Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Kalshi UK.
Active sub-markets
Market context
SpaceX's private market valuation has become a closely watched metric for investors tracking the aerospace and launch services sector. The company's last major funding round in October 2024 valued it at $180 billion, representing a significant jump from its $137 billion valuation in September 2023. The settlement mechanism here relies on Nasdaq Private Market's daily NPM Price publication, which reflects actual secondary market transactions rather than speculative rounds. On Polymarket, the 100% YES probability across the valuation threshold suggests traders are pricing near-certainty that SpaceX will either maintain or exceed its current market value through June 2026—a relatively conservative bet given the company's trajectory and the two-year settlement window.
Historical precedent matters here. SpaceX has demonstrated consistent valuation growth over the past decade, with each funding cycle typically commanding higher prices than the last. The company's Starship development progress, Starlink revenue generation, and NASA contract wins have all supported upward revaluations. However, private market valuations can prove volatile; the broader venture capital environment contracted significantly in 2023, and aerospace companies face regulatory and technical execution risks that occasionally trigger downward adjustments.
Traders should monitor several concrete catalysts through mid-2026. SpaceX's Starship test flight cadence remains critical—successful orbital refuelling demonstrations or payload deployment would likely trigger positive secondary market repricing. Starlink's path to profitability and any new government contracts (particularly from the Department of Defence) could accelerate valuation momentum. Conversely, regulatory delays, launch failures, or a broader venture capital downturn could pressure the secondary market price downward, though the 100% odds suggest the market views these risks as minimal relative to the threshold in question.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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.
FAQ
- Where can I trade this market with the lowest fees?
- On Kalshi UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Kalshi UK triggers a quick verification flow that finishes in minutes.
Trade Will SpaceX's valuation hit 2026 by June 30? on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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