SpaceX has said shares should sell to the public for at least $135 (£100) when it becomes a publicly traded company on Friday, in what is expected to be the highest-value stock listing in history.

The estimated price is the same as the space exploration and artificial intelligence (AI) company set a week ago, lifting the firm's valuation to nearly $1.8tn.

SpaceX is aiming to raise $75bn through its initial public offering (IPO).

Should shares sell at the suggested price, or more, depending on market supply and demand, SpaceX founder and chief executive Elon Musk – already the richest man in the world – will be the world's first trillionaire.

If the company's shares sell at or above $135 when trading opens on Friday, SpaceX will immediately become one of the most valuable companies in the world. However, it is up to investors to decide if they think the shares are worth that much.

Once they start trading their value could rise or fall depending on whether the wider market thinks that initial price was too low or too high.

The listing, on the technology-focused Nasdaq index, is being viewed as a test case for AI companies going public. SpaceX is the first of three AI-related mega-listings expected this year, with OpenAI and Anthropic set to follow suit later this year.