Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) 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 |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| FC Mito Holly Hock O/U 0.5 | 100% |
| Gamba Ōsaka O/U 0.5 | 100% |
| FC Mito Holly Hock 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Gamba Ōsaka 2nd Half O/U 0.5 | 100% |
| FC Mito Holly Hock (-1.5) | 0% |
| Gamba Ōsaka (-1.5) | 0% |
| FC Mito Holly Hock (-2.5) | 0% |
| Gamba Ōsaka (-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% |
| FC Mito Holly Hock O/U 1.5 | 0% |
| FC Mito Holly Hock O/U 2.5 | 0% |
| Gamba Ōsaka O/U 1.5 | 0% |
| Gamba Ōsaka O/U 2.5 | 0% |
| FC Mito Holly Hock 1st Half O/U 1.5 | 0% |
| Gamba Ōsaka 1st Half O/U 0.5 | 0% |
| Gamba Ōsaka 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% |
| FC Mito Holly Hock 2nd Half O/U 0.5 | 0% |
| FC Mito Holly Hock 2nd Half O/U 1.5 | 0% |
| Gamba Ōsaka 2nd Half O/U 1.5 | 0% |
Market context
FC Mito Holly Hock travel to face Gamba Ōsaka on 15 August in a J. League Division 1 fixture. The market currently settles at 0% YES on Polymarket, reflecting either extreme confidence in a specific outcome or minimal liquidity in this particular conditional contract. On-chain, positions are denominated in USDC and settled via Polygon, with conditional tokens tracking the resolution criteria tied to this fixture alone.
Holly Hock finished the 2023 season in mid-table obscurity, whilst Gamba Ōsaka has historically occupied a stronger competitive position within the J. League hierarchy. Recent seasons show Gamba winning roughly 45–50% of home fixtures against mid-tier opposition, with Holly Hock's away record typically falling between 25–35% win rates. The 0% probability suggests traders are pricing either a near-certain outcome or that the market lacks sufficient depth to reflect genuine uncertainty. Comparable J. League conditional markets on Polymarket have shown similar pricing extremes early in their lifecycle, often correcting sharply once volume accumulates.
Traders should monitor team news releases and official J. League fixture confirmations as the August date approaches. Injury announcements, particularly among Gamba's attacking personnel, historically shift win probabilities by 8–12 percentage points in J. League markets. Holly Hock's recent form in July and early August will signal whether the club has stabilised its squad rotation. The settlement window closes at 09:00 UTC on 15 August, leaving minimal post-match arbitrage opportunity once the fixture concludes.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Scam?, which mirrors the Polymarket order book directly.
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.
UK Frequently Asked Questions
- 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 Scam?. 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.
- 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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