Zug: Harold Mayot vs Mika Brunold

Platform comparison

Market context

Harold Mayot vs Mika Brunold is a tennis match in Zug, and the market is pricing **100% YES** for Mayot to advance, which leaves no visible room for a meaningful Brunold upset in the current crowd view. In handicapper terms, that makes Mayot the clear favourite and Brunold the live contrarian angle only if the market is overreacting to a name gap rather than the matchup itself.

Comparable pre-match pricing points in the other direction. One recent H2H pricing model had Mayot at **52.12%** and Brunold at **47.88%**, while another preview put Mayot around **54%** to win, which is a far cry from a certain outcome.[2][3] Those sorts of mid-50s projections suggest the crowd-implied 100% can only be justified if traders are leaning on unpriced information, or if liquidity is thin enough that the market is simply not reflecting a balanced matchup.

The main catalysts to watch are the official order of play, any late injury or withdrawal news, and whether the match starts on schedule or is pushed back within the tournament calendar. The market description is also important: if the match is not played at all, or is delayed beyond seven days without a winner, it resolves to **50-50**, so cancellation risk matters as much as on-court form. A same-day schedule change or retirement scenario would be the biggest swing factor for traders, especially given that the settlement window runs to 2026-07-30T08:00:00Z.

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

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

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 Who Will Win 2026. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.

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.

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.

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.