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MO-01 Democratic Primary Winner

Five-platform snapshot of "MO-01 Democratic Primary Winner" — live Polymarket pricing, plus how Kalshi, Betfair and Manifold structure the same contract.

Wesley Bell 66% Cori Bush 35% Candidate A 0% Candidate B 0% Volume: $304K Liquidity: $121K Closes: 4 Aug 2026
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MO-01 Democratic Primary Winner

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Polymarket (via PolyGram) Pick
polygram.ink (preferred broker)
 66% 34% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle View on Polymarket →
Polymarket (direct)
polymarket.com
 66% 34% 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.

OutcomeProbability
Wesley Bell66%
Cori Bush35%
Candidate A0%
Candidate B0%
Candidate C0%
Candidate D0%
Candidate E0%
Candidate F0%
Candidate G0%
Candidate H0%
Candidate I0%
Candidate J0%
Candidate K0%
Candidate L0%
Candidate M0%
Candidate N0%
Candidate O0%
Other0%

Market context

MO-01 Democratic Primary Winner — current market-implied probability: 66%. This market will resolve according to the candidate who wins the nomination for the Democratic Party to contest the MO-01 congressional district seat in the U.S. House of Representatives in the 2026 m…

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

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

How does resolution work?
Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
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.
Do I need to KYC for this market?
On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram 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.
Maya TorresMaya TorresFinancial Markets WriterandPriya SharmaPriya SharmaCrypto & DeFi Analyst

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