Pronóstico: Phoenix Mercury vs. Chicago Sky

Platform comparison

Market context

Polymarket is pricing this Phoenix Mercury at Chicago Sky contract at **54% YES** on the Mercury side, with settlement tied to the final score, including overtime, and paid out in USDC through Polygon conditional tokens. With the game scheduled for 3 August at 9:00 p.m. ET, that price implies only a modest favourite and leaves a meaningful chance for a Chicago upset or a late shift if the market moves on team news before tip.

That read sits between the split results in the recent head-to-head. Phoenix has already beaten Chicago twice this season, 108-104 on 25 April and 91-83 on 15 May, while Chicago won the most recent meeting 77-66 on 7 July.[2][3][7] The broader form line is also mixed: ESPN’s game pages show Phoenix entering the matchup with a 1-2 record and Chicago at 2-0 in the listed recent snapshot, while The Athletic’s recent results feed shows both teams trading wins and losses across late July and early August.[4][13] For a trader, that makes the current probability easier to read as a narrow edge rather than a strong conviction.

The main catalysts are straightforward: starting line-ups, late injury or rest updates, and any schedule or venue change that affects whether the game is played as planned. Yahoo’s preview listed both teams’ records and noted Chicago coming off a win over the Aces, which is the kind of recent result that can feed into short-term pricing if one side carries stronger momentum into the evening.[10] On Polymarket, the contract only resolves on the completed game; if it is postponed, it stays open, and if it is cancelled outright with no make-up, it resolves 50-50.

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

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.

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.