IHI iShares U.S. Medical Devices ETF

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

IHI vs XHE

Both indexed to 100 at 2026-05-11.

IHI XHE · range 100–129 · 2026-05-11 → 2026-11-06

These tend to repeat IHI's moves later.

NODK NI Holdings, Inc. Common Stock

lag 1dρ -0.22holdout -0.18stable 100%$/day $186krobust

RGCO RGC Resources Inc. Common Stock

lag 1dρ -0.22holdout -0.08stable 88%$/day $228kmoderate

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

XHE State Street SPDR S&P Health Care Equipment ETF

ρ +0.84beyond mkt +0.76holdout +0.86stable 100%robust

SYK Stryker Corporation

ρ +0.78beyond mkt +0.65holdout +0.82stable 100%robust

ISRG Intuitive Surgical, Inc. Common Stock

ρ +0.71beyond mkt +0.61holdout +0.78stable 100%robust

ABT Abbott Laboratories

ρ +0.68beyond mkt +0.57holdout +0.75stable 100%robust

BSX Boston Scientific Corp.

ρ +0.63beyond mkt +0.52holdout +0.69stable 100%robust

PODD Insulet Corporation Common Stock

ρ +0.63beyond mkt +0.51holdout +0.72stable 100%robust

VIXM ProShares VIX Mid-Term Futures ETF

ρ -0.38beyond mkt -0.09holdout -0.27stable 88%robust

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

ρ -0.40beyond mkt -0.07holdout -0.25stable 88%robust

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

KGS Kodiak Gas Services, Inc.

Δ -0.66recent -0.45prior +0.21beyond mkt +0.11

NGS Natural Gas Services Group, Inc.

Δ -0.66recent -0.49prior +0.17beyond mkt +0.10

AROC Archrock Inc

Δ -0.66recent -0.43prior +0.23beyond mkt +0.11

SMTC Semtech Corporation Common Stock

Δ -0.62recent -0.44prior +0.18beyond mkt +0.02

ITGR Integer Holdings Corporation

Δ -0.60recent -0.02prior +0.59beyond mkt +0.33

XMMO Invesco S&P MidCap Momentum ETF

Δ -0.59recent -0.23prior +0.36beyond mkt +0.09

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

Symbol	beyond mkt	raw ρ	shared
HTEC ROBO Global Healthcare Technology and Innovation ETF	+0.46	+0.67	7
FXH First Trust Health Care AlphaDEX Fund	+0.41	+0.72	7
XHE State Street SPDR S&P Health Care Equipment ETF	+0.76	+0.84	19
GMED GLOBUS MEDICAL INC	+0.50	+0.71	15
ISRG Intuitive Surgical, Inc. Common Stock	+0.61	+0.71	18
HEAL Global X Funds Global X HealthTech ETF	+0.44	+0.65	14