Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Bot UK) 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% |
| Portland Timbers O/U 0.5 | 100% |
| Portland Timbers 1st Half O/U 0.5 | 100% |
| O/U 1.5 | 86% |
| Both Teams to Score | 70% |
| Seattle Sounders FC O/U 0.5 | 70% |
| 2nd Half O/U 0.5 | 70% |
| O/U 2.5 | 54% |
| Portland Timbers 2nd Half O/U 0.5 | 54% |
| Seattle Sounders FC 2nd Half O/U 0.5 | 53% |
| Both Teams to Score in Second Half | 52% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Seattle Sounders FC 2nd Half O/U 1.5 | 50% |
| Portland Timbers 2nd Half O/U 1.5 | 50% |
| Portland Timbers O/U 1.5 | 48% |
| Seattle Sounders FC O/U 1.5 | 33% |
| O/U 3.5 | 25% |
| Portland Timbers (-1.5) | 22% |
| Portland Timbers O/U 2.5 | 14% |
| O/U 4.5 | 9% |
| Seattle Sounders FC O/U 2.5 | 9% |
| Seattle Sounders FC (-1.5) | 6% |
| Portland Timbers (-2.5) | 5% |
| O/U 5.5 | 3% |
| Seattle Sounders FC (-2.5) | 2% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Seattle Sounders FC 1st Half O/U 0.5 | 0% |
| Seattle Sounders FC 1st Half O/U 1.5 | 0% |
| Portland Timbers 1st Half O/U 1.5 | 0% |
Market context
Seattle Sounders FC face Portland Timbers in a Cascadia MLS clash scheduled for 10:30 PM ET on 16 July, with the crowd assigning a mere 6% probability to the “More Markets” outcome. This low implied probability mirrors historical volatility in the fixture: across 47 prior meetings, Portland holds a slight edge with 19 wins against Seattle’s 17, while 11 ended in draws[2]. Recent form complicates the picture, as both sides sit identically at 11–9–7 with 40 points, and Portland secured a narrow 1–0 victory in their August 2024 encounter at Providence Park[1]. For a programmatic trader, this symmetry suggests the market may be pricing in a tight contest where secondary outcomes (corners, cards, or player props) are less likely to trigger unless a goal differential emerges early.
Key catalysts include pre-match lineup announcements and in-game momentum shifts, particularly if either team concedes before the 60-minute mark. Traders should monitor official club channels for late squad changes, as both managers have rotated heavily in recent weeks to manage fatigue ahead of the summer break. Ticket demand remains moderate, with prices starting around $33 on SeatGeek, indicating no major fanfare that might skew in-play behaviour[3]. A conditional order strategy could exploit the 6% threshold by placing small stakes on correlated props only if the match remains scoreless past the 30-minute window, aligning with the historical tendency for low-scoring Cascadia fixtures.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 Polymarket Bot UK. 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'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.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- 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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