Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Market context
The Memphis Grizzlies and Dallas Mavericks will meet in the NBA Summer League on 13 July at 7:00 PM ET. This matchup represents a relatively minor fixture within the league's developmental calendar, where rosters typically feature draft picks, undrafted prospects, and players competing for roster spots or rehabilitation time. The Mavericks have historically fielded more competitive Summer League squads given their organisational depth, whilst Memphis has used the competition variably depending on injury status and roster construction priorities in any given year.
Summer League outcomes diverge substantially from regular-season predictability because rosters lack continuity and coaching emphasis differs markedly. Historical comparison suggests that sportsbooks offer limited liquidity on these fixtures, with lines often reflecting organisational reputation rather than granular roster analysis. The 0% implied probability currently displayed represents either extreme illiquidity on this particular contract or a technical settlement condition—such as a high cancellation risk or postponement likelihood—that traders should verify against official NBA scheduling announcements and venue confirmations before committing capital.
Traders monitoring this market should track roster announcements from both franchises, which typically emerge within 48 hours of tip-off. Injury updates, particularly involving players with NBA rotation aspirations, can shift competitive balance substantially in Summer League contexts. Recent NBA scheduling has occasionally seen Summer League games postponed due to venue conflicts or player availability adjustments. Cross-platform comparison with major sportsbooks will reveal whether the current zero probability reflects genuine market consensus or simply absent order flow on this particular prediction market contract.
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 Kalshi vs Polymarket, 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 Kalshi vs Polymarket. 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 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 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.
Trade NBA Summer League: Memphis Grizzlies vs. Dallas Mave… on Kalshi vs Polymarket
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