Correlation Analysis
Westlake Corporation vs Exxon Mobil Corporation
WLK vs XOM
+0.263
Light positive
When one moves up, the other tends to follow.
Westlake Corporation
↗WLK
Westlake Corp is a vertically integrated international manufacturer and marketer of both housing and infrastructure products and performance and essential materials that are designed to enhance the lives of people every day. Its Performance and Essential Materials segment offers a wide range of essential building blocks for making products utilized in everyday living, including olefins, vinyl chemicals, polyethylene, and epoxies. Its Housing and Infrastructure Products segment produces key finished goods for building products, pipe and fittings, and international compounds businesses.
Market cap 15.3B · 14,600 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
in sync
WLK and XOM tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.263 (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
+0.643
13 periods · Return correlation when both series rose
Both Falling
-0.142
11 periods · Return correlation when both series fell
Diverging
-0.558
11 periods · Return correlation when series moved apart
R-Squared
6.9%
Share of variance in one series explained by the other.
Trend Agreement
65.7%
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: [0.210, 0.313]
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
Westlake Corporation
WLK
Market cap 15.3B · 14,600 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
39
Estimated crossover points between normalized spreads.
Slope
0.2542
Linear regression slope.
Intercept
73.4092
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 4 hours ago · ID: stock-wlk-vs-stock-xom-daily