Atlas Has Its First Experiment#
Today, I defined the first experiment for Atlas.
The question is specific: after a newly listed stock’s streak of limit-up closes ends, can we distinguish renewed upside from the risk of a sharp decline over the next five trading days?
For this experiment, the starting point is the first close below the daily price ceiling—not the first moment the stock drops below it during trading.
Until now, I kept getting caught on model size. How large should the model be? How much complexity did it need? I was trying to make those decisions before defining a sufficiently narrow problem.
Today, that stopped being the thing holding me up.
I now have a focused question and a dataset design with just over 80 fields. Rather than asking what an ambitious model might be capable of, I can ask what model this particular experiment actually needs.
That feels like an important shift for Atlas. The broader ambition is still there, but the next step is concrete: train the first model and see whether it can make this distinction.
I don’t know what the results will look like yet. That uncertainty is part of the excitement. For the first time, I have a question precise enough that the result can teach me something.