Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) 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% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| Chicago Fire FC O/U 0.5 | 100% |
| Chicago Fire FC O/U 1.5 | 100% |
| Chicago Fire FC 1st Half O/U 0.5 | 99% |
| Chicago Fire FC 1st Half O/U 1.5 | 99% |
| O/U 2.5 | 88% |
| Chicago Fire FC O/U 2.5 | 72% |
| Chicago Fire FC (-1.5) | 71% |
| Portland Timbers O/U 0.5 | 71% |
| O/U 3.5 | 60% |
| Both Teams to Score | 60% |
| Portland Timbers 1st Half O/U 0.5 | 53% |
| Both Teams to Score in First Half | 50% |
| Portland Timbers O/U 1.5 | 50% |
| Portland Timbers 1st Half O/U 1.5 | 50% |
| Both Teams to Score in Second Half | 50% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Chicago Fire FC 2nd Half O/U 0.5 | 50% |
| Chicago Fire FC 2nd Half O/U 1.5 | 50% |
| Portland Timbers 2nd Half O/U 0.5 | 50% |
| Portland Timbers 2nd Half O/U 1.5 | 50% |
| Chicago Fire FC (-2.5) | 42% |
| O/U 4.5 | 33% |
| Portland Timbers O/U 2.5 | 23% |
| O/U 5.5 | 14% |
| 1st Half O/U 2.5 | 12% |
| Portland Timbers (-1.5) | 1% |
| Portland Timbers (-2.5) | 1% |
Market context
Chicago Fire FC will host Portland Timbers on 16 August 2026 at 6:00 PM ET in an MLS regular-season fixture. The market settling at 71% YES reflects confidence that additional betting or derivative markets will be offered on this match—a routine expectation for mid-season MLS games involving established franchises, though not guaranteed. Settlement occurs after the match concludes, making this a proxy for market infrastructure availability rather than match outcome.
Historical precedent suggests MLS fixtures between top-ten clubs by viewership and betting volume generate secondary markets within 48 hours of kickoff. Chicago Fire and Portland Timbers both maintain consistent sportsbook coverage; ESPN+ broadcasts most Fire home matches, and both teams' fixture calendars are published months in advance. The 71% probability reflects standard liquidity patterns for MLS mid-August contests, where major operators typically deploy conditional orders and API integrations to capture early-match volatility. Comparable August MLS derbies in prior seasons have seen ancillary markets (player props, corner totals, card markets) materialise within the settlement window.
Traders monitoring this market should track sportsbook announcements in the week preceding 16 August, particularly from DraftKings and FanDuel, which control roughly 60% of US sports betting volume. Fixture postponements—weather, squad unavailability—would suppress secondary market deployment. Programmatically, conditional order logic should account for broadcast confirmation and team news releases; a single major injury announcement can delay market expansion by 24 hours as operators recalibrate odds models.
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 Kalshi Fees, which mirrors the Polymarket order book directly.
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
- 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.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees 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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