Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) Pick polygram.ink (preferred broker) |
19% | 81% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
19% | 81% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| August 17 | 19% |
| August 16 | 16% |
| August 15 | 13% |
| August 13 | 6% |
| August 14 | 6% |
| August 12 | 5% |
| August 11 | 3% |
| August 10 | 1% |
Market context
Kai Cenat and IShowSpeed’s 7 August hardcore *Minecraft* marathon is a live endurance event, not a short-form gaming challenge, and the market depends on them clearing four separate boss objectives on the same Java Edition seed without either player dying in-game. The current prediction-market price of 1% YES is consistent with the fact that even the previous collaboration took roughly 105 hours and 42 restart attempts before they finally beat the Ender Dragon, which shows how punishing their hardcore runs can be.[4][5][9]
That history is the main comparator for reading this contract: the pair have already proved they can eventually complete a hardcore run, but the new condition set is materially harder because it requires the Ender Dragon, Wither, Warden and Elder Guardian to fall in one uninterrupted survival world. A recent pre-stream preview noted the broadcast was set to begin at 5 p.m. ET and could run for days, with one commentator warning that a repeat of the earlier marathon could easily push the finish beyond the first weekend.[7][14] That helps explain why a 1% market implies extreme scepticism despite their prior success.
For traders, the key catalysts are straightforward: whether the stream actually starts on schedule, whether both creators remain on the same seed, and whether either channel confirms a restart or a death that would invalidate the hardcore attempt. Public coverage ahead of the event highlighted the scale of the challenge and the possibility of a very long broadcast, but there is no evidence in the available sources that the pair had already completed all four objectives by settlement time.[7][14]
Methodology
We track Kai and Speed beat Minecraft challenge by 2026? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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.
UK Frequently Asked Questions
- 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 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- What are the best prediction markets for UK traders in 2026?
- For UKGC-regulated markets: Betfair Exchange (sports, politics) and Smarkets (sports, politics, lower commission than Betfair). For broader global event prediction: Polymarket (deepest liquidity, 0% fee, USDC settlement). For US-regulated option: Kalshi (USD, limited UK payment options). Most serious UK traders use a combination of Betfair for regulated sports and Polymarket for broader markets.
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