Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
90% | 10% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
90% | 10% | 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 | 90% |
| Colombia O/U 0.5 | 83% |
| Team to Advance | 79% |
| 2nd Half O/U 0.5 | 74% |
| O/U 1.5 | 69% |
| 1st Half O/U 0.5 | 67% |
| Colombia 1st Half O/U 0.5 | 56% |
| Colombia O/U 1.5 | 52% |
| Ghana 1st Half O/U 1.5 | 51% |
| Colombia 2nd Half O/U 0.5 | 50% |
| Colombia 2nd Half O/U 1.5 | 50% |
| Ghana 2nd Half O/U 0.5 | 50% |
| Ghana O/U 0.5 | 48% |
| O/U 2.5 | 43% |
| Both Teams to Score | 42% |
| 2nd Half O/U 1.5 | 39% |
| Colombia (-1.5) | 37% |
| Ghana 2nd Half O/U 1.5 | 36% |
| 1st Half O/U 1.5 | 29% |
| Colombia O/U 2.5 | 26% |
| Ghana 1st Half O/U 0.5 | 24% |
| O/U 3.5 | 22% |
| Both Teams to Score in Second Half | 21% |
| Colombia (-2.5) | 17% |
| Colombia 1st Half O/U 1.5 | 17% |
| 2nd Half O/U 2.5 | 16% |
| Both Teams to Score in First Half | 14% |
| Ghana O/U 1.5 | 14% |
| O/U 4.5 | 10% |
| 1st Half O/U 2.5 | 10% |
| Colombia (-3.5) | 7% |
| Colombia (-4.5) | 7% |
| O/U 6.5 | 7% |
| Ghana (-1.5) | 3% |
| O/U 5.5 | 3% |
| Ghana O/U 2.5 | 3% |
| Ghana (-3.5) | 1% |
| O/U 8.5 | 1% |
| Colombia (-5.5) | 1% |
| O/U 7.5 | 1% |
| Ghana (-2.5) | 0% |
| Ghana (-4.5) | 0% |
| Ghana (-5.5) | 0% |
Market context
The underlying event is the FIFA World Cup Round of 32 match between Colombia and Ghana, scheduled for 3 July at 9:30 PM ET in Kansas City. Colombia won Group K with a 2-0-1 record, while Ghana finished third in Group L with a 1-1-1 record, both advancing to this knockout stage[2]. The prediction market currently implies a 79% probability that the game will feature more than the standard number of markets, a figure notably higher than the 69% implied probability for Colombia advancing on Kalshi[5].
Historically, matches where one team enters as a clear underdog often generate heightened betting activity and additional market offerings, as seen when Ghana faced Colombia in previous underdog scenarios where playing as the underdog proved advantageous[4]. Comparable World Cup Round of 32 games have frequently exceeded baseline market counts when the odds divergence between teams is significant, such as the 3/5 odds for Colombia versus 29/10 for Ghana on Oddschecker[3]. This pattern suggests the current 79% probability aligns with historical precedents where underdog status drives market expansion.
Traders should monitor official squad announcements and any late injury updates before the 3 July kickoff, as these dependencies directly influence market depth. Recent reporting confirms Ghana will face Colombia in the Round of 32, with the underdog narrative potentially working in Ghana’s favour[4]. Additionally, watch for any changes in sportsbook lines, as the current divergence between the 79% prediction-market implied probability and the 69% Kalshi advance probability may signal a meaningful cross-platform odds discrepancy worth exploiting[5].
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 PolyGram, 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.
FAQ
- 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 PolyGram. 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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