The cost of analysis is falling to zero. The cost of being wrong is not. The edge has moved to whoever bears the risk, signs the decision and holds the trust. I run a multi-asset investment office built on that split, with machines doing the reading and a named person answering for the call, and I write about what it changes.
Gary Zhou · Multi-Asset CIO · Global asset allocation · AI-native investment office
Filings, prices, manager letters, flows, the maths. Machines read all of it overnight, for every office at once. An edge that everyone can buy for the price of a subscription stops being an edge. The academic record says the same: returns to machine-readable signals have been shrinking as more capital learned to read them.
A model can tell you what looks cheap. It cannot tell you whether you can afford to be wrong for three years. The capacity to carry a position through a bad stretch, and the horizon to let it work, belongs to the owner of the capital and the structure around it. That is where most returns are earned, and where most are lost.
Sizing a position, saying no, changing your mind. These don't scale, and they shouldn't. The line between what I delegate to agents and what I keep isn't capability. It's who answers for it. In a licensed firm that is a named person, never a model.
If you can't explain it without the screen, don't recommend it.
The people whose money it is are not buying forecasts. They are lending permission: to hold through a bad year, to be early, to be wrong in a way they understand. Most returns are lost when that permission runs out, in the bad weeks. AI makes it easier to analyse and harder to earn. Most of what I write is about keeping it.
Notes from inside an AI-native investment office, on what analysis no longer buys you and what still has to be earned. Every week or two. No tips, no targets, no forecasts.
Morningstar's Mind the Gap 2026: US funds returned 9.89% a year over ten years, the average dollar in them earned 8.74%, both after fees. The funds weren't the problem. The timing of money in and out was.