Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
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 BTC Prediction.
Active sub-markets
Market context
SpaceX's initial public offering would mark the largest aerospace company flotation in decades, with the opening share price determining immediate market valuation and investor appetite for a firm valued at roughly $180 billion in private markets as of late 2024. The settlement window closing in mid-June 2026 reflects realistic timelines for regulatory approval and underwriter preparation, though the fallback clause extending to end-2027 acknowledges the unpredictability of SEC review and Elon Musk's stated reluctance to take the company public.
Comparable aerospace IPOs provide limited precedent: Boeing's 1962 listing occurred in a vastly different regulatory environment, whilst Axiom Space and other recent space-sector debuts have been via SPAC mergers rather than traditional offerings. The 100% crowd probability reflects broad consensus that an IPO will occur within the settlement window, though this may underweight execution risk around SEC scrutiny of defence contracts, environmental reviews, or geopolitical tensions affecting launch licensing.
Traders should monitor SEC filing announcements, which typically precede IPO launches by 4–6 months, alongside quarterly updates on SpaceX's Starshield revenue and Starlink profitability metrics—both material to valuation narratives. Recent statements from Musk regarding capital needs for Mars development and Starlink expansion have signalled potential IPO timing, though no formal S-1 filing has been submitted as of early 2025. Changes to US space policy under the incoming administration, particularly regarding commercial launch subsidies and national security classifications, could accelerate or delay proceedings materially.
Methodology
This page reads SpaceX IPO: Opening Share Price on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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.
FAQ
- Where can I trade this market with the lowest fees?
- On BTC Prediction, 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, BTC Prediction triggers a quick verification flow that finishes in minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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