NY-13 Democratic Primary Winner

Platform comparison

Active sub-markets

Market context

The Democratic nominee for New York’s 13th congressional district will be decided in the June 23 primary, and this market pays out on who officially secures that nomination rather than on who later appears on the general-election ballot. In prediction markets, a **YES** share wins if the named outcome happens and a **NO** share wins if it does not, so the current 56% YES implies traders think the listed candidate’s nomination is slightly more likely than not, but far from certain.[3][4]

To read that price in context, it helps to compare it with the live race picture. Recent market coverage has shown Adriano Espaillat ahead but not unassailable, with Polymarket listing him around 63% and City & State New York around 61%, while challenger Darializa Avila Chevalier has been the main alternative in the field.[1][2] Ballotpedia lists a four-candidate Democratic primary, including Espaillat, Chevalier, Theo Chino-Tavarez and Oscar Romero, which means the market is not just a two-way contest and late vote-splitting or a surprise consolidation can still matter.[3]

The main catalysts now are procedural rather than dramatic: any late campaign statements, endorsements, ballot-access issues, turnout cues from local organisations, and the official Democratic certification after primary day. The market description says resolution follows a consensus of official Democratic sources, so traders should watch party announcements closely, especially if there is any delay in naming a nominee or if a replacement is floated before the November deadline, which would not change the outcome here.[3][4]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track NY-13 Democratic Primary Winner on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

Where can I trade this market with the lowest fees?

On Prediction Market UK, 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?

Prediction Market UK 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.

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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Market UK triggers a quick verification flow that finishes in minutes.