REGN Regeneron Pharmaceuticals, Inc. Common Stock

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

REGN vs IBB

Both indexed to 100 at 2026-05-11.

REGN IBB · range 84–137 · 2026-05-11 → 2026-11-06

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

IBB iShares Biotechnology ETF

ρ +0.61beyond mkt +0.35holdout +0.55stable 100%robust

PBE Invesco Biotechnology & Genome ETF

ρ +0.58beyond mkt +0.29holdout +0.57stable 100%robust

PJP Invesco Pharmaceuticals ETF

ρ +0.62beyond mkt +0.28holdout +0.63stable 100%robust

FBT First Trust NYSE Arca Biotechnology Index Fund

ρ +0.57beyond mkt +0.28holdout +0.51stable 100%robust

XLV State Street Health Care Select Sector SPDR ETF

ρ +0.58beyond mkt +0.22holdout +0.59stable 100%robust

AGNG Global X Funds Global X Aging Population ETF

ρ +0.57beyond mkt +0.22holdout +0.63stable 100%robust

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

HAS Hasbro, Inc. Common Stock

horizon 10dρ +0.43holdout +0.42stable 88%robust

HCA HCA Healthcare, Inc.

horizon 10dρ +0.37holdout +0.53stable 75%robust

ENOV Enovis Corporation

horizon 5dρ +0.33holdout +0.36stable 88%robust

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

BOF BranchOut Food Inc. Common Stock

Δ -0.46recent -0.30prior +0.15beyond mkt -0.01

BBN BlackRock Taxable Municipal Bond Trust

Δ +0.43recent +0.54prior +0.11beyond mkt +0.00

HAS Hasbro, Inc. Common Stock

Δ -0.43recent -0.08prior +0.35beyond mkt +0.05

CHWY Chewy, Inc.

Δ +0.41recent +0.43prior +0.01beyond mkt -0.06

FCTE ETF Opportunities Trust SMI 3Fourteen Full-Cycle Trend ETF

Δ -0.41recent -0.11prior +0.30beyond mkt -0.00

ICCM IceCure Medical Ltd. Ordinary Shares

Δ -0.41recent -0.34prior +0.06beyond mkt -0.04

Abnormal volume rises and falls on the same days as REGN'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
ZBRA Zebra Technologies Corporation Class A Common Stock	+0.30	+0.36	-0.01	7e-9
JNJ Johnson & Johnson	+0.33	+0.30	+0.02	2e-10
DOLE Dole plc	+0.39	+0.17	-0.03	<1e-15
COST Costco Wholesale Corporation Common Stock	+0.33	+0.25	-0.02	1e-10
LLY Eli Lilly & Co.	+0.35	+0.30	+0.17	3e-12
QCOM QUALCOMM Incorporated Common Stock	+0.32	+0.24	-0.04	7e-10

Strong beyond-the-market co-movement with few shared neighbours.

Symbol	beyond mkt	raw ρ	shared	isolation
IBB iShares Biotechnology ETF	+0.35	+0.61	17