Zug: Harold Mayot vs Mika Brunold

Platform comparison

Market context

Polymarket is currently pricing the match between Harold Mayot and Mika Brunold at **100% YES** on the Harold Mayot side, which means the contract is effectively treating Mayot as a certain winner unless the market reprices before settlement. Because the market resolves on the on-chain Polymarket contract in USDC on Polygon via conditional tokens, the practical question for users is not only who is stronger on court, but whether the event is completed in a way that matches the market rules.

That 100% reading should be set against more ordinary pre-match signals. Comparable tennis pricing services have shown a far narrower view of the matchup, with one H2H model putting Mayot at **52.12%** and live score coverage listing the fixture on 23 July 2026, suggesting that the crowd’s current position is much more extreme than a standard moneyline-style estimate.[2][3] In prediction markets, that kind of concentration often reflects either late-breaking information, thin liquidity, or traders anchoring on an assumed result rather than the full settlement mechanics, including the 50-50 fallback if the match is not played or is delayed beyond seven days.

For traders, the main catalysts are straightforward: official tournament scheduling, whether the match is actually started, and any retirement or walkover language in the live scoring feed. If the tie is postponed, cancelled, or left unresolved inside the settlement window ending 2026-07-30T08:00:00Z, the market can still land at 50-50 rather than a player win, so the decisive input is not just entry on a draw sheet but completion under the contract’s terms.[1]

Sources: 1 · 2 · 3

Methodology

We track Zug: Harold Mayot vs Mika Brunold across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

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?

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

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.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.