Shanghai Sharks vs. Zhejiang Lions

Platform comparison

Market context

The Shanghai Sharks face the Zhejiang Lions in a Chinese Basketball Association fixture scheduled for 28 May at 7:35 AM ET. On Polymarket, this contract has settled at 100% YES pricing, meaning traders are pricing in Shanghai as near-certain victors. The conditional token structure on Polygon means positions resolve to either Shanghai or Zhejiang outcomes, with USDC settlement tied to the final score including overtime. The settlement window extends to 4 June, providing a buffer should postponement occur; cancellation without rescheduling triggers a 50-50 split.

Historical CBA matchups between these clubs show Shanghai holding a stronger regular-season record over recent seasons, which partially explains the extreme probability skew. However, playoff or tournament contexts have occasionally produced upsets, and Zhejiang has demonstrated capacity to compete when roster health aligns. The current 100% pricing suggests either exceptionally lopsided recent form or sparse liquidity depth on the Zhejiang side of the order book—a common pattern in lower-volume sports markets where small positions can push implied probabilities to extremes.

Traders should monitor CBA scheduling announcements for any postponement notices, as the settlement window's extension to 4 June accommodates delays. Injury reports for key Shanghai players in the week prior to tip-off represent the primary catalyst that could shift on-chain pricing meaningfully. Recent CBA communications have been published via the league's official channels and major Chinese sports outlets; any roster changes or venue alterations would typically surface there first, well ahead of the 28 May fixture.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.

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 Polymarket Scam?, 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.

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What does it cost to trade on Polymarket Scam??

Zero. Polymarket Scam? routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.