Hamburg European Open: Aleksandar Kovacevic vs Ignacio Buse

Platform comparison

Active sub-markets

Market context

Aleksandar Kovacevic and Ignacio Buse are due to meet in the Hamburg European Open men’s singles, with the market set to resolve on who advances. The crowd-implied 0% YES price points to a stale or empty book rather than a meaningful consensus on the tennis itself, so the most relevant read is whether the match is still on schedule and whether either player has already progressed by default. In markets like this, near-zero pricing often reflects thin liquidity, delayed updates, or a result that has not yet been captured, especially around same-day ATP events.

The closest comparable cases are other ATP match markets that have sat at or near zero before play began, then corrected sharply once line-ups, retirements, or live scores were confirmed. Here, the key factual anchor is that Buse reached the Hamburg semi-finals after an upset run, including a comeback over Ugo Humbert in the quarter-finals, which suggests the market is leaning on his recent form rather than head-to-head history. Live score and schedule listings from LiveScore, Sky Sports and ATP Tour all show the fixture as a semi-final on 22 May, so any trader watching the price would be focused on whether the match starts on time and whether the official tournament feed confirms a winner within the settlement window.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

This page tracks Hamburg European Open: Aleksandar Kovacevic vs Ignacio Buse across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. PolyGram routes every trade through to Polymarket — at 0% fees.

Resolution & payout

Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.

Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.

FAQ

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.

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 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.