Pronóstico: National Bank Open: Daniel Merida Aguilar vs Learner Tien

Platform comparison

Market context

Polymarket is pricing the contract at **0% YES** on Daniel Merida Aguilar advancing, which leaves the market effectively treated as a near-certain Tien side unless the exchange gets a fresh print from the match itself. On Polymarket, settlement here is tied to the on-chain conditional token outcome in USDC on Polygon: if Tien advances, the contract resolves to his side; if the match is cancelled, ends tied, or is pushed beyond the seven-day window without a winner, it settles 50-50.

That 0% screen is not unusual for a name that is either mispriced, thinly traded, or simply not yet updated by participation. The live tennis data point to a first meeting, so there is no head-to-head history to anchor a tight market, and the broader season numbers are mixed rather than one-sided. One source puts Tien at 24-13 in 2026 and Merida Aguilar at 16-7, while another shows Merida Aguilar with stronger aggregate hard-court and clay records over the longer sample, which helps explain why this kind of lower-liquidity contract can stay pinned even when the sporting case is more nuanced.[3][5][12]

The key catalysts are procedural rather than thematic: whether the match actually starts on schedule, whether the draw and order of play hold, and whether either player withdraws or the event is delayed. Flashscore listed the fixture for 11 August 2026 and noted Merida Aguilar’s 0-2 record against top-20 opponents, while also flagging Tien’s uneven quarter-final profile, so any late withdrawal, walkover, or redraw would matter more for the contract than pre-match commentary.[2] For traders, the practical watchlist is the tournament desk, official order-of-play updates, and whether the match clears the seven-day settlement horizon without a completed result.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

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

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.

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?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

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.