NY-12 Democratic Primary Winner

Platform comparison

Active sub-markets

Market context

The real-world event is the Democratic primary for New York’s 12th Congressional District seat, held on 23 June 2026, to determine who will contest the 2026 midterm election. With Micah Lasher already the dominant figure and the market showing only 1% probability for any other nominee, the outcome appears heavily skewed toward his victory.

Historically, similar open-seat primaries in New York City have seen early frontrunners consolidate support quickly, especially when backed by party insiders and local endorsements. In the 2024 cycle, for instance, candidates with strong organisational backing won primaries with over 60% of the vote, while outsiders struggled to gain traction despite media attention. This pattern supports the current low probability assigned to alternative nominees, as Lasher’s organisational strength mirrors past successful frontrunners.

Traders should monitor candidate announcements, fundraising totals, and endorsement waves leading into the primary. Recent reporting from Ballotpedia confirms at least seven candidates are on the ballot, including Jack Schlossberg and Alex Bores, but none have yet matched Lasher’s fundraising or endorsement momentum. The key dependency is whether any rival can secure a late surge in voter support or media coverage before the June 23 deadline. Any delay in finalising the nominee could push the market toward an “Other” resolution if no candidate is confirmed by 3 November 2026. Funding flows into the market, driven by deposit rails like Klarna and USDC, will reflect trader confidence in Lasher’s dominance, shaping book depth and liquidity.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track NY-12 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

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

Where can I trade this market with the lowest fees?

On Polymarket Klarna 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?

Polymarket Klarna 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.

What does it cost to trade on Polymarket Klarna UK?

Zero. Polymarket Klarna UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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?

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