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Editor’s note: “The Most Important Part of Unitree’s IPO Wasn’t the Robot” was previously published in July 2026 with the title “The Physical AI Proof Points Are Suddenly Everywhere.” It has since been updated to include the most relevant information available.

When trading began on August 19, Unitree Robotics was a roughly $9 billion company. By the closing bell, investors had turned it into a $50 billion one.

Shares of the Chinese humanoid-robot maker finished their Shanghai debut 460% above the IPO price after climbing as much as 629% during the session.

That is probably too much, too fast.