Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Legal UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Hundred / Thousand / Million 10+ times | 100% |
| Dollar 5+ times | 100% |
| Time 5+ times | 100% |
| Sleep / Sleeping | 100% |
| Prize | 100% |
| Red Line | 100% |
| Feastables | 100% |
| Contestant | 100% |
| AI / Artificial Intelligence | 5% |
| Wife | 0% |
| Wedding / Married | 0% |
| Market / Supermarket | 0% |
| Grocery Store | 0% |
| Insane | 0% |
| Sponsor / Sponsored / Sponsoring | 0% |
| Chandler | 0% |
| Karl | 0% |
| Subscribe / Subscribed | 0% |
| -No Qualifying Event- | 0% |
Market context
The real-world event is whether MrBeast says the listed term in his next main YouTube upload before the market’s cutoff on 31 August 2026. Because the contract only counts the next video posted on his channel, not Shorts, previews, or other uploads, the key accessibility point is the *video itself*, and the current 100% YES crowd price implies traders see the wording as close to routine rather than exceptional.
That reading is consistent with how comparable MrBeast mention markets have behaved: on Lines, a prior MrBeast phrasing contract finished at 100% YES, showing that traders often anchor on his repetitive vocabulary and sponsor-heavy, challenge-video style rather than treating the question as a random-phrase guess.[1] On Polymarket’s own market page, the broader wording set has also been priced around 100% for several recurring terms, which suggests the present market is mainly a test of whether the next upload follows familiar production language.[16] From a legal-structure angle, Polymarket’s geofencing and no-KYC policy matter for access rather than settlement: users in Germany face GlüStV-linked gambling restrictions, while US traders face the CFTC’s jurisdictional backdrop even where access is technically available, and “no-KYC up to $1,500” means smaller positions can typically be opened with limited identity checks before higher verification thresholds apply.
Traders should watch for a new main-channel upload, any change in title or thumbnail signalling an atypical format, and any scheduling or sponsor-dependent shift that could alter the first few minutes of dialogue. Recent coverage has said MrBeast is adjusting his 2026 content mix as audiences become more fatigued with large-scale spectacle, which could matter if the next video departs from his usual cash-and-challenge script.[6] The practical catalyst is simple: if he posts a standard high-energy challenge video, the probability that he uses recurring monetary language or catchphrases remains high; if the upload is a quieter format, the market’s assumptions become less reliable.
Methodology
This overview of What will MrBeast say during his next YouTube video? reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
UK Frequently Asked Questions
- Is Polymarket legal in my country?
- Polymarket is geo-blocked in the US/UK/EU. Actual usage via the Polymarket interface is not possible there. The legal status itself varies — many countries treat prediction markets as a gray area. Polymarket Legal UK has a different geo footprint.
- Is Polymarket regulated by the UKGC?
- No. Polymarket is not licensed by the UK Gambling Commission (UKGC). It is a decentralised prediction market operated under US regulation. UK traders can use it but do not benefit from UKGC dispute resolution or player protection requirements.
- What are the HMRC tax rules on Polymarket profits for UK traders?
- Polymarket profits are treated as cryptocurrency disposal events by HMRC. Each USDC settlement is a taxable event subject to Capital Gains Tax (CGT). For 2026/27, the CGT rate is 18% (basic rate) or 24% (higher rate). The annual CGT exemption is £3,000. Report via HMRC Self Assessment if your total crypto gains exceed £3,000 or proceeds exceed £50,000.
- Does Polymarket KYC apply to UK users?
- Yes. Polymarket requires KYC (Know Your Customer) verification for all users, including UK residents. You must provide a government-issued photo ID and a selfie. The process typically takes 5–10 minutes via their ID verification provider.
- What is the legal difference between Polymarket and Betfair Exchange for UK traders?
- Betfair Exchange is UKGC-licensed, meaning UK consumer protections apply and winnings are typically tax-free. Polymarket is not UKGC-licensed — it operates under decentralised blockchain rules. Profits from Polymarket are subject to HMRC CGT as crypto disposals. Choose based on your regulatory preference and tax situation.
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