Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
50% | 50% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
50% | 50% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Candidate Y | 50% |
| Candidate Z | 50% |
| Candidate AA | 50% |
| Candidate AB | 50% |
| Candidate AC | 50% |
| Candidate AD | 50% |
| Candidate AE | 50% |
| Candidate AF | 50% |
| Candidate AG | 50% |
| Candidate AH | 50% |
| Candidate AI | 50% |
| Candidate AJ | 50% |
| Candidate AK | 50% |
| Candidate AL | 50% |
| Candidate AM | 50% |
| Candidate AN | 50% |
| Candidate AO | 50% |
| Candidate AP | 50% |
| Candidate AQ | 50% |
| Candidate AR | 50% |
| Candidate AS | 50% |
| Candidate AT | 50% |
| Candidate AU | 50% |
| Candidate AV | 50% |
| Candidate AW | 50% |
| Candidate AX | 50% |
| Candidate AY | 50% |
| Candidate AZ | 50% |
| Candidate BA | 50% |
| Candidate BB | 50% |
| Candidate BC | 50% |
| Candidate BD | 50% |
| Candidate BE | 50% |
| Candidate BF | 50% |
| Candidate BG | 50% |
| Candidate BH | 50% |
| Candidate BI | 50% |
| Candidate BJ | 50% |
| Candidate BK | 50% |
| Candidate BL | 50% |
| Candidate BM | 50% |
| Candidate BN | 50% |
| Candidate BO | 50% |
| Candidate BP | 50% |
| Candidate BQ | 50% |
| Candidate BR | 50% |
| Candidate BS | 50% |
| Candidate BT | 50% |
| Candidate BU | 50% |
| Candidate BV | 50% |
| Candidate BW | 50% |
| Candidate BX | 50% |
| Candidate BY | 50% |
| Candidate BZ | 50% |
| Candidate CA | 50% |
| Candidate CB | 50% |
| Candidate CC | 50% |
| Candidate CD | 50% |
| Candidate CE | 50% |
| Candidate CF | 50% |
| Candidate CG | 50% |
| Candidate CH | 50% |
| Candidate CI | 50% |
| Other | 50% |
| Anna Kelly | 14% |
| Donald Trump | 6% |
| Monica Crowley | 5% |
| Margo Martin | 4% |
| Harrison Fields | 4% |
| Taylor Rogers | 3% |
| Natalie Harp | 3% |
| Maria Bartiromo | 3% |
| Beni Rae Harmony | 3% |
| Karoline Leavitt | 3% |
| Lauren Bis | 2% |
| Liz Huston | 2% |
| Tricia McLaughlin | 2% |
| Hogan Gidley | 2% |
| Kayleigh McEnany | 2% |
| Scott Jennings | 2% |
| Alina Habba | 2% |
| Katie Miller | 2% |
| Spencer Pratt | 2% |
| Rachel Campos-Duffy | 2% |
| Elizabeth Pipko | 2% |
| Laura Loomer | 2% |
| Nicki Minaj | 2% |
| Dana W. White | 2% |
| Pat Adams | 1% |
| Kaelan Dorr | 1% |
| Katie Pavlich | 1% |
| Kari Lake | 1% |
| Lara Trump | 1% |
| Jake Paul | 1% |
| Dana F. White Jr | 1% |
| Kush Desai | 0% |
| Ari Fleischer | 0% |
| Matthew Boyle | 0% |
| Steven Cheung | 0% |
Market context
Next Press Secretary?. The market is currently pricing the outcome at 4% YES, meaning crowd-implied probability sits at that level. Settlement is scheduled for 2028-01-01T04:59:00Z. Unlike a sportsbook, the price you see is set by buyers and sellers competing in a live order book — there is no house edge or bookmaker margin to fade.
World-affairs prediction markets price discrete geopolitical outcomes — ceasefires, treaty signings, leadership transitions — and tend to drift on rumour and snap-correct on official announcements.
Watch for the underlying catalysts that move this category: each official announcement, dataset release, or scheduled milestone generally produces a step change in the implied probability. Trades execute instantly on Polygon, and shares pay $1 each at resolution if your side wins.
Methodology
This page tracks Next Press Secretary? across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.
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.
UK Frequently Asked Questions
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Why do Polymarket and Kalshi differ on elections?
- Kalshi must follow CFTC compliance — strict definitions, clear resolution sources, US citizens only with KYC. Polymarket operates globally without CFTC oversight — deeper liquidity, but also higher regulatory risk.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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