Mallorca Championships: Nuno Borges vs Ethan Quinn

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Active sub-markets

Market context

The real-world event is the Mallorca Championships semifinal between Nuno Borges and Ethan Quinn, scheduled for 3:00 pm ET today on Centre Court, where Borges advances if he wins and Quinn advances if he does. Over the last 24 hours, Borges has emerged as the tournament’s unexpected contender by reaching the semis without conceding a set, while Quinn remains a strong but less consistent opponent on grass, shifting the crowd-implied 50-50 probability toward a slight Borges edge in live models.

Historically, similar first-time semifinal clashes on grass between an experienced baseline player and a powerful but untested opponent have resolved with the steadier player winning in three sets, as seen in 2024 when Tallon Griekspoor, the previous Mallorca winner, edged a tight contest in the same manner. Borges’ steadier ground game and tournament consistency mirror those cases, suggesting the 50% market price may understate his advantage, with Tennis Tonic and Last Word on Sports both picking Borges in three sets as the likely outcome[1][3].

Traders should watch for any late weather delays, as Mallorca’s grass courts are sensitive to rain, and monitor the official ATP Mallorca broadcast for real-time serving stats, which often reveal Quinn’s vulnerability under pressure. The match begins at 3:00 pm ET, and any delay beyond seven days without a winner would trigger a 50-50 settlement, so immediate updates on court conditions are critical. FanDuel’s odds show Borges at 1.66 and Quinn at 2.21, reinforcing the slight market tilt toward Borges[1][9].

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Mallorca Championships: Nuno Borges vs Ethan Quinn 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

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

Where can I trade this market with the lowest fees?

On Prediction Today, 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.

What does it cost to trade on Prediction Today?

Zero. Prediction Today 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.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Prediction Today triggers a quick verification flow that finishes in 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.