HSBC Championships: Arthur Rinderknech vs Hamad Medjedovic

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Active sub-markets

Market context

The HSBC Championships match between French qualifier Arthur Rinderknech and Serbian prospect Hamad Medjedovic is scheduled for 4:00 AM ET on 15 June 2026. Polymarket currently prices Rinderknech's advancement at zero, reflecting either extreme confidence in Medjedovic or minimal liquidity in the contract. The settlement window closes 22 June 2026, allowing a seven-day buffer for rescheduling before the market resolves to 50-50 on any unplayed fixture.

Rinderknech has competed sporadically at ATP 500 level, with his ranking fluctuating between 50 and 150 depending on injury and tournament selection. Medjedovic, born in 2004, has climbed steadily through Challenger circuits and entered the top 100 in 2024. Direct historical comparison is limited—they have not faced each other on record—but Medjedovic's recent trajectory and seeding at the HSBC Championships (if seeded) would typically favour the younger player with momentum. The zero probability on Polymarket suggests traders are either pricing in Medjedovic as a clear favourite or treating this as an illiquid market where conditional token depth remains thin.

Traders should monitor official HSBC Championships draws and seeding announcements in late May 2026, which will confirm both players' participation and potential round placement. Injury updates from either player's social media or ATP tour statements carry immediate settlement risk. The 4:00 AM ET slot is unusual for a major tournament match and may indicate qualifying rounds or early-stage play; confirmation of the actual round and venue conditions will clarify the competitive context before settlement.

Methodology

We track HSBC Championships: Arthur Rinderknech vs Hamad Medjedovic on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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?

On Polymarket UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

Is this market available outside the US?

Polymarket UK 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.

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 Polymarket UK?

Zero. Polymarket UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.