# SpaceX Stock Swings Like Small-Cap

> SpaceX's $2 trillion market cap swings like a small-cap stock due to limited shares and retail investor activity.
- Title: SpaceX Stock Swings Like Small-Cap · Yahoo Finance | Shortify
- Summary: SpaceX's $2 trillion market cap swings like a small-cap stock due to limited shares and retail investor activity. SpaceX's stock volatility stems from its…
- Keywords: spacex, market cap, stock volatility, retail investors, starship flight 14, rocket lab, microsoft, spcx, nasdaq, starlink, ai infrastructure, space exploration
- Source: Yahoo Finance — https://finance.yahoo.com/markets/stocks/articles/spacex-worth-2-trillion-why-140011638.html
- Published: 2026-09-17T14:00:11+00:00
- Read time: 1 min
- Topics: spacex, market cap, stock volatility, retail investors, starship flight 14, rocket lab, microsoft, spcx, nasdaq, starlink, ai infrastructure, space exploration
## SpaceX Market Cap
Elon Musk's SpaceX has a market cap of about $2 trillion but its stock doesn't trade like it.
## Stock Swing Gap
Over 22 trading sessions, SpaceX's daily high-low gap averaged 4.53% of its closing price.
## Limited Trading Float
SpaceX has about 1.91 billion shares in its float, just 14% of its 13.57 billion shares outstanding.
## High Retail Activity
SpaceX recorded no day of net retail selling from its June 12 IPO through Aug. 5.
## Starship Flight 14
SpaceX targets Sept. 22 for Starship's first orbital flight and deployment of 26 Starlink V3 satellites.
## Retail Cult Stock
Steve Eisman called SpaceX a potential 'retail cult stock' before its IPO and later said Musk has 'believers, not investors'.

> Steve Eisman called SpaceX a potential 'retail cult stock' before its IPO and later said Musk has 'believers, not investors'
## Key takeaway

SpaceX's stock volatility stems from its small trading float and retail investors' active participation despite its $2 trillion market cap.