IDXX IDEXX Laboratories, Inc. Common Stock

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

IDXX vs EW, shifted 1d

Both indexed to 100 at 2026-05-11. EW is drawn 1 trading day later than it happened, so if it leads, the lines move together.

IDXX EW (+1d) · range 95–131 · 2026-05-11 → 2026-11-06

IDXX tends to repeat these symbols' moves some days later. The highlighted bar is the lag.

EW Edwards Lifesciences Corp

lag 1dρ -0.22holdout -0.19stable 100%$/day $327.2Mrobust

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

IHI iShares U.S. Medical Devices ETF

ρ +0.67beyond mkt +0.44holdout +0.77stable 100%robust

ZTS ZOETIS INC.

ρ +0.60beyond mkt +0.39holdout +0.67stable 100%robust

XHE State Street SPDR S&P Health Care Equipment ETF

ρ +0.63beyond mkt +0.36holdout +0.70stable 100%robust

RMD ResMed Inc.

ρ +0.54beyond mkt +0.32holdout +0.58stable 100%robust

STE STERIS plc

ρ +0.56beyond mkt +0.32holdout +0.65stable 100%robust

PAWZ ProShares Pet Care ETF

ρ +0.60beyond mkt +0.27holdout +0.64stable 100%robust

VIXM ProShares VIX Mid-Term Futures ETF

ρ -0.35beyond mkt -0.08holdout -0.27stable 88%robust

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

ρ -0.36beyond mkt -0.02holdout -0.24stable 75%robust

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

BSJQ Invesco BulletShares 2026 High Yield Corporate Bond ETF

Δ -0.77recent -0.34prior +0.42beyond mkt +0.14

AVNW Aviat Networks, Inc. Common Stock

Δ -0.66recent -0.33prior +0.33beyond mkt +0.07

HZO MarineMax, Inc.

Δ -0.63recent -0.29prior +0.35beyond mkt +0.00

HPE Hewlett Packard Enterprise Company

Δ -0.60recent -0.42prior +0.18beyond mkt -0.14

CBSE Clough Select Equity ETF

Δ -0.60recent -0.28prior +0.32beyond mkt +0.01

IGPT Invesco AI and Next Gen Software ETF

Δ -0.59recent -0.29prior +0.31beyond mkt +0.04

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

Symbol	beyond mkt	raw ρ	shared
ZTS ZOETIS INC.	+0.39	+0.60	12
IHI iShares U.S. Medical Devices ETF	+0.44	+0.67	15
XHE State Street SPDR S&P Health Care Equipment ETF	+0.36	+0.63	16