd Half O/U 0.5 | 0% |
| Adelaide United FC 2nd Half O/U 1.5 | 0% |
Market context
South Melbourne FC versus Adelaide United FC in the Australia Cup looks like a classic cup mismatch, but the market is pricing an even stronger lean towards Adelaide than the broader football data would suggest. The current crowd-implied probability of **0% YES** on the “more markets” contract is far below any reasonable pre-match reading of the fixture, because the public sources show Adelaide as the stronger side on recent output, yet not so overwhelming as to justify a literal zero. South Melbourne’s recent run is mixed, with one source showing just 2 wins in their last 10, while Adelaide’s recent record is steadier and its goals-against numbers are materially better across comparable sample sets[1][3][7]. With no previous head-to-head record available in the public match pages, traders have to lean on level-of-opposition comparisons rather than direct history[1][2][5].
For catalysts, the main watchpoints are team news, rotation and whether Adelaide treats the tie as a full-strength cup assignment or manages minutes ahead of league commitments. Cup ties often create sharper pricing swings once line-ups are confirmed, especially when an A-League side faces a lower-division opponent and the correct market interpretation depends on the exact “more markets” definitions rather than the outright result alone. Recent pre-match pages also show Adelaide’s latest listed fixture activity, while South Melbourne’s recent results were logged only days before kick-off, so late fitness updates and squad announcements are the most likely drivers of divergence between sportsbook lines and prediction-market pricing[6][7].
Methodology
We track South Melbourne FC vs. Adelaide United FC - 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.
- 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 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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