fomo is a non-custodial mobile trading app from FOMO Labs Inc., founded in 2025 by former dYdX team members Paul Erlanger, Se Yong Park and Prashan Dharmesena. It raised a $75M Series B led by Index Ventures in June 2026.

On 11 June 2026 fomo added perpetuals "powered by Hyperliquid and Trade[XYZ]", covering crypto (incl. HYPE), US stocks, pre-IPO SpaceX, indices and commodities. Trades route to Hyperliquid, with fomo earning builder-code fees. Perps are not available to US persons. Hyperliquid lists fomo under Mobile apps on its official apps page.