Trade: Los Angeles Sparks vs. Las Vegas Aces
Resolution criteria on PolyGram: In the upcoming WNBA game, scheduled for May 23 at 8:00PM ET: If the Los Angeles Sparks win, the market will resolve to "Los Angeles Sparks". If the Las Vegas Aces win, the market will resolve to "Las Vegas Aces". 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.
- Liquidity
- $8
- Total Volume
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- 24h Volume
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- Open Interest
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Market outcomes
| Los Angeles Sparks vs. Las Vegas Aces | 50% YES | 50% NO |
Market context
The Los Angeles Sparks face the Las Vegas Aces on 23 May at 8:00PM ET in a regular-season WNBA matchup. The current order book on Polymarket reflects a 50-50 split, indicating substantial uncertainty about the outcome. This even split suggests traders view both teams as evenly matched for this particular fixture, with neither side commanding a clear edge in the market's assessment.
Historically, matchups between these franchises have shown competitive variance. The Aces, as defending champions and perennial playoff contenders, typically carry stronger fundamentals and roster depth, yet the Sparks have demonstrated capacity to compete in individual games. The 50-50 probability on the order book reflects genuine parity in how traders are pricing this encounter, rather than a default position. Recent WNBA seasons have shown that mid-season regular-season games often produce tighter markets than playoff contests, as injury status and rotation decisions create genuine uncertainty.
Traders should monitor roster availability in the days preceding the match, particularly any late injury announcements from either side. The Aces' depth at guard and forward positions has historically been a strength, whilst the Sparks' performance often hinges on their perimeter shooting consistency. Schedule congestion—whether either team is playing back-to-back games—can materially affect performance. The settlement window closes 24 May at 00:00 UTC, allowing approximately 24 hours post-game for final confirmation of the result.
Wikipedia Context
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Los AngelesLos Angeles (LA) is the most populous city in the U.S. state of California, and the commercial, financial, and cultural center of Southern California. With an estimated 3.88 million residents within the city limits as of 2024, it is the second-most populous city in the United States, behind New York City, and the largest city in the Western United States. Th
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Los Angeles TimesThe Los Angeles Times is an American daily newspaper that began publishing in Los Angeles, California, in 1881. Based in the Greater Los Angeles city of El Segundo since 2018, it is the sixth-largest newspaper in the U.S. and the largest in the Western United States with a print circulation of 63,500. As of 2022, it had 500,000 online subscribers, the fifth-
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Los Angeles LakersThe Los Angeles Lakers are an American professional basketball team based in Los Angeles. The Lakers compete in the National Basketball Association (NBA) as a member of the Pacific Division of the Western Conference. The Lakers play their home games at Crypto.com Arena, an arena they share with the Los Angeles Sparks of the Women's National Basketball Associ
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Los Angeles AngelsThe Los Angeles Angels are an American professional baseball team based in Anaheim, California, within the Greater Los Angeles area. The Angels compete in Major League Baseball (MLB) as a member club of the American League (AL) West Division. Since 1966, the team has played its home games at Angel Stadium.
Resolution source
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.
How to trade this market step by step
The mechanics for trading "Los Angeles Sparks vs. Las Vegas Aces" 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.
- Sign in on polygram.ink with your email — no full KYC under $1,500 lifetime trading volume.
- Deposit USDC on Polygon (lowest fees, ~$0.01 per transaction) or Ethereum. Funds credit after 12 confirmations.
- Pick a side. Buy YES if you believe the event will happen; buy NO if you think it won't. The current YES price reflects the market's collective probability.
- Size your position. If you stake 100 USDC at 50% YES, you'll receive shares that pay $200 if YES resolves true — a 100% gross return. If NO resolves, your shares are worth $0.
- Set risk controls (optional). Stop-loss, take-profit, and limit-order types all supported. Use the trade ticket's slippage box to cap your maximum entry price.
- Wait for resolution. When the event resolves on-chain via the UMA optimistic oracle, the winning side settles to 100¢ automatically and USDC hits your balance within seconds. Withdrawable to any wallet you control.
How active is this market?
$0 in lifetime turnover and $8 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.
Key terms
- YES / NO share
- A binary outcome token that pays $1.00 if the underlying claim resolves true (YES) or false (NO), and $0 otherwise. The market price between 0¢ and 100¢ is the implied probability.
- CLOB
- Central limit order book. The matching engine that pairs YES buyers with NO buyers (effectively the same trade). Polymarket's CLOB on Polygon executes trades on-chain via the conditional-tokens framework.
- Liquidity
- USDC capital sitting in resting limit orders inside the order book. Deeper liquidity means smaller slippage on large trades and a tighter bid-ask spread.
- UMA optimistic oracle
- The on-chain dispute system that settles each Polymarket market. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution.
- Slippage
- The difference between the displayed mid-price and your fill price. Affects market orders most; limit orders avoid slippage but may take time to fill.
- Conditional token
- ERC-1155 outcome share issued by Gnosis Conditional Tokens on Polygon. The token type that resolves to $1.00 or $0.00 at settlement.
Frequently asked questions
What is the current probability for "Los Angeles Sparks vs. Las Vegas Aces"?
As of today, traders on Polymarket price this outcome at 50%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
How does this market resolve?
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.
When does this market close?
This prediction market is scheduled to close on 24 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.
How can I trade on "Los Angeles Sparks vs. Las Vegas Aces"?
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.
What happens when the market resolves?
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.
Risk and regulatory note
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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