Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via احتمالات كأس العالم) Pick polygram.ink (preferred broker) |
82% | 18% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
82% | 18% | 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 |
|---|---|
| Donavan McKinney | 82% |
| Shri Thanedar | 19% |
| Shelby Campbell | 0% |
| Anthony Carbonaro | 0% |
| Nazmul Hassan | 0% |
| Other | 0% |
| Person A | 0% |
| Person B | 0% |
| Person C | 0% |
| Person D | 0% |
| Person E | 0% |
| Person F | 0% |
| Person G | 0% |
| Person H | 0% |
| Person I | 0% |
| Person J | 0% |
| Person K | 0% |
| Person L | 0% |
| Person M | 0% |
| Person N | 0% |
| Person O | 0% |
| Person P | 0% |
| Person Q | 0% |
| Person R | 0% |
| Person S | 0% |
| Person T | 0% |
| Person U | 0% |
| Person V | 0% |
| Person W | 0% |
| Person X | 0% |
| Person Y | 0% |
| Person Z | 0% |
Market context
The Democratic nomination for Michigan’s 13th congressional district is set for 4 August, with the race narrowed to **Shri Thanedar** and **Donavan McKinney** after two other contenders were disqualified.[1][4] The current crowd-implied **18%** for YES sits well below the state of play reported in recent market and local coverage, which has treated the contest as a two-person race rather than a broad-field primary.[1][6][7]
The main historical frame is the district’s recent primary behaviour: Thanedar won the Democratic nomination here in 2024, showing that incumbency and Detroit-area name recognition have mattered in this seat.[3] At the same time, the latest reporting suggests the challenger has real momentum; Axios described the 2026 primary as Thanedar’s toughest race and placed McKinney in a direct head-to-head contest with him.[4] Prediction markets have not agreed on the scale of that edge, with one feed showing McKinney at 85% and another still giving Thanedar a majority, which points to a market that has repriced sharply but remains sensitive to late movement.[1][5][11]
The key catalysts are straightforward: any new public polling, endorsement or turnout signal before 4 August can still move the line, especially if it confirms whether the race is consolidating around McKinney or whether Thanedar’s incumbent advantages hold.[4][7] Traders should also watch for final ballot-status or filing updates from official Michigan election sources, because the market’s resolution depends on the Democratic nominee actually being the candidate recognised by official party sources, with any replacement before election day explicitly not changing the outcome.[2][12][16]
Methodology
Football-specific comparison page for توقع: MI-13 Democratic Primary Winner. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi (US-focused) or Manifold (play-money).
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
- Can I import form data and lineups?
- This page shows the live Polymarket quote as an implied probability. Form data and lineups must be researched separately via sports data providers (e.g. Soccerway, ESPN, FBref) — we surface the market probability, not the sport analysis.
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