The number a trading objective has to beat before it means anything: my system finally measured the base rate for a 10% move in five days, and it is forty-two times larger than anyone had measured
· 21 min read
For a year the board has run a cross-sectional screen over roughly 12,500 US-listed equities a day. It ranks names on momentum, reversal, short-interest flow and intraday range, then scores every lane against how the winners and losers actually moved. The pipeline is unremarkable — the same architecture-capability-adaptation stack that Xia et al. (2026) audit across 77 LLM-trading studies, minus the LLM. It has measured a great deal. It had never measured the one number its own standing objective rests on.