Correlation Analysis
EMCOR Group, Inc. vs Mastercard Incorporated
EME vs MA
+0.910
Very strong positive
When one moves up, the other tends to follow.
EMCOR Group, Inc.
↗EME
EMCOR Group Inc is a specialty contractor in the United States and a provider of electrical and mechanical construction and facilities services, building services, and industrial services. Its services are provided to a broad range of commercial, technology, manufacturing, industrial, healthcare, utility, and institutional customers through approximately 100 operating subsidiaries. The company's operating subsidiaries are organized into reportable segments: United States mechanical construction and facilities services, which derives key revenue; United States electrical construction and facilities services; United States building services; United States industrial services; and United Kingdom building services. Geographically, its key revenue is derived from the United States.
Market cap 33.7B · 44,000 employees
Mastercard Incorporated
↗MA
Mastercard is the second-largest payment processor in the world, having processed close to $11 trillion in volume during 2025. Mastercard operates in over 200 countries and processes transactions in over 150 currencies.
Market cap 447.2B
Time Series
Relative Performance
Who Moves First
MA leads EME by 6 days
MA tends to move before EME.
After testing 13 timing shifts, the strongest relationship was +0.915 (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
+0.417
12 periods · Return correlation when both series rose
Both Falling
+0.848
7 periods · Return correlation when both series fell
Diverging
-0.711
16 periods · Return correlation when series moved apart
R-Squared
82.8%
Share of variance in one series explained by the other.
Trend Agreement
59.4%
How often both series moved in the same direction period-to-period.
Overlap Quality
1,254
Deep shared window — 1,254 usable pairs.
Significance
p < 0.001
95% CI: [0.900, 0.919]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points survived the daily window.
Raw input
1,254
1,254
Normalized
1,254
1,254
Prepared
1,254
1,254
Aligned
1,254
1,254
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
0
A: 0 / B: 0
Series A
EMCOR Group, Inc.
EME
Market cap 33.7B · 44,000 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Mastercard Incorporated
MA
Market cap 447.2B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
11
Estimated crossover points between normalized spreads.
Slope
0.3950
Linear regression slope.
Intercept
314.3471
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 5 hours ago · ID: stock-eme-vs-stock-ma-daily