Los Angeles Sparks vs. Phoenix Mercury

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Active sub-markets

Market context

The Los Angeles Sparks will face the Phoenix Mercury on 13 June at 10:00 PM ET in a regular-season WNBA matchup. In prediction markets, a YES share represents a bet that the Sparks win; a NO share bets on a Mercury victory. The current implied probability of 100% YES suggests the market has assigned near-certainty to a Sparks win, though this extreme reading warrants scrutiny given typical WNBA competitive balance and the settlement window extending only to 14 June at 02:00 UTC.

Historical context reveals that WNBA games rarely settle at such extreme probabilities absent extraordinary circumstances—roster absences, late-season positioning, or venue changes. The Sparks and Mercury have competed at broadly comparable levels in recent seasons, with neither franchise establishing dominance sufficient to justify 100% implied certainty in a single fixture. A 100% reading typically signals either a data error, liquidity constraints on the NO side, or information asymmetry regarding player availability that has not yet reached public reporting.

Traders should monitor official WNBA injury reports and roster announcements through 13 June, particularly any late confirmations of key player participation. The Mercury's recent form and the Sparks' home-court status (if applicable) remain material factors. Schedule confirmations and venue details should be verified against the WNBA's official calendar, as postponements occasionally occur. Any material roster news released within 24 hours of tip-off could shift the market substantially, though the settlement window's proximity to game time limits opportunity for repricing.

Methodology

This page reviews Los Angeles Sparks vs. Phoenix Mercury across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Prediction Market UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.

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

Where can I trade this market with the lowest fees?

On Prediction Market UK, 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.

Is this market available outside the US?

Prediction Market UK 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.

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.