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% |
| 1st Half O/U 0.5 | 100% |
| Recoleta FC O/U 0.5 | 100% |
| Recoleta FC 1st Half O/U 0.5 | 99% |
| O/U 1.5 | 95% |
| Both Teams to Score | 89% |
| CA Boca Juniors O/U 0.5 | 86% |
| O/U 2.5 | 75% |
| CA Boca Juniors O/U 1.5 | 75% |
| 2nd Half O/U 1.5 | 73% |
| 2nd Half O/U 0.5 | 67% |
| CA Boca Juniors O/U 2.5 | 65% |
| CA Boca Juniors 1st Half O/U 0.5 | 65% |
| Recoleta FC O/U 1.5 | 61% |
| 2nd Half O/U 2.5 | 61% |
| 1st Half O/U 1.5 | 55% |
| Both Teams to Score in First Half | 51% |
| Recoleta FC (-2.5) | 50% |
| Recoleta FC O/U 2.5 | 50% |
| CA Boca Juniors 1st Half O/U 1.5 | 50% |
| CA Boca Juniors 2nd Half O/U 1.5 | 50% |
| Recoleta FC 2nd Half O/U 1.5 | 50% |
| O/U 3.5 | 49% |
| CA Boca Juniors 2nd Half O/U 0.5 | 45% |
| Recoleta FC 2nd Half O/U 0.5 | 45% |
| CA Boca Juniors (-1.5) | 28% |
| Both Teams to Score in Second Half | 28% |
| O/U 4.5 | 24% |
| CA Boca Juniors (-2.5) | 20% |
| 1st Half O/U 2.5 | 17% |
| O/U 5.5 | 11% |
| Recoleta FC (-1.5) | 9% |
| Recoleta FC 1st Half O/U 1.5 | 9% |
Market context
Boca Juniors will face Recoleta FC in the Copa Sudamericana on 11 August at 6:00 PM ET. The market currently prices conditional YES tokens at 35 cents on the dollar, implying a 35% probability for the "more markets" condition—likely referring to additional betting options becoming available post-match or during the fixture window. On Polygon, traders are holding USDC-denominated positions that settle against this binary outcome; the spread between YES and NO reflects real-time conviction about whether supplementary markets will materialise.
Historical Copa Sudamericana fixtures show that secondary markets typically emerge when matches carry high liquidity or unexpected narrative weight. Boca Juniors, a heavyweight Argentine club, tends to attract deeper market interest than lower-tier opponents; Recoleta's relative anonymity in continental competition may suppress demand for ancillary betting products. The 35% probability sits below the threshold one might expect if Boca were playing a rival of comparable stature, suggesting traders are discounting the likelihood of extended market coverage for this particular pairing.
Catalysts centre on pre-match team news and Polymarket's own operational decisions. Injury announcements or late lineup changes could shift perceived match quality and thus market appetite. The settlement window closes at 22:00 UTC on 11 August—roughly four hours after kickoff—giving the platform a narrow window to assess whether sufficient trading volume justifies conditional market deployment. Any official communication from Polymarket regarding Copa Sudamericana coverage expansion would move the price immediately.
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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
UK Frequently Asked Questions
- 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.
- 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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