Details of SpaceX’s IPO are expected to be made public this week as it accelerates plans for a stock debut that will likely make CEO Elon Musk the world’s first trillionaire, but one analyst warned that trading may be volatile as the stock faces “substantial” downside risks.

SpaceX, which filed confidential initial public offering registration with the Securities and Exchange Commission in April, will likely make public its paperwork—offering insight into the firm’s operations and finances—this week as it plans for a June 12 debut on the Nasdaq, the Wall Street Journal reported, citing people familiar with the matter.

Some have expressed concerns about SpaceX’s stock listing, including PitchBook analyst Franco Granda, who wrote in March that SpaceX may act like Tesla’s stock “on steroids,” suggesting trading volatility.

Learn more about your ad choices. Visit megaphone.fm/adchoices