Trade: Al Riyadh Saudi Club vs. Al Okhdood SC - More Markets
Resolution criteria on PolyGram: More markets for the Saudi Professional League game, scheduled for May 21 at 2:00 PM ET.
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
- $3K
- Total Volume
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- 24h Volume
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- Open Interest
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Market outcomes
| Al Riyadh Saudi Club (-1.5) | 37% YES | 64% NO |
| Al Okhdood SC (-1.5) | 37% YES | 63% NO |
| Al Riyadh Saudi Club (-2.5) | 37% YES | 64% NO |
| Al Okhdood SC (-2.5) | 43% YES | 57% NO |
| O/U 1.5 | 54% YES | 46% NO |
| O/U 2.5 | 54% YES | 47% NO |
| O/U 3.5 | 48% YES | 53% NO |
| O/U 4.5 | 42% YES | 58% NO |
Market context
Al Riyadh and Al Okhdood will meet in the Saudi Professional League on 21 May 2026 at 14:00 ET. The current order book on Polymarket reflects a 37% implied probability for the "More Markets" outcome, suggesting traders are pricing in a relatively low likelihood of additional betting markets being offered on this fixture. This probability has formed through cumulative trading activity as participants weigh the commercial incentives for market expansion against platform constraints and historical precedent for similar domestic league matches.
The Saudi Professional League has experienced significant growth in liquidity and market coverage since its 2023 rebranding, though not all fixtures receive identical market depth. Historical patterns show that mid-table matchups—particularly those without direct title or relegation implications—receive fewer secondary markets than high-stakes encounters. Al Riyadh's current league position and Al Okhdood's standing will influence whether additional betting opportunities materialise, as platforms typically prioritise markets for fixtures with broader appeal.
Traders should monitor official Saudi Professional League fixture confirmations and any schedule adjustments closer to the settlement date. Platform announcements regarding market expansion for this fixture would constitute a direct catalyst. Additionally, any late-season developments affecting either club's competitive standing could alter the perceived value of additional markets, though such changes would need to occur before the 21 May settlement window closes.
Wikipedia Context
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RiyadhRiyadh is the capital and largest city of Saudi Arabia. It is also the capital of the Riyadh Province and the centre of the Riyadh Governorate. Located on the eastern bank of Wadi Hanifa, the current form of the metropolis largely emerged in the 1950s as an expansion of the 18th-century walled town, following the dismantling of its defensive fortifications.
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Al-Riyadh SCIt currently plays in the Saudi Pro League. It was established in 1953 as Ahli Al-Riyadh, then changed its name to Al-Yamamah and finally to Al-Riyadh. Best known for its football team, Al-Riyadh also have squads in other sports.
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Al Riyadh (newspaper)Al Riyadh is a Riyadh-based, pro-government Saudi daily newspaper. Its sister paper was Riyadh Daily that was in circulation between 2003 and 1 January 2004. Al Riyadh is one of the dominant papers in Nejd.
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Al-Riyadh SC (women)Al-Riyadh Saudi Women's Club, commonly known as Al-Riyadh Ladies is a Saudi women's professional football club, representing Al-Riyadh SC. It competed in Saudi Women's Premier League, following promotion in the 2022–23 season, achieved by winning the First Division League.
Resolution source
This market settles from the official outcome published at https://www.slstat.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 "Al Riyadh Saudi Club vs. Al Okhdood SC - More Markets" 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 $3K 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
How does this market resolve?
Resolution is sourced from https://www.slstat.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 21 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 "Al Riyadh Saudi Club vs. Al Okhdood SC - More Markets"?
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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