Connecticut Sun vs. Phoenix Mercury

Platform comparison

Market context

The Connecticut Sun and Phoenix Mercury face off in a WNBA contest on 17 July at 10:00PM ET, where the market resolves to the winning team based on the final score including overtime. In prediction markets, a YES share pays out if the selected outcome occurs—here, if the Connecticut Sun win—while a NO share pays out if they do not, meaning the Phoenix Mercury prevail. The current crowd-implied probability of 38% YES suggests traders believe the Sun are less likely to win than lose this matchup.

Historically, head-to-head WNBA games between these sides have shown volatility; for instance, on 18 June 2025, the Phoenix Mercury defeated the Connecticut Sun 83–75, with Alyssa Thomas delivering 14 points, 11 assists and eight rebounds against her former team while Satou Sabally added a season-high 15 rebounds[1]. Such results illustrate that even strong individual performances do not guarantee a win, and past outcomes like this one help frame why the market currently prices the Sun at a lower probability despite their reputation.

Traders should monitor pre-game announcements on player availability, especially regarding Thomas and Sabally, as injuries or rest decisions can shift odds sharply. The settlement window closes at 02:00 UTC on 18 July 2026, so any postponement will keep the market open until completion, while a full cancellation without a make-up game resolves the market at 50–50. No recent news updates have altered the lineup as of early 18 July, but official WNBA team reports released before the game will be the primary catalyst for probability movement.

Sources: 1

Methodology

This page reviews Connecticut Sun vs. Phoenix Mercury across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Market UK, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.

Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.

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.

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.