Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| SD Raiders FC (-1.5) | 0% |
| Macarthur FC (-1.5) | 0% |
| SD Raiders FC (-2.5) | 0% |
| Macarthur FC (-2.5) | 0% |
| O/U 0.5 | 0% |
| O/U 1.5 | 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% |
| SD Raiders FC O/U 0.5 | 0% |
| SD Raiders FC O/U 1.5 | 0% |
| SD Raiders FC O/U 2.5 | 0% |
| Macarthur FC O/U 0.5 | 0% |
| Macarthur FC O/U 1.5 | 0% |
| Macarthur FC O/U 2.5 | 0% |
| SD Raiders FC 1st Half O/U 0.5 | 0% |
| SD Raiders FC 1st Half O/U 1.5 | 0% |
| Macarthur FC 1st Half O/U 0.5 | 0% |
| Macarthur FC 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 0.5 | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| SD Raiders FC 2nd Half O/U 0.5 | 0% |
| SD Raiders FC 2nd Half O/U 1.5 | 0% |
| Macarthur FC 2nd Half O/U 0.5 | 0% |
| Macarthur FC 2nd Half O/U 1.5 | 0% |
Market context
The Australia Cup fixture between SD Raiders FC and Macarthur FC takes place on 11 August at 5:30 AM ET, with settlement of this secondary market cluster occurring at 09:30 UTC the same morning. The 0% implied probability reflects minimal trading activity or liquidity in this particular contract variant, typical for niche domestic cup matches in lower-tier Australian football where offshore prediction markets see sparse participation. USDC settlement mechanics mean resolution depends on confirmed match data from official Football Australia sources, with no intermediate price discovery expected given the sparse order book.
Historical precedent from Australia Cup markets on this platform shows that secondary "more markets" clusters—often covering specific event outcomes or statistical thresholds—frequently remain dormant until within 48 hours of kickoff, when regional traders or sharp bettors with ground intelligence enter positions. The 0% reading is therefore more reflective of absence of early positioning than genuine consensus that no qualifying outcome will occur. Comparable FFA Cup fixtures in 2024 saw similar probability floors shift materially once team news and weather conditions became concrete.
Key catalysts include official team sheets released 24 hours pre-match, any late injury announcements affecting either squad, and weather conditions in the Sydney region that might influence play style. Macarthur's recent domestic form and SD Raiders' cup pedigree will drive late-stage trading. BTC and ETH macro conditions are immaterial to settlement, though funding rate spikes on major exchanges could signal broader retail participation shifts that occasionally correlate with prediction market liquidity surges across all categories.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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