Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
4% | 96% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
4% | 96% | 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
Polymarket has this contract pricing at **4% YES**, which implies the market sees Curry leaving Golden State before 22 October 2026 as a low-probability outcome. On Polymarket, buyers are holding USDC on Polygon inside conditional tokens, so the price is not about sentiment alone: it reflects how traders are valuing the chance that he is no longer on the Warriors’ official roster by the settlement deadline.
That low number fits the public contract picture. Curry agreed a one-year, $62.6 million extension in August 2024 that keeps him under contract through the 2026-27 season, and the Warriors said they want him to finish his career in Golden State.[2][12] Spotrac and subsequent reports also show his salary fully guaranteed through that season, making a pre-deadline exit more likely to come from an unusual event — retirement, a trade, or a roster move — than from normal contract expiry.[10][14] For context, Stephen Curry has spent his entire NBA career with the Warriors, so comparable star cases mostly point to extensions and final-career deals rather than sudden exits.[2][12]
The main catalysts are straightforward: a retirement announcement, a trade, or an official roster change by Golden State. A new extension is also relevant, because ESPN-linked reporting said Curry becomes eligible for further extension talks later in the summer, with some reports pointing to 29 August as the next key date.[11][13][15] If no such move lands, the default path is that he remains rostered through the settlement window, which is why traders are likely to watch team announcements and league transaction filings more than game-by-game performance.[1][5]
Methodology
This page reviews NBA: Stephen Curry to leave Warriors? across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
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
- 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.
- 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 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.
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