Correlation Analysis
American Water Works Company, Inc vs Exxon Mobil Corporation
AWK vs XOM
-0.720
Strong inverse
When one moves up, the other tends to move down.
American Water Works Company, Inc
↗AWK
American Water Works is the largest investor-owned US water and wastewater utility, serving nearly 4 million customers in 14 states. It provides water and wastewater services to residential, commercial, and industrial customers and operates predominantly in regulated markets. The company's nonregulated business is water services for military bases, which operates under long-term contracts with regulated-like returns. The proposed Essential Utilities acquisition would add regulated water and wastewater utilities in Ohio, North Carolina, and Texas while increasing its presence in Illinois, Indiana, Pennsylvania, New Jersey, and Virginia.
Market cap 26.9B · 7,000 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
XOM leads AWK by 6 days
XOM tends to move before AWK.
After testing 13 timing shifts, the strongest relationship was -0.729 (they moved in opposite directions).
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
+0.031
8 periods · Return correlation when both series rose
Both Falling
+0.451
6 periods · Return correlation when both series fell
Diverging
-0.584
21 periods · Return correlation when series moved apart
R-Squared
51.8%
Share of variance in one series explained by the other.
Trend Agreement
52.3%
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: [-0.745, -0.692]
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
American Water Works Company, Inc
AWK
Market cap 26.9B · 7,000 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
25
Estimated crossover points between normalized spreads.
Slope
-1.0376
Linear regression slope.
Intercept
250.9461
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
AWK
American Water Works Company, Inc
Highest
+0.053
Johnson & Johnson
JNJ · 1,254 data points
Lowest
-0.682
Eli Lilly & Co.
LLY · 1,254 data points
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