Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Trump Prediction Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Trump Prediction → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Trump Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Trump Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Trump Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Trump Prediction → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Trump Prediction.
Active sub-markets
| Hakeem Jeffries | 100% YES | 0% NO |
| Chi Ossé | 0% YES | 100% NO |
| Candidate C | — | |
| Candidate E | — | |
| Candidate G | — | |
| Candidate I | — | |
Market context
New York's 8th Congressional District will hold a Democratic primary in 2026 to select its House nominee. The district, which encompasses parts of Brooklyn and Queens, has been reliably Democratic in general elections; the primary outcome will effectively determine the next representative. The 100% implied probability reflects the near-certainty that a Democratic primary will occur, given the district's electoral composition and the absence of any indication that the primary process will be cancelled or suspended.
The district's primary history provides context for reading this market. NY-08 has experienced competitive Democratic primaries in recent cycles, most notably in 2022 when multiple candidates contested the seat following redistricting. Such contests typically draw between three and six serious contenders, with outcomes shaped by endorsements from local party structures, union backing, and grassroots mobilisation rather than polling alone. The 2022 primary saw significant shifts in candidate viability in the weeks before voting, suggesting that early frontrunner status offers limited predictive power.
Traders should monitor candidate declarations, which typically accelerate in early 2026. Campaign finance disclosures filed with the Federal Election Commission will signal which candidates are building genuine operations versus exploratory efforts. Local media coverage from outlets including Gothamist and NY1 will track endorsement patterns from Brooklyn and Queens Democratic organisations, which historically carry substantial weight in the district. The New York Democratic Party's official primary schedule announcement, expected in late 2025, will confirm the election date and filing deadlines. Debate scheduling, if any occurs, will provide opportunities for candidate differentiation among a potentially crowded field.
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for NY-08 Democratic Primary Winner plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
FAQ
- Where can I trade this market with the lowest fees?
- On Trump Prediction, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Trump Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Trump Prediction triggers a quick verification flow that finishes in 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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