Trade: Zhejiang Lions vs. Shanxi Loongs

Market context

The Chinese Basketball Association matchup between Zhejiang Lions and Shanxi Loongs is scheduled for 13 May at 7:35 AM ET. The market currently reflects a 74% implied probability for a Zhejiang Lions victory, formed through order flow on Polymarket's book. Settlement occurs by 20 May, with provisions for postponement extension and a 50-50 split should cancellation occur without rescheduling.

Zhejiang Lions finished the 2024–25 CBA regular season with a stronger record than Shanxi Loongs, which contextualises the current probability skew. Historical matchups between these clubs show Zhejiang holding a competitive edge in head-to-head records over recent seasons. The 74% probability reflects this baseline advantage, though playoff or tournament formats can produce variance from regular-season performance patterns. Comparable CBA markets typically see probabilities shift 5–10 percentage points in the final week before fixture dates as injury reports and team composition become clearer.

Traders should monitor official CBA announcements regarding roster availability, particularly any late injury declarations or suspension confirmations that could affect either squad's starting lineup. Shanxi's recent form and any coaching adjustments will be relevant catalysts. The early morning ET kickoff time (13 May, 7:35 AM) may affect liquidity patterns on the order book in the hours immediately preceding the match. Weather and venue conditions are less material for indoor basketball, but fixture postponement risk exists if either team faces logistical disruption. The settlement window extends to 20 May, providing a week buffer for rescheduled games.

Resolution source

This market settles from the official outcome published at https://www.flashscore.com/basketball/china/cba. 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 "Zhejiang Lions vs. Shanxi Loongs" 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.

1. Sign in on polygram.ink with your email — no full KYC under $1,500 lifetime trading volume.
2. Deposit USDC on Polygon (lowest fees, ~$0.01 per transaction) or Ethereum. Funds credit after 12 confirmations.
3. 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.
4. Size your position. If you stake 100 USDC at 72% YES, you'll receive shares that pay $139 if YES resolves true — a 39% gross return. If NO resolves, your shares are worth $0.
5. 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.
6. 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 $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.

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.

See the full prediction-market glossary →

Frequently asked questions

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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