Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| FC Machida Zelvia (-1.5) | 100% |
| FC Machida Zelvia (-2.5) | 100% |
| 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% |
| 1st Half O/U 2.5 | 100% |
| FC Tōkyō O/U 0.5 | 100% |
| FC Machida Zelvia O/U 0.5 | 100% |
| FC Machida Zelvia O/U 1.5 | 100% |
| FC Machida Zelvia O/U 2.5 | 100% |
| FC Tōkyō 1st Half O/U 0.5 | 100% |
| FC Machida Zelvia 1st Half O/U 0.5 | 100% |
| FC Machida Zelvia 1st Half O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| 2nd Half O/U 2.5 | 100% |
| FC Machida Zelvia 2nd Half O/U 0.5 | 100% |
| FC Machida Zelvia 2nd Half O/U 1.5 | 100% |
| FC Tōkyō (-1.5) | 0% |
| FC Tōkyō (-2.5) | 0% |
| FC Tōkyō O/U 1.5 | 0% |
| FC Tōkyō O/U 2.5 | 0% |
| FC Tōkyō 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| FC Tōkyō 2nd Half O/U 0.5 | 0% |
| FC Tōkyō 2nd Half O/U 1.5 | 0% |
Market context
FC Tokyo meet FC Machida Zelvia in J1 League action at Ajinomoto Stadium, with kickoff scheduled for 10:00 UTC and the club’s own match page listing the fixture for 8 August 2026.[4][9] The market’s 0% crowd-implied probability for “More Markets” is best read as a thin-liquidity, on-chain pricing signal rather than a statement that extra settlement events are impossible; in a USDC-settled contract, the outcome still depends on what the market defines as an additional listed market being created or resolved around the match window.
Recent head-to-heads point to a competitive, low-margin rivalry rather than a one-sided matchup. Machida beat Tokyo 3-1 in April, then the sides drew 0-0 in the reverse fixture before Machida advanced 4-2 on penalties, and a broader H2H sample in the supplied results shows Machida with three wins from three meetings since 2024.[1][3][8][16] That history matters for reading a 0% print: it suggests the live event has not generated enough on-chain conviction for traders to assign value to ancillary markets, even though the footballing backdrop has been tight and occasionally decided by margins after 90 minutes.[1][13]
For catalysts, watch whether the J. League matchpage, club pre-match notes, and any late line-up or schedule updates change the pool of derivative questions the market can settle on, especially if the exchange lists side markets tied to result, goals, or penalties.[4][9] In crypto terms, the relevant check is whether broader USDC liquidity, ETH/BTC volatility, or funding-driven risk appetite shifts intraday, because those flows can affect how aggressively traders price niche sporting contracts even when the underlying fixture itself is unchanged.
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
- 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.
- Can I use Bitcoin directly?
- No, Polymarket operates exclusively in USDC on Polygon. You can bridge BTC to USDC via an exchange or bridge service and deposit on Polygon — typically 10-30 minutes processing time.
- 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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