Ken Griffin Has the Pulse of the Market, and He Sees Dead People

Rigatoni Capital Podcast · Oct 22, 2026 · 30m

Ken Griffin of Citadel thinks we are almost certainly in an AI bubble even as he stays bullish on where the technology ends up, and his own view has swung from calling AI garbage in January to depressed by spring to a golden era now. He says the market is finally asking which names earn the economic rents and which are just riding the build-out. My pushback that AI is not creating any real GDP growth is that so far we are seeing real margin expansion in certain sectors of the economy. The bull case is that we have been seeing real productivity showing up in software and in Meta’s earnings…