Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
90% | 10% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
90% | 10% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Golden State Warriors | 90% |
| Team A | 50% |
| Team B | 50% |
| Other | 50% |
| Cleveland Cavaliers | 28% |
| Orlando Magic | 7% |
| Brooklyn Nets | 5% |
| Miami Heat | 5% |
| Indiana Pacers | 3% |
| Detroit Pistons | 2% |
| LA Clippers | 2% |
| Los Angeles Lakers | 2% |
| Washington Wizards | 2% |
| Atlanta Hawks | 1% |
| Charlotte Hornets | 1% |
| Dallas Mavericks | 1% |
| Memphis Grizzlies | 1% |
| Milwaukee Bucks | 1% |
| New Orleans Pelicans | 1% |
| Oklahoma City Thunder | 1% |
| Philadelphia 76ers | 1% |
| Phoenix Suns | 1% |
| San Antonio Spurs | 1% |
| Toronto Raptors | 1% |
| Utah Jazz | 1% |
| Boston Celtics | 0% |
| Chicago Bulls | 0% |
| Denver Nuggets | 0% |
| Houston Rockets | 0% |
| Minnesota Timberwolves | 0% |
| New York Knicks | 0% |
| Portland Trail Blazers | 0% |
| Sacramento Kings | 0% |
Market context
Draymond Green has officially declined his $27.7 million player option with the Golden State Warriors, becoming an unrestricted free agent for the 2026–27 season, though all credible indicators suggest he will re-sign with his long-time club rather than join a new team [1][2]. This market, which resolves to his next official team by October 2026, currently shows a 0% implied probability for any new affiliation, reflecting the overwhelming consensus that a departure is unlikely.
Historically, veteran stars in Green’s position—particularly those with 15 seasons of service and deep ties to a franchise—rarely switch teams unless forced by contract disputes or retirement, a pattern seen in comparable cases where loyalty outweighed financial incentives [1][9]. The 0% crowd-implied probability aligns with this precedent, as the Warriors are actively navigating an offseason that may include adding LeBron James, making Green’s return strategically vital rather than a transactional exit [2].
Traders should monitor the official signing announcement window, which closes immediately upon any co-signed declaration, alongside the Warriors’ free agency moves and trade discussions involving Anthony Davis [2]. Key catalysts include Green’s own statements following his return from France and any formal re-signing news from the team, which would instantly resolve the market to “Warriors” or “Other” if no new team is named [3][6]. No external crypto mechanics currently tie to this NBA event, but USDC settlement and BTC/ETH macro flows remain the underlying infrastructure for all market trades on btc-prediction.bet.
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 — sit alongside as off-chain reference points so you can see how the contract translates across regulatory and settlement regimes.
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
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- How volatile are crypto prediction markets?
- Crypto markets react to spot prices — a 5% BTC move typically shifts a "BTC above X by date" market 10-20%. Polymarket crypto market liquidity is usually six-figure USD, sufficient for active trading.
- Which crypto markets exist on Polymarket?
- Currently active markets include BTC/ETH/SOL price targets, halving dates, ETF approvals, hard-fork outcomes and Layer-2 TVL thresholds. The list updates weekly; biggest volume sits on BTC and ETH price forecasts.
- Are crypto prediction markets taxable in the US?
- In the US, prediction market gains are typically treated as ordinary income or short-term capital gains depending on holding period. Consult a tax professional for your specific situation — we cannot provide tax advice.
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