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 private valuation will be assessed against a specified threshold by 30 June 2026, with settlement determined by Nasdaq Private Market pricing data published on trading days. The 100% crowd probability reflects either a valuation target set well below current market estimates or exceptionally high confidence in SpaceX's near-term trajectory. NPM pricing, updated daily at 1:00 PM ET on the following business day, provides the official measurement; any gap in published data extends the settlement window to 4 July 2026.
Private space companies have historically demonstrated volatile valuation swings tied to launch cadence, government contract awards, and funding rounds. SpaceX's last major private valuation event occurred in October 2024, when secondary market transactions valued the firm at approximately $180 billion. Comparable unicorn-stage firms—including those in defence and infrastructure—have seen 12–18 month valuations shift by 20–40% based on contract announcements or operational milestones. The current crowd certainty suggests either the threshold is conservative relative to recent trading or market participants expect material positive catalysts within the settlement window.
Key catalysts include Starshield contract announcements from the US Department of Defence, Starlink revenue disclosures via parent company filings, and any announced funding round. SpaceX's Raptor engine production scaling and Starship flight test cadence directly influence institutional investor appetite. Regulatory clarity on orbital refuelling and lunar logistics—both relevant to NASA contracts—could shift valuations. Traders should monitor SEC filings from SpaceX's major customers and defence budget appropriations cycles, which typically conclude by mid-2026.
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 — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
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.
- Is this market available outside the US?
- BTC Prediction is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- What does it cost to trade on BTC Prediction?
- Zero. BTC Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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.
- 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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