Are you worried about an AI bubble? Look for these four “Os.”

Amid the talk about the madness of artificial intelligence, people are now joking about “a bubble in the bubble talk.” Google searches for AI with the B word have surged and market sentiment is exuberant, but beyond these weak indicators there is no standard measure of a bubble.

My test focuses on four Os: overvaluation, overownership, overinvestment and overleverage. This is how AI scores now:

Load…

Financial Times