SpaceX or OpenAI higher IPO Market Cap?

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Understand the odds. Examine the reasoning.

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Choose a market to analyze 1 open question · Evidence required

24h volumeUnavailable

Total volume$12.9K

Liquidity$275

Event end date · UTCJan 1, 2028

Price history

Market probability

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Polymarket · UTC

Sampled market observations, not AI forecasts. Lines connect available observations. Legend values are current provider quotes; chart points may be older.

Outcomes & resolution rules

1 market

These are market-implied probabilities, not AI forecasts. A displayed quote may differ from the price available for your order.

Accepting ordersMarket odds81.5%

SpaceX or OpenAI higher IPO Market Cap?

SpaceX81.5%Polymarket estimate

OpenAI18.6%Polymarket estimate

Liquidity: $279.3
Deadline · UTC: Jan 1, 2028
SpaceX bid / ask: 67.2¢ / 95.7¢
Trading fees: Enabled · verify on Polymarket

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Resolution rules

This market will resolve to “SpaceX” if the official closing price for SpaceX’s market capitalization on its first trading day is above the official closing price for OpenAI’s market capitalization on its first trading day. This market will resolve to “OpenAI” if the official closing price for OpenAI’s market capitalization on its first trading day is above the official closing price for SpaceX’s market capitalization on its first trading day. This market will resolve to the company that completes an Initial Public Offering (IPO) by December 31, 2027, 11:59 PM ET, if the other company does not complete an IPO within the market timeframe. This market will resolve to the IPOed company as soon as it becomes impossible for the other company to complete an IPO within the market timeframe, including due to acquisition, merger, or absorption by an entity that is already publicly traded. This market will resolve 50-50 if: - Neither IPO occurs by December 31, 2027, 11:59 PM ET. - Both SpaceX and OpenAI complete an IPO within this market's timeframe, and their IPO closing market capitalizations are exactly equal. - Both companies become unable to complete an IPO, including due to acquisition, merger, or absorption by an entity that is already publicly traded. Market capitalization is defined as the total number of outstanding shares multiplied by the closing share price on the first trading day. 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 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.