Thirty-eight of the 40 names in this correlation cluster were active on July 30, and their day-to-day residual moves were highly correlated.
This is residual co-movement, meaning we stripped out the broad market's up-and-down first. After that cleaning, the group's average pairwise correlation sits at 0.80 versus a long-run baseline of 0.07. That gap is 3.7 standard deviations above normal, novelty is 0.88, and 729 pairwise links passed the significance test.
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This is not a narrow industry story. The universe is cross-sector: Industrials are the largest slice at 22.5% of the group, but the list also includes Financials, REITs, Technology, Consumer names, Healthcare, Materials, Communications, and more. Notable recent movers inside the pack include EFX, RELX, ITW, VRSK, MMS, TTEK, UNF, and VLTO.
Those tickers have been drifting higher over the last several sessions: Equifax (EFX) is up about 5.6% over six sessions, RELX is up roughly 11.5%, Maximus (MMS) about 5.8%, Tetra Tech (TTEK) roughly 6.1%, and Verisk (VRSK) around 3.8%.
Why this matters: these companies normally barely track one another, so seeing a broad, cross-sector fold into strongly correlated residual moves is unusual. That said, this is a contemporaneous observation only. We are not saying one name led another, caused the move, or will continue to move the same way.
A plain-English read: a diverse bunch of Industrials, REITs, Financials, Tech names, and others moved together during the period measured. That could reflect a common external influence, a shared sensitivity the analytics haven't isolated yet, or just a short-lived clustering of flows. The facts are the tight correlation and the breadth of sectors involved; the explanation is not in the numbers we report here.
This is a descriptive co-movement observation from Jodie's analytics, not investment advice.
