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BrainTrust Investment Lab

fsds — the SS7 walk

The SEC's Financial Statement Data Sets — 231.4 million rows of as-filed statement data, quarter by quarter. As-filed means as-filed: nothing here is retrofitted to look consistent later.

One source per sheet; every step CERTIFIED or OWED by BrainTrust Staff, matched against the book’s page.

steps certified
0 of 5
step feeders · the sources, named and counted awaiting · p.460
step match_rules · the match, DECLARED in priority order awaiting · p.461
step events · every match decision is a ROW awaiting · p.460
step survivorship · the priority sequence, RULED PER COLUMN awaiting · p.461
step back_references · the source natural keys are KEPT awaiting · p.461