GEF Greif, Inc.

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

Same exposure: GEF.B move almost identically to GEF (|ρ| ≥ 0.93). Same-day relationships for the group are listed here.

GEF vs SON

Both indexed to 100 at 2026-05-11.

GEF SON · range 91–137 · 2026-05-11 → 2026-11-06

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

SON Sonoco Products Company

ρ +0.63beyond mkt +0.31holdout +0.59stable 100%robust

CCK Crown Holdings Inc.

ρ +0.60beyond mkt +0.29holdout +0.55stable 100%robust

PKG Packaging Corp of America

ρ +0.64beyond mkt +0.29holdout +0.63stable 100%robust

AMCR Amcor plc Ordinary Shares

ρ +0.60beyond mkt +0.28holdout +0.60stable 100%robust

ATR AptarGroup, Inc.

ρ +0.56beyond mkt +0.27holdout +0.51stable 100%robust

SLGN Silgan Holdings Inc

ρ +0.62beyond mkt +0.27holdout +0.52stable 100%robust

VXX iPath Series B S&P 500 VIX Short-Term Futures ETN

ρ -0.31beyond mkt +0.08holdout -0.13stable 75%moderate

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

AMPH Amphastar Pharmaceuticals, Inc. Common Stock

horizon 10dρ +0.36holdout +0.16stable 88%moderate

EBS Emergent Biosolutions, Inc.

horizon 5dρ +0.33holdout +0.13stable 50%moderate

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

RVMD Revolution Medicines, Inc. Common Stock

Δ -0.54recent -0.33prior +0.21beyond mkt -0.01

CZR Caesars Entertainment, Inc. Common Stock

Δ -0.51recent -0.17prior +0.34beyond mkt +0.01

AMPH Amphastar Pharmaceuticals, Inc. Common Stock

Δ -0.49recent -0.15prior +0.34beyond mkt -0.01

MATX Matsons, Inc.

Δ -0.48recent -0.08prior +0.40beyond mkt +0.01

HZO MarineMax, Inc.

Δ -0.48recent -0.04prior +0.44beyond mkt +0.02

REXR REXFORD INDUSTRIAL REALTY, INC.

Δ -0.47recent -0.06prior +0.42beyond mkt -0.08

Abnormal volume rises and falls on the same days as GEF'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
CFFI C&F Financial Corporation Common Stock	+0.41	+0.17	+0.07	<1e-15
BRBS Blue Ridge Bankshares, Inc.	+0.39	+0.17	+0.01	<1e-15
CIX Comp X International Inc.	+0.38	+0.17	+0.09	<1e-15
NXRT NexPoint Residential Trust Inc	+0.31	+0.25	-0.02	2e-9
GRNT Granite Ridge Resources, Inc.	+0.32	+0.22	+0.05	8e-10
AMSF AMERISAFE, Inc. Common Stock	+0.33	+0.18	+0.03	1e-10