Hagen: Lorenzo Giustino vs Vitaliy Sachko

Platform comparison

Market context

Lorenzo Giustino’s meeting with Vitaliy Sachko in Hagen is being priced very differently across venues: the sportsbook consensus is around Sachko 61-65% to win, while the contract’s crowd-implied price sits at **100% YES**, implying a near-certain Giustino outcome on this market’s framing. That is a major disconnect from both the bookmaker average and several analyst-style prediction pages, which cluster around Sachko as the more likely winner at roughly 60-65%.[2][4][7][8][15]

For context, the wider market has already shown a stable favourite in Sachko rather than a coin-flip match. TennisTemple’s 13-bookmaker average shows Sachko at 1.53 versus Giustino at 2.38, with similar pricing echoed by other odds-comparison sites and prediction models.[2][4] Kalshi’s own listing also had Sachko at 61% and Giustino at 39%, which makes the current 100% YES reading look more like a contract-specific artefact than a broad consensus on the tennis result.[1][12][17]

Traders should watch for whether the match actually starts, whether a winner is declared before the settlement window closes on 2026-08-10, and whether any schedule changes push it beyond the seven-day delay rule in the market terms. The event was originally set for 3 August, but multiple live listings placed it on 4 August, showing that timing has already moved once across platforms.[1][5][13][16] If the match is postponed again or abandoned without a completed result, the contract can still resolve 50-50 under its own rules, so the critical catalyst is not just the scoreboard but the final status of play.[1]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Hagen: Lorenzo Giustino vs Vitaliy Sachko 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 Kalshi vs Polymarket. 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.

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.

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.