Which mobs will eliminate Kai or Speed?

Platform comparison

Market context

The latest change is that Kai Cenat and IShowSpeed’s Hardcore Minecraft marathon is now live and being treated as an open-ended endurance run, so the market is pricing a near-certainty that at least one of the listed mobs will end a run before the settlement cut-off. The current 100% implied probability reflects the fact that the challenge is not a short scripted session: the pair are playing permadeath Hardcore, on the same seed, and have already framed the goal around clearing multiple late-game bosses rather than stopping after a single objective.[1][5]

Historically, this sort of market has leaned heavily towards a “Yes” once the run is underway, because Hardcore Minecraft punishes even brief mistakes and the duo’s previous long-form broadcasts have shown how quickly high-stakes goals can unravel. Coverage of earlier Kai-and-Speed Minecraft sessions described repeated failures, arguments over progress, and a run that had already stretched to dozens of hours, with one report noting they were still playing after 71 hours and that they had turned the challenge into a marathon with no fixed end time.[3][4] That background matters because the market resolves on a death message for any of the named mobs, not on victory, so the relevant question is less whether they finish and more whether the run reaches those encounters.

For traders, the key catalysts are schedule discipline, stream continuity, and whether the pair stay on the same world long enough to reach the wither, elder guardian, or Warden phases. The clearest public signal so far is the joint launch format: Kai on Twitch and Speed on YouTube, both streaming the same attempt, which reduces the chance of a simple platform switch ending exposure to the event.[1][5] Any change to the marathon’s pace, a pause after an off-air restart, or an early abandonment would matter more than commentary noise, because the market window runs until 31 August and still leaves time for a later continuation if the first session stalls.[1]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Which mobs will eliminate Kai or Speed? 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

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.

UK Frequently Asked Questions

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.

Is Polymarket legal in the UK?

Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.

Do I pay tax on prediction market profits in the UK?

UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.

How do I deposit on Polymarket from the UK?

UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.