Makerfield by-election Winner

Platform comparison

Active sub-markets

Market context

Makerfield is expected to face a parliamentary by-election in 2026 after Josh Simons said he will stand down, with the result to be settled by the official count if held and reported by year-end. The market sits at 66% for Labour, but that is notably firmer than some cross-platform signals: Manifold’s equivalent contract shows Labour at 64% versus 32% Reform, while lines elsewhere are more divided, with one market front-runner priced near 57.5% and Reform close to 39%. That spread suggests traders are still weighing whether a Labour hold is the base case or whether the seat could tighten quickly once a candidate is confirmed.

Comparable local contests point to why the pricing is not unanimous. By-elections in seats with a Labour incumbent can move sharply on turnout, protest voting, and the quality of the opposition campaign, rather than on the national polling average alone. The recent local election cycle has also encouraged traders to test whether Reform can convert council-level momentum into parliamentary seats, which helps explain why the same race can trade as a solid Labour favourite in one venue and a much closer contest in another. In historical terms, by-election markets often react more to candidate-specific and turnout signals than to party label alone.

The main catalysts are the formal resignation timetable, the writ and poll date, and then the candidate field, especially whether Labour is able to present a local, settled choice before Reform finalises its challenger. Any candidate announcement from Labour or Reform, along with constituency-level polling or credible local reporting on campaign strength, could move the contract materially. Traders should also watch for confirmation of the official count date and any reporting on boundary, turnout, or administrative issues, since the market resolves only on the eventual winner, or to Other if the result is still not definitively known by the deadline.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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

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 does it cost to trade on PolyGram?

Zero. PolyGram 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, PolyGram triggers a quick verification flow that finishes in minutes.

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.