Resolution criteria on PolyGram: In the upcoming WNBA game, scheduled for May 15 at 10:00PM ET: If the Toronto Tempo win, the market will resolve to "Toronto Tempo". If the Los Angeles Sparks win, the market will resolve to "Los Angeles Sparks". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| Toronto Tempo vs. Los Angeles Sparks | 37% YES | 63% NO |
The Toronto Tempo will face the Los Angeles Sparks in a WNBA regular season matchup on 15 May at 10:00 PM ET. The current order book on Polymarket reflects a 37% implied probability for a Toronto victory, suggesting the market views Los Angeles as the favoured side. This probability formation occurs within the broader context of the 2026 WNBA season, where roster composition, recent form, and home-court advantage typically drive pricing in regular season games.
Historical WNBA matchup data indicates that home teams win approximately 55–60% of regular season contests, a baseline that traders should consider when evaluating the current probability. The Sparks play at home in this fixture, which typically commands a modest but measurable advantage in win probability. Comparative recent seasons show that expansion or newly restructured franchises like Toronto often trade at a discount early in their competitive cycles, particularly when facing established organisations with deeper playoff experience.
Traders should monitor roster availability announcements in the days preceding the match, particularly injury reports for key players on either side. Schedule density—whether either team is playing back-to-back games or has had extended rest—can materially shift game outcomes. Weather conditions are immaterial for an indoor venue, but travel fatigue and coaching adjustments following recent performances may influence line movement. Any official postponement would extend the settlement window, whilst cancellation without rescheduling would trigger the 50-50 resolution clause.
This market settles from the official outcome published at https://www.wnba.com/. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
The mechanics for trading "Toronto Tempo vs. Los Angeles Sparks" are the same as any other PolyGram sporting event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$0 in lifetime turnover and $1K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
As of today, traders on Polymarket price this outcome at 37%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
Resolution is sourced from https://www.wnba.com/. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
This prediction market is scheduled to close on 16 May 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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