Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Klarna UK) Pick polygram.ink (preferred broker) |
87% | 13% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
87% | 13% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| August 31 | 87% |
| August 26 | 79% |
| August 20 | 46% |
| August 21 | 46% |
| August 19 | 40% |
| August 18 | 25% |
| August 14 | 6% |
Market context
Kai Cenat and IShowSpeed have started a live Hardcore Minecraft marathon, so the immediate question is not whether the run exists, but how long the broadcast stays up before Kai’s Twitch stream ends. The market is tied to the live marathon window and only resolves **Yes** if his Twitch channel stops broadcasting the marathon within the settlement rules and does not resume it within 12 hours[16].
The clearest historical guide is their earlier Minecraft marathon, which lasted a little over 105 hours and ended only after they finally beat the Ender Dragon, with multiple resets along the way[2][4][5]. That precedent suggests that even an extended, high-pressure stream can keep running for days, but it also shows how late-stage fatigue, deaths, and repeated restarts can stretch the schedule unpredictably[2][7][13]. On that basis, a **6%** crowd price implies the market is treating an early or mid-run shutdown as a low-probability outcome relative to the long-form habit established by the duo’s prior challenge[13][16].
For traders, the main catalysts are operational rather than thematic: whether the pair publicly commits to a shorter run, whether one platform drops the simulcast, and whether the challenge escalates into a longer multi-boss objective rather than a single clear finish. Because funding flows matter here, deposit convenience and withdrawal rails can shape participation at the margin: low-friction on-ramps such as **Klarna**, fast settlement paths such as **SEPA**, and stablecoin use such as **USDC** all tend to support tighter books by making it easier for smaller traders to enter and recycle capital.
Methodology
This page compares Kai and Speed finish their Minecraft marathon by 2026? with a focus on payment rails and deposit friction. Polymarket accepts USDC on Polygon only; Kalshi only ACH/Plaid (US only); Betfair card/SEPA in EU/UK; Manifold no deposit. Polymarket Klarna UK additionally offers Klarna and SOFORT as fiat on-ramps to USDC. Live odds reflect the Polymarket order book.
Resolution & payout
Settlement path determines payout latency. Polymarket settles on-chain (USDC, minutes). Broker frontends like Polymarket Klarna UK add Klarna/SOFORT as fiat withdrawal options with T+1 processing. Kalshi: USD via ACH (T+1 to T+3). Betfair: local currency via card/SEPA (T+1 to T+5).
UK Frequently Asked Questions
- Which payment methods are supported?
- Klarna (Pay Now / Pay Later), SOFORT, SEPA bank transfer, credit card (Visa/Mastercard), Apple Pay, Google Pay, and direct USDC deposit on Polygon. Availability depends on your jurisdiction.
- How fast is SEPA deposit?
- SEPA Instant: under 10 seconds. SEPA Standard: 1-2 business days. Both accepted fee-free; the internal USDC conversion runs automatically once EUR lands in the platform account.
- Can UK traders use Klarna to deposit on Polymarket?
- Polymarket does not natively accept Klarna. To fund a Polymarket account from the UK, you must first purchase USDC via a crypto exchange (Coinbase UK, Kraken) or Revolut, then transfer to a Polygon-compatible wallet. Some third-party on-ramps (MoonPay, Transak) accept UK debit cards and may support Klarna buy-now-pay-later for crypto purchases.
- What payment methods can UK users use for Polymarket?
- UK traders typically use: (1) Coinbase UK or Kraken — buy USDC with GBP debit card or bank transfer; (2) Revolut — buy crypto and send to wallet; (3) MoonPay or Transak — Visa/Mastercard UK debit card directly to USDC on Polygon. Standard GBP-to-USDC conversion fees range from 0.5–2.5%.
- How long do Polymarket withdrawals take for UK users?
- Polymarket withdrawals to your Polygon wallet are instant (on-chain). Converting USDC back to GBP via Coinbase UK or Kraken typically takes 1–3 business days for bank transfer, or near-instant for Revolut. Polygon gas fees are minimal (<$0.01 per transaction).
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