polymarket Science

Will SpaceX have the highest IPO Market Cap 2026?

SpaceX
Closes Dec 31, 2026 (151d) 24h volume $115 Open interest $483.6K Event Largest IPO by market cap in 2026?
92%
implied YES probability

Price history

Last 91 days · High 92% · Low 78% · 7d +8.2pp · 30d +10.8pp
92%78%

How this market resolves

This market will resolve to the company that achieves the highest market capitalization in U.S. dollars based on the official closing price on its first trading day in 2026. This market will resolve to a company that completes an Initial Public Offering (IPO) between January 1 and December 31, 2026, 11:59 PM ET. Market capitalization is defined as the total number of outstanding shares multiplied by the closing share price on the first trading day. If two or more companies have exactly equal highest closing market capitalizations, this market will resolve to the company whose listed name comes first alphabetically. Resolution will be based on the primary exchange’s official listing page. In the event that the relevant figure is not displayed, another reliable source will be used. In case the respective company's primary exchange’s official listing page does not report in U.S. dollars, it will be converted to U.S. dollars using the U.S. Federal Reserve Board’s H.10 foreign exchange reference rate for the relevant currency pair on the company’s first trading day (https://www.federalreserve.gov/releases/h10/). If no such rate is available for the relevant trading day, the most recent previously published rate will be used. If the relevant currency is not listed, another credible exchange rate source will be used. A listed company may resolve to "No" as soon as it becomes unable to complete an IPO, including due to acquisition, merger, or absorption by an entity that is already publicly traded. In the event of an interruption in the course of the normal trading session on the respective companies’ first day of trading (e.g., a circuit breaker or half-day), the market will resolve according to the official closing price of the abbreviated session. If no such official closing price is published, the market will resolve according to the next trading day on which an official closing price is published, treating that as the first day of trading for purposes of this market.

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AI analysis

The prediction market for SpaceX's IPO market cap in 2026 indicates an 83% probability that it will achieve the highest market capitalization among all companies completing an Initial Public Offering (IPO) between January 1 and December 31, 2026. The current price of 0.83 is based on known facts about SpaceX's progress towards its IPO plans, including its successful Starlink satellite constellation launch and growing revenue from commercial satellite services. If another company completes a larger IPO in 2026, the market price would likely decrease, while a significant delay or cancellation of SpaceX's IPO could cause the price to drop further. Conversely, any positive developments regarding SpaceX's financial performance or regulatory approvals could drive the price upward.
Generated Jul 02, 2026

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Prediction market data reflects speculative event probabilities, not guaranteed outcomes. This is not investment advice. See Terms §17.