PRTS CarParts.com, Inc. Common Stock

PRTS moves with CGMM once the market is taken out; is bought and sold on the same days as KPLT, SUPX, DFDV.

together opposite · bar = ρ at each lag, −10 … 0 … +10 days · holdout ρ · click a card for the full picture

PRTS vs CGMM

Both indexed to 100 at 2026-05-11.

PRTS CGMM · range 56–127 · 2026-05-11 → 2026-11-06

Same day, ranked by what's left after the market and sector factors are removed ("beyond mkt").

CGMM Capital Group U.S. Small and Mid Cap ETF

ρ +0.31beyond mkt +0.10holdout +0.32stable 88%robust

No day-to-day relationship, but 5- or 10-day returns move together.

UI Ubiquiti Inc. Common Stock

horizon 10dρ +0.38holdout +0.44stable 62%moderate

NRP Natural Resource Partners L.P.

horizon 10dρ +0.37holdout +0.37stable 38%moderate

ACDC ProFrac Holding Corp. Class A Common Stock

horizon 10dρ +0.35holdout +0.44stable 25%moderate

ALLR Allarity Therapeutics, Inc. Common Stock

horizon 5dρ +0.31holdout +0.05stable 50%moderate

Biggest shifts in same-day correlation over the last 63 trading days versus the year before.

SPMC Sound Point Meridian Capital, Inc.

Δ +0.41recent +0.46prior +0.05beyond mkt +0.02

WDFC WD-40 Company Common Stock

Δ -0.41recent -0.38prior +0.03beyond mkt -0.09

CPIX Cumberland Pharmaceuticals Inc. Common Stock

Δ -0.39recent -0.33prior +0.06beyond mkt -0.05

PAXS PIMCO Access Income Fund

Δ +0.34recent +0.43prior +0.09beyond mkt +0.01

MRLN Merlin, Inc. Common Stock

Δ +0.32recent +0.35prior +0.03beyond mkt +0.02

SKE Skeena Resources Limited

Δ +0.32recent +0.35prior +0.03beyond mkt +0.01

Abnormal volume rises and falls on the same days as PRTS's, while prices do not move together: the same hands, not the same business.

Symbol	traded together ρ	big prints together ρ	priced together ρ	q
KPLT Katapult Holdings, Inc. Common Stock	+0.39	+0.16	+0.08	<1e-15
SUPX SuperX AI Technology Limited Ordinary Shares	+0.31	+0.15	-0.01	3e-9
DFDV DeFi Development Corp. Common Stock	+0.31	-0.06	-0.01	4e-9