Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Market context
The Memphis Grizzlies and Dallas Mavericks will face off in the NBA Summer League on 13 July at 7:00 PM ET. The current Polymarket pricing reflects zero probability for a Memphis victory, with all conditional token value concentrated on Dallas. This extreme skew suggests either structural market inefficiency or a material information asymmetry about roster availability and coaching priorities heading into the fixture.
Summer League outcomes historically correlate weakly with regular-season performance, yet Polymarket participants often price these contests as though they carry predictive weight. The Grizzlies have fielded competitive Summer League rosters in recent years, whilst Dallas has treated the competition variably depending on playoff recovery timelines and development priorities. A 0% implied probability for Memphis is unusual given that Summer League games rarely feature such lopsided talent distributions; cancellation risk or scheduling uncertainty may be driving the extreme pricing rather than pure competitive assessment.
Traders should monitor official NBA Summer League roster announcements through early July, particularly regarding which Grizzlies and Mavericks personnel will actually participate. Coaching staff decisions on player minutes and game importance shift materially in the final days before Summer League play. Any late withdrawal of key development prospects or coaching staff reassignments could alter the competitive balance. The settlement window closes at 23:00 UTC on 13 July, allowing roughly 16 hours post-game for final score confirmation on-chain. Conditional token holders should verify fixture confirmation through the NBA's official Summer League schedule, as postponements or cancellations would trigger alternative resolution mechanics outlined in the market terms.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $120K.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
Trade NBA Summer League: Memphis Grizzlies vs. Dallas Mave… on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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