Correlation Analysis
Martin Marietta Materials vs Exxon Mobil Corporation
MLM vs XOM
+0.633
Moderate positive
When one moves up, the other tends to follow.
Martin Marietta Materials
↗MLM
Martin Marietta Materials is one of the United States' largest producer of construction aggregates (crushed stone, sand, and gravel). In 2024, Martin Marietta sold 191 million tons of aggregates. Martin Marietta's most important markets include Texas, North Carolina, Colorado, California, and Georgia, accounting for most of its sales. The company also uses its aggregates in its asphalt and ready-mixed concrete businesses. Martin's magnesia specialties business produces magnesia-based chemical products and dolomitic lime.
Market cap 36.1B · 9,600 employees
Exxon Mobil Corporation
↗XOM
ExxonMobil is an integrated oil and gas company that explores for, produces, and refines oil worldwide. In 2025, it produced 3.3 million barrels of liquids and 8.4 billion cubic feet of natural gas per day. At the end of 2024, reserves were 19.9 billion barrels of oil equivalent, 69% of which were liquids. The company is one of the world's largest refiners, with a total global refining capacity of 4.3 million barrels of oil per day, and is one of the world's largest manufacturers of commodity and specialty chemicals.
Market cap 680.7B
Time Series
Relative Performance
Who Moves First
MLM leads XOM by 6 days
MLM tends to move before XOM.
After testing 13 timing shifts, the strongest relationship was +0.635 (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
+0.167
13 periods · Return correlation when both series rose
Both Falling
+0.264
8 periods · Return correlation when both series fell
Diverging
-0.878
14 periods · Return correlation when series moved apart
R-Squared
40.1%
Share of variance in one series explained by the other.
Trend Agreement
55.9%
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: [0.599, 0.665]
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
Martin Marietta Materials
MLM
Market cap 36.1B · 9,600 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Exxon Mobil Corporation
XOM
Market cap 680.7B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
17
Estimated crossover points between normalized spreads.
Slope
0.1334
Linear regression slope.
Intercept
39.3165
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
MLM
Martin Marietta Materials
Highest
+0.928
Microsoft Corp
MSFT · 1,254 data points
Lowest
+0.248
Johnson & Johnson
JNJ · 1,254 data points
Saved 7 hours ago · ID: stock-mlm-vs-stock-xom-daily