SpaceX IPO: Closing Share Price

Platform comparison

Active sub-markets

Market context

SpaceX remains privately held with no material movement towards a public listing in the past 48 hours. The company's valuation reached approximately $180 billion in its most recent funding round in October 2024, making it one of the world's most valuable private enterprises. Elon Musk has repeatedly stated scepticism about public markets, citing regulatory burden and short-term shareholder pressure as incompatible with SpaceX's long-term mission objectives. The 3% probability reflects the structural headwinds: no IPO filing exists, no announced timeline has been given, and the company generates sufficient cash flow from government contracts and commercial launches to fund operations without equity capital markets access.

Historical precedent offers limited guidance. Blue Origin and Axiom Space remain private despite comparable scale and ambition, whilst Rocket Lab's 2021 SPAC merger and Relativity Space's ongoing fundraising demonstrate that alternatives to traditional IPOs exist for space-sector companies. The decisive catalyst would be either a formal SEC filing or an explicit public commitment from Musk or SpaceX leadership—neither of which has occurred. Traders should monitor quarterly Starshield contract announcements and any statements during SpaceX's next major launch milestone, as accelerating defence revenue could theoretically shift the calculus around capital structure, though this remains speculative.

The settlement window closes mid-June 2026, leaving approximately 18 months for a reversal in stance. Without a filed prospectus or announced intention by early 2026, the probability would likely compress further towards zero.

Methodology

We track SpaceX IPO: Closing Share Price on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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 Prediction Today, 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?

Prediction Today 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.

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, Prediction Today 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.