MO-01 Democratic Primary Winner

Platform comparison

Market context

Polymarket’s **MO-01 Democratic Primary Winner** contract is pricing the Democratic nomination in Missouri’s 1st District at **66% YES** on the current crowd-implied read, with the contract settling in USDC on Polygon through conditional tokens if the named candidate wins the nomination. The event itself is the Democratic primary for the district’s House seat, and the market resolves off official Democratic sources; if no nominee is announced by the deadline, it flips to **Other**.

The current price is easiest to read against the district’s recent rematch history. Missouri’s 1st has already seen a tight Bell-Bush contest, and market participants have treated fundraising, name recognition and prior head-to-head results as the main anchors rather than a wide-open primary. Polymarket’s own page cites Bell’s stronger fundraising and a February poll showing him ahead 44-40 among likely Democratic voters, while other election-tracking pages still show a competitive race rather than a blowout[1][3].

For traders, the main catalysts are straightforward: any late campaign announcement, candidate filing update, endorsement, polling release, or official party confirmation before the August 4 primary can move the price quickly on-chain. The Missouri Democratic Party says the primary is on Tuesday, August 4, 2026, and the market’s own rules point to official Democrat sources for resolution, so the key watchpoint is whether the party has clearly named a nominee before the market’s November backstop[15][1][6].

Sources: 1 · 2 · 3 · 4 · 5

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 UK, which mirrors the Polymarket order book directly.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

FAQ

Where can I trade this market with the lowest fees?

Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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 UK 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.