Efficient Market Hypothesis: what this star will be
Anything everyone already knows is already in the price.
By Constellate · 9 September 2026 · the short form
Efficient Market Hypothesis is a star on the Constellate sky: placed by meaning, named, and connected to the stars around it. This is the short form of its post: the line it carries, the area we colour Economics, and what stands beside it today.
The line it carries on the sky: Anything everyone already knows is already in the price.
What stands beside it
The stars nearest to it are Bayesian Thinking, Edge, Keynesian Beauty Contest and Noise Traders, and Bayesian Thinking is already open to walk. When Efficient Market Hypothesis opens, the conversation will land it among them, with a line drawn to each idea it touches.
Ask for this star
Every star is lit by demand. Ask for Efficient Market Hypothesis and it moves up the list; when it opens, this post becomes the full essay. The open stars beside it can be walked today, and the first concept of every course is free.