Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
52% | 48% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
52% | 48% | 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.
Active sub-markets
| Spread -1.5 | 52% YES | 49% NO |
| O/U 215.5 | 55% YES | 46% NO |
| Thunder vs. Spurs | 47% YES | 54% NO |
| Team to Score First | 44% YES | 56% NO |
| Odd/Even Score | 54% YES | 47% NO |
| 1H Spread -0.5 | 51% YES | 50% NO |
Market context
The Thunder and Spurs meet again on 22 May, with Oklahoma City having opened as a clear favourite despite San Antonio taking the first game of the series 122-115 after overtime was needed. The current 52% YES price implies only a narrow lean to the Thunder, which is consistent with a market that has already seen the spread trade around the 7 to 7.5-point range and the total sit in the 216.5 to 221.5 area across books. In a series where one team has already shown it can win the matchup outright and the other has the deeper regular-season profile, a near-even probability is not far from how markets usually settle when the favourite still owns the stronger underlying numbers but has just dropped an early game.
What matters now is whether Oklahoma City’s price tightens further if the market gets confirmation on rotation health and usage after Game 1. Recent reporting from CBS Sports and other betting outlets has shown the Thunder still favoured by roughly a touchdown, with the total shading down towards the low 217s, while preview commentary has pointed to a split in live markets depending on whether books are reacting to Game 1 overtime and pace. Traders should watch for late injury and availability updates, plus any shift in line-up usage around Shai Gilgeous-Alexander and Jalen Williams, because player workload in a quick turnaround can move both side and total. If Oklahoma City is backed by sharper money again, the YES price is more likely to harden; if San Antonio’s Game 1 win is treated as a genuine match-up edge rather than variance, the current 52% may prove too high.
Methodology
This page reviews Thunder vs. Spurs across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at PolyGram — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
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
- 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.
- What does it cost to trade on PolyGram?
- Zero. PolyGram 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.
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