Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Market context
Shenzhen Leopards and Zhejiang Lions meet again in a CBA play-off game after Zhejiang’s 92-85 win in Game 2, a result that gives the Lions a 2-0 series lead and makes them the clear favourite in this market. A 100% YES crowd-implied probability leaves virtually no room for disagreement, so the consensus is already fully priced towards Zhejiang. From a handicapper’s angle, that usually means the only obvious value case is on the underdog, but only if the market has overreacted to the series score rather than the underlying matchup. Recent head-to-heads have swung both ways: Shenzhen beat Zhejiang 97-75 on 2 April, while Zhejiang had already taken the earlier semi-final games, underlining that game-to-game variance remains material even in a one-sided series.
The main catalysts are line-up and availability updates before tip-off, plus any late change in venue, timing or series schedule if the play-off format is adjusted. Zhejiang’s Game 2 win was powered by Barry Brown’s 30 points, which reinforces the Lions’ scoring ceiling if their main creators are active, while Shenzhen will need a sharper half-court response after failing to keep pace late. Flashscore and Sofascore currently list the game for 21 May at 11:35 UTC, so traders should watch for confirmed line-ups and any official CBA notices right up to the start. If there is no postponement or reschedule, the market will be decided by the final score, including overtime, with Zhejiang still the side the market has overwhelmingly priced as the favourite.
Methodology
We track Shenzhen Leopards vs. Zhejiang Lions on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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 PolyGram, 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's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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.
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