Who will win the 2026 Fields Medal?

Platform comparison

Market context

The final week before the 2026 International Congress of Mathematicians has kept this market anchored around a small set of names, with recent chatter concentrating on Hong Wang, Jacob Tsimerman, Yu Deng, Jack Thorne and John Pardon. The crowd-implied 2% is far below the broader market chatter in the sourced odds pages, which have treated Wang as the clear front-runner and several others as live contenders, so the present price looks more like a sceptical outlier than a consensus view[1][6][9].

That framing matters because the Fields Medal is not a single-winner prize: the IMU can name two, three or four medalists, and the selection is traditionally confidential until the congress announcement[1]. Historically, the market can move sharply when a mathematician is publicly associated with a major breakthrough, invited talk, or prize cycle, and several recent candidate lists have been built around exactly that kind of signal rather than any official leak[2][4][11]. A late July announcement at ICM 2026 would therefore be the decisive catalyst, not any speculation before then[1].

For traders, the main dependencies are straightforward: the medal list should emerge during the congress window in Philadelphia, with settlement tied to the announced 2026 medalists and a fallback to “Other” if no announcement appears by 15 August[1]. Reports in mid-July alleged a leak naming Hong Wang, Yu Deng, Jacob Tsimerman and John Pardon, but those claims came from informal and non-official sources rather than the IMU itself, so they should be treated as market noise unless corroborated by the congress programme or an official release[8].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page reviews Who will win the 2026 Fields Medal? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Today, which mirrors the Polymarket order book at 0% fees.

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?

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

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.

What does Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.