Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
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 BTC Prediction.
Active sub-markets
| Boston Celtics | 0% YES | 100% NO |
| Brooklyn Nets | 1% YES | 99% NO |
| Indiana Pacers | 0% YES | 100% NO |
| LA Clippers | 0% YES | 100% NO |
| Orlando Magic | 0% YES | 100% NO |
| Philadelphia 76ers | 0% YES | 100% NO |
Market context
Austin Reaves has officially agreed to a four-year, $185 million maximum contract with the Los Angeles Lakers, effectively removing him from the free-agency market and ensuring he will not join a new team before October 2026[1][2]. This binding agreement, which includes a fourth-year player option, means the crowd-implied probability of 0% for him joining another team is entirely accurate given the real-world event[2]. The deal represents the largest contract ever awarded to an undrafted player in NBA history, surpassing previous benchmarks and locking Reaves into the Lakers' core for the foreseeable future[1].
Historically, comparable cases such as Kevin Love’s 2014 extension or Jimmy Butler’s 2016 max deal illustrate how early max contracts eliminate free-agency speculation, rendering any market predicting a team change fundamentally void[1][3]. When a player accepts a maximum offer from their current franchise, especially one with player options and significant annual raises unavailable to rivals, the probability of a subsequent move drops to zero, mirroring the current 0% settlement[2]. The Lakers’ ability to offer 8% annual raises versus the 5% cap for other teams created an insurmountable financial barrier, ensuring Reaves remained in Los Angeles[2].
Traders should monitor the official signing announcement date and the contract’s fourth-year player option clause, as these are the only dependencies that could theoretically alter the outcome[2]. While the Jazz retained interest in Reaves prior to the agreement, no credible offers materialised once the Lakers presented their max deal, confirming the market’s resolution to "Other" if no new team is joined[5]. With the settlement window ending in October 2026 and Reaves already contracted, the only catalysts to watch are formal league confirmations or potential future buyout scenarios, though none are currently anticipated[1][3].
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Where can I trade this market with the lowest fees?
- On BTC Prediction, 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.
- 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 BTC Prediction?
- Zero. BTC Prediction 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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