QDEL QuidelOrtho Corporation Common Stock

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

QDEL vs HTEC

Both indexed to 100 at 2026-05-11.

QDEL HTEC · range 98–183 · 2026-05-11 → 2026-11-06

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

HTEC ROBO Global Healthcare Technology and Innovation ETF

ρ +0.59beyond mkt +0.29holdout +0.51stable 100%robust

QGEN QIAGEN N.V.

ρ +0.46beyond mkt +0.28holdout +0.51stable 100%robust

XHE State Street SPDR S&P Health Care Equipment ETF

ρ +0.57beyond mkt +0.27holdout +0.50stable 100%robust

AZTA Azenta, Inc.

ρ +0.53beyond mkt +0.27holdout +0.47stable 100%robust

BIO Bio-Rad Laboratories, Inc.Class A

ρ +0.50beyond mkt +0.27holdout +0.39stable 100%robust

RVTY Revvity, Inc.

ρ +0.52beyond mkt +0.26holdout +0.39stable 100%robust

VIXM ProShares VIX Mid-Term Futures ETF

ρ -0.37beyond mkt -0.08holdout -0.42stable 100%robust

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

ρ -0.40beyond mkt -0.06holdout -0.46stable 100%robust

BTAL AGF U.S. Market Neutral Anti-Beta Fund

ρ -0.33beyond mkt +0.00holdout -0.31stable 88%robust

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

CRAI CRA International, Inc. Common Stock

horizon 10dρ +0.53holdout +0.60stable 62%moderate

HTLD Heartland Express, Inc. Common Stock

horizon 5dρ +0.32holdout +0.07stable 75%moderate

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

DCOY Decoy Therapeutics Inc. Common Stock

Δ -0.52recent -0.35prior +0.17beyond mkt +0.01

GRDN Guardian Pharmacy Services, Inc.

Δ -0.50recent -0.32prior +0.18beyond mkt -0.07

VCEL Vericel Corporation Common Stock

Δ -0.49recent -0.08prior +0.41beyond mkt +0.11

CNXC Concentrix Corporation Common Stock

Δ -0.46recent -0.09prior +0.37beyond mkt +0.01

IDXX IDEXX Laboratories, Inc. Common Stock

Δ -0.46recent -0.03prior +0.43beyond mkt +0.07

DOYU DouYu International Holdings Limited ADS

Δ -0.46recent -0.33prior +0.13beyond mkt -0.11