Estoril Open: Daniel Merida Aguilar vs Kyrian Jacquet

Platform comparison

Market context

Daniel Merida Aguilar vs Kyrian Jacquet at the Estoril Open was priced at **0% YES**, which makes the market effectively a deep-contrarian call on an upset, a cancellation, or stale pricing rather than a straightforward match view. Pre-match tennis preview material favoured Merida Aguilar, with Tennis Tonic listing him as the pick and quoting opening odds of 1.38 for Merida Aguilar against 3.04 for Jacquet, so the crowd-implied number sits well below the broader pre-match consensus.[3]

The main handicapper’s frame is that this is a **favourite/underdog** market where the favourite side was Merida Aguilar, but the actual event data now shows Jacquet won the match 6-1, 6-1, 7-5.[2] That creates a useful lesson for similar markets: when the market is already at zero, the only real value is on non-standard outcomes, late information, or a misread of whether the match has already begun or been completed, because live tournament listings and result pages can move faster than settlement logic.[1][2]

For traders, the key catalysts are the official Estoril schedule, any late court-order changes, and whether the match status is confirmed as started, completed, or postponed beyond the settlement window. Current result listings already show the fixture and a completed scoreline, while a separate match page gives a scheduled time of 12:10, underlining how time-zone differences and feed timing can matter in tennis markets.[1][4] In practice, the only meaningful contrarian angle is not the winner’s price itself, but whether the market has been caught before an official result propagated through the data sources used for settlement.[1][2]

Sources: 1 · 2 · 3 · 4

Methodology

We track Estoril Open: Daniel Merida Aguilar vs Kyrian Jacquet 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

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

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.

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 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.