Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
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 Kalshi UK.
Active sub-markets
| Boston Celtics | 0% YES | 100% NO |
| Brooklyn Nets | 0% YES | 100% NO |
| Indiana Pacers | 9% YES | 91% NO |
| LA Clippers | 1% YES | 99% NO |
| Orlando Magic | 17% YES | 83% NO |
| Philadelphia 76ers | 0% YES | 100% NO |
Market context
Austin Reaves has officially agreed to remain with the Los Angeles Lakers, finalising a four-year, $185 million contract that secures his future through the 2029–30 season[1][2]. This decision resolves the market to "Other" immediately, as the bet concerns his next team, not his current one. On Polymarket, the contract trades at 0% YES for any listed team, reflecting the on-chain certainty that no new signing will occur before the settlement window closes in October 2026. The conditional tokens governing this market, settled in USDC on Polygon, now hold zero value for any team-specific outcome, as the underlying event has been conclusively settled by the Lakers' announcement.
Historically, similar free-agency scenarios where a star player re-signs with their incumbent team have rendered "next team" markets worthless, as seen when Luka Dončić stayed with Dallas or when Jayson Tatum renewed with Boston[2]. In these cases, the crowd-implied probability for any external team drops to zero once the re-signing is confirmed, mirroring today's 0% valuation. The Lakers' ability to fend off interest from the Detroit Pistons and Brooklyn Nets, both of whom prepared maximum offers, underscores the rarity of such a decisive re-signing in the current NBA landscape[2].
Traders should monitor the official signing announcement, which has already resolved the market, and watch for any future contract extensions or trade rumours that might alter Reaves' status before October 2026[3]. While no immediate catalysts exist for a new team, the NBA's free-agency calendar and potential roster moves by the Lakers could influence long-term speculation, though these do not affect the current market resolution[3]. The settlement window remains open until 2026-10-31, but the market's outcome is already fixed due to the confirmed re-signing.
Methodology
We track NBA Free Agency: Austin Reaves Next Team 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
- 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 Kalshi UK?
- Zero. Kalshi UK 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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