Opendoor stock may have momentum, but the fundamentals tell a slightly tougher story. At first glance, its Price-to-Sales multiple of 0.5x looks cheap compared to the S&P 500’s 3.2x. But this multiple may be a bit misleading,

Opendoor Technologies shares are trading lower Tuesday morning. The stock's recent powerful rally saw it surge over 500% since a low on June 25.

Opendoor Technologies (NASDAQ:OPEN) shares gapped up 8% in Monday late morning trading, extending a streak of advances in recent sessions, as market participants and influencers continued to tout the stock on social media.