Will SpaceX have the highest IPO Market Cap 2026?

Q: Will SpaceX have the highest IPO Market Cap 2026?

Prediction markets currently price this at 90%. A YES share costs 90.0¢ and pays $1 if it happens. That is a return of 11.1% over 4.7mo.

Largest IPO by market cap in 2026?$96k liquidity$600k volumecloses 4.7mo

Climate & ScienceIPOScienceElon MuskOpenAIBusiness

Trade on Polymarket

BUY YES

Cost: 90.0¢
Implied chance: 90.0%
Return if right: 11.1%
Spread cost: 5%

If you put in $100

You get 111.1 shares at 90.0¢ each.

YES wins: $111.11 back, a profit of $11.11. YES loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $0.62 of that profit. Without it you would make $11.73.

Assumes the whole order fills at this price. A large order eats into the book and averages worse.

Buy YES on Polymarket

BUY NO

Cost: 11.0¢
Implied chance: 11.0%
Return if right: 809.1%
Spread cost: 5%

If you put in $100

You get 909.1 shares at 11.0¢ each.

NO wins: $909.09 back, a profit of $809.09. NO loses: $0.00, and the whole $100 is gone.

The gap between buyers and sellers takes $43.29 of that profit. Without it you would make $852.38.

Assumes the whole order fills at this price. A large order eats into the book and averages worse.

Buy NO on Polymarket

Chance over time

1H 6H 1D 1W 1M ALL

Latest: Aug 10, 07:00 PM8 outcomes stayed under 3% and are not plotted

Latest news

headlines link to their publishers

Headlines are matched on the names in “Will SpaceX have the highest IPO Market Cap 2026?”. Nobody checks them by hand, so one may not be relevant. They also say nothing about whether the price has already moved on this news.

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.