Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
68% | 32% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
68% | 32% | 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 |
|---|---|
| December 31, 2027 | 68% |
| June 30, 2027 | 54% |
| December 31, 2026 | 3% |
Market context
SpaceX and Geometric Energy Corporation's Doge-1 12U CubeSat mission aims to reach lunar orbit, carrying Dogecoin-themed payload and sensors. The satellite's launch window sits between now and 31 December 2026. Polymarket currently prices this contract at 54% YES, reflecting genuine uncertainty around whether SpaceX's launch manifest will accommodate this relatively modest payload within the specified timeframe. The conditional tokens trading on Polygon (USDC settlement) suggest traders view the mission as plausible but not assured—a reasonable middle ground given SpaceX's track record of schedule slippage balanced against their demonstrated capacity to execute lunar-class missions.
Historical precedent matters here. SpaceX has launched numerous secondary payloads and CubeSats as rideshare cargo, often fulfilling commitments within stated windows, though delays of 6–18 months are routine across the aerospace sector. The Doge-1 mission was originally announced for 2021–2022 launch; it has already experienced multi-year postponement. This history explains why the crowd hasn't priced certainty despite SpaceX's operational maturity. Comparable lunar-class missions from commercial operators have faced similar delays without ultimate cancellation, suggesting the 54% probability reflects realistic scepticism rather than existential risk to the mission itself.
Traders should monitor SpaceX's published launch manifest updates and any official announcements from Geometric Energy Corporation regarding payload readiness. Recent statements from SpaceX indicate their lunar-capable vehicles (Falcon 9, Starship) remain heavily booked through 2026, making available rideshare slots the critical constraint. Any formal launch date assignment or manifest confirmation would likely shift market pricing materially. Conversely, further delays or manifest compression would pressure the YES side downward.
Methodology
We track Will the Doge-1 Lunar Mission launch by 2027? 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%.
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