Correlation Analysis
Meta Platforms, Inc. Class A Common Stock vs Quest Diagnostics Inc.
META vs DGX
+0.602
Moderate positive
When one moves up, the other tends to follow.
Meta Platforms, Inc. Class A Common Stock
↗META
Meta is the largest social media company in the world, boasting close to 4 billion monthly active users worldwide. The firm's "Family of Apps," its core business, consists of Facebook, Instagram, Messenger, and WhatsApp. End users can leverage these applications for a variety of different purposes, from keeping in touch with friends to following celebrities and running digital businesses for free. Meta packages customer data, gleaned from its application ecosystem and sells ads to digital advertisers. While the firm has been investing heavily in its Reality Labs business, it remains a very small part of Meta's overall sales.
Market cap 1.4T
Quest Diagnostics Inc.
↗DGX
Quest Diagnostics is a leading independent provider of diagnostic testing, information, and services in the US. The company generates over 97% of its revenue through clinical testing, anatomic pathology, esoteric testing, and substance abuse testing with specimens collected at its national network of roughly 2,400 patient service centers, as well as multiple doctors offices and hospitals. The firm also runs a much smaller diagnostic solutions segment that provides clinical trials testing, risk-assessment services, and information technology solutions.
Market cap 21.9B · 57,000 employees
Time Series
Relative Performance
Who Moves First
META leads DGX by 6 days
META tends to move before DGX.
After testing 13 timing shifts, the strongest relationship was +0.611 (they moved in the same direction).
Do They Crash Together?
Correlation by Market Regime
How these series behave when markets are rising, falling, or diverging. A correlation that holds in drawdowns is very different from one that only works in rallies.
Both Rising
+0.783
13 periods · Return correlation when both series rose
Both Falling
-0.389
6 periods · Return correlation when both series fell
Diverging
-0.703
16 periods · Return correlation when series moved apart
R-Squared
36.3%
Share of variance in one series explained by the other.
Trend Agreement
53.6%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,107
Deep shared window — 1,107 usable pairs.
Significance
p < 0.001
95% CI: [0.563, 0.638]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,107 paired data points survived the daily window.
Raw input
1,107
1,254
Normalized
1,107
1,254
Prepared
1,107
1,254
Aligned
1,107
1,107
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
147
A: 0 / B: 147
Series A
Meta Platforms, Inc. Class A Common Stock
META
Market cap 1.4T
Stock · 1,107 raw → 1,107 prepared
Series B
Quest Diagnostics Inc.
DGX
Market cap 21.9B · 57,000 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
1
Estimated crossover points between normalized spreads.
Slope
0.0510
Linear regression slope.
Intercept
132.1298
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
META
Meta Platforms, Inc. Class A Common Stock
Highest
+0.979
PCEC96
PCEC96 · 52 data points
Lowest
-0.939
United Parcel Service, Inc. Class B
UPS · 1,107 data points
Saved 5 hours ago · ID: stock-meta-vs-stock-dgx-daily-20260408-nq7o4i