Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
85% | 15% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
85% | 15% | 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 |
|---|---|
| 25–30M | 85% |
| 30–35M | 16% |
| 20–25M | 1% |
| <20M | 0% |
| 35–40M | 0% |
| 40–45M | 0% |
| 45–50M | 0% |
| 50M+ | 0% |
Market context
MrBeast’s next main-channel upload needs to clear its first 24 hours before this market can settle, and the main question is whether the video lands in the same dense cluster of recent day-one launches or breaks out above it. On-chain, the market is effectively a USDC-denominated view on a single YouTube counter, so traders are pricing the upload cadence rather than any long-duration engagement metric.
The recent comparable range is narrow enough to anchor the current probability. Polymarket’s own market page says MrBeast’s recent long-form challenge videos have opened with first-day views “clustering tightly between roughly 29M and 37M”, with the 25–30M band leading at 79% and 30–35M at 21%[1]. That framing fits the wider record: reported first-day outcomes on recent uploads have included around 14.4M for one video and roughly 71M for another, showing that concept strength and packaging can swing the opening-day print sharply[6][7]. The present 0% YES reading on the crowd-implied contract likely reflects the fact that the market is already near the upper end of the most recent observed distribution, leaving little room for a higher bracket without a very strong launch.
The main catalysts are simple but important: whether MrBeast announces the upload timing, whether the next video is a flagship long-form challenge rather than a Short or teaser, and how quickly YouTube’s recommendation system pushes it in the first hours. Traders should also watch broader crypto risk appetite, because BTC and ETH moves can affect on-chain liquidity and the willingness to take size in prediction markets, even when the underlying event is off-chain. The contract’s settlement mechanics matter too: if no video appears by the specified deadline, it resolves to the lowest range bracket, which creates a hard time-value floor rather than a pure popularity 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.
UK Frequently Asked Questions
- What are crypto prediction markets?
- Crypto prediction markets are on-chain smart contracts where you buy YES or NO shares on a future crypto event (e.g. "BTC above $100k by year-end"). The market price between 0¢ and 100¢ is the implied probability.
- How does UMA secure the resolution?
- The UMA Optimistic Oracle uses a bond system: a proposer posts a bond, a two-hour challenge window opens. On dispute the losing side forfeits the bond — financial incentive for honest resolution.
- 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%.
Trade # of views of next MrBeast video on day 1? on BTC Prediction
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