Seattle Storm vs. Phoenix Mercury

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Active sub-markets

Market context

Seattle Storm and Phoenix Mercury meet in a WNBA regular-season game in Phoenix, with the market still priced at **0% YES** despite the teams having split recent high-profile meetings. Seattle beat Phoenix 89-77 in June 2025, but Phoenix had won the previous matchup 81-59 in May 2025, a reminder that this pairing has produced large swings rather than a stable edge for either side.[1][2][3]

For traders, the key context is current team form and late availability. Seattle’s win in the 2025 meeting came with Skylar Diggins producing strongly, while Phoenix’s earlier blowout was driven by Satou Sabally’s 27 points, so any pre-game injury or rest news around primary creators can move the market quickly.[1][2][3] The schedule also matters: the game is listed for Footprint Centre at 7:00 pm UTC / 3:00 pm ET, so confirmed starting line-ups and any same-day reporting on absences are likely to be the main catalysts before tip-off.[4]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Seattle Storm vs. Phoenix Mercury 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

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?

Sport Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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 it cost to trade on Sport Prediction?

Zero. Sport Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

Do I need to KYC for this market?

Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction 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.