Halle Open: Alexander Zverev vs Raphael Collignon

Platform comparison

Active sub-markets

Market context

Alexander Zverev’s Halle Open match against Raphael Collignon is a live ATP 500 grass-court fixture, with Zverev listed on the Friday order of play in Halle and the tournament running from 15 to 21 June 2026.[1][4] A crowd-implied 0% YES price points to either a missing live market update or thin participation rather than a meaningful view on the tennis itself, so the better read is often on market plumbing: whether traders can fund quickly and cheaply enough to create depth. On sites that rely on small, fast deposits, rails such as SEPA, card-on-ramp options like Klarna, and stablecoin funding in USDC can matter more than the headline match-up because they determine how quickly new money reaches the book and whether late liquidity appears before play starts.

Comparable Halle and other ATP 500 grass matches tend to reprice sharply once the order of play is confirmed, especially when a seeded player is scheduled not before a set time rather than at a fixed start.[1][4] That matters here because Zverev’s slot sits behind earlier matches, so any delay, withdrawal, or court change can alter whether the market resolves on a completed match or on the market’s contingency rules. For traders, the key catalysts are the tournament’s official daily schedule, any ATP or event-level withdrawal notice, and whether the match begins within the settlement window; if it is not played at all, or is pushed beyond the seven-day threshold without a winner, resolution can flip away from the straight match result.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Halle Open: Alexander Zverev vs Raphael Collignon 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 Deposit 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 Deposit 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.

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 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.