Makerfield by-election Winner

Platform comparison

Active sub-markets

Market context

Josh Simons’ resignation has turned Makerfield from a routine Labour-held seat into a live by-election watch, and the market has settled around a 66% implied chance that Labour holds on. The latest change in the last day or two is the growing focus on Andy Burnham: reports and market pricing now treat the Greater Manchester mayor as the name that could reshape the contest if Labour chooses to field him. Lines currently has Burnham well ahead in the winner market, while reporting on Election Maps UK suggests he would flip the seat into a much tighter race against Reform UK’s Robert Kenyon.

The cleanest comparison is not a normal safe-seat by-election, but a contest shaped by candidate selection. Local polling and forecast models have pointed in two different directions depending on Labour’s choice: without Burnham, Reform is being modelled as the front-runner; with him, Labour regains the lead. That makes the market less about the underlying constituency baseline and more about whether Labour is willing and able to deploy a high-profile figure quickly enough to prevent a Reform surge. In that sense, the current price sits between a standard Labour defence and a candidate-driven upset risk.

For traders, the key catalysts are straightforward: whether Burnham is formally selected, when the by-election date is set, and whether Labour confirms a local or national name instead. Any announcement from Labour on candidacy will likely move this market immediately, because the current pricing already reflects a premium for Burnham’s involvement. Media coverage from the past 24 hours, including Election Maps UK commentary circulated on YouTube, has amplified the idea that the seat could become a proxy test of Labour’s wider leadership dynamics. Official confirmation of the contest timetable and candidate lists will be the main triggers from here.

Sources: 1 · 2 · 3 · 4

Methodology

This page reviews Makerfield by-election Winner across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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 PolyGram, 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?

PolyGram 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'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.

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 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.