Swiss Open: Jerome Kym vs Dylan Dietrich

Platform comparison

Market context

The Swiss Open men's draw will feature Jerome Kym against Dylan Dietrich in the first round, scheduled for 14 July 2026. The 44% implied probability for Kym reflects a relatively tight matchup, though recent movement suggests modest backing for Dietrich's chances over the past 48 hours. Both players are competing on home soil considerations—Switzerland's domestic circuit carries particular significance for ranking points and seeding implications heading into the latter half of the season.

Kym's recent form on grass courts provides the primary historical anchor for assessing this fixture. Swiss players competing in domestic opens typically show elevated performance metrics compared to neutral venues, though this advantage diminishes when facing similarly-ranked opponents with comparable preparation. Dietrich's trajectory through qualifying rounds and his surface-specific record against mid-tier competition will determine whether the current split reflects genuine uncertainty or undervaluation of one player's preparation depth.

The settlement window extends to 21 July, allowing seven days beyond the scheduled date for completion. Traders should monitor official Swiss Open draw confirmations and any late withdrawals, which occasionally shift probability significantly in lower-seeded matches. Weather delays on grass courts during mid-July European tournaments are not uncommon, though the settlement rules accommodate this. Injury reports from either player's training sessions in the week preceding the match would represent the most material catalyst for repricing.

Methodology

This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

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 Polymarket cost to trade?

Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.

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.