Correlation Analysis
Diamondback Energy, Inc. vs Exxon Mobil Corporation
FANG vs XOM
+0.820
Strong positive
When one moves up, the other tends to follow.
Diamondback Energy, Inc.
↗FANG
Diamondback is a crude oil and natural gas exploration and production firm whose operations represent a pure-play in the US Permian Basin. The company went public in 2012 and has established itself as a top-tier independent producer through disciplined acquisition and operational excellence. The company's most transformational transaction occurred in September 2024 with the completion of its $26 billion merger with Endeavor Energy Resources, which added around 470,000 net acres and doubled Diamondback's total acreage position. Diamondback boasts an enviable position in the Midland sub-basin, with some of the lowest unit costs among its Permian peers.
Market cap 54.6B · 1,762 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
FANG and XOM tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.820 (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
+0.627
18 periods · Return correlation when both series rose
Both Falling
+0.181
12 periods · Return correlation when both series fell
Diverging
-0.571
5 periods · Return correlation when series moved apart
R-Squared
67.2%
Share of variance in one series explained by the other.
Trend Agreement
79.5%
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: [0.801, 0.837]
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
Diamondback Energy, Inc.
FANG
Market cap 54.6B · 1,762 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
30
Estimated crossover points between normalized spreads.
Slope
0.5827
Linear regression slope.
Intercept
17.2850
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
FANG
Diamondback Energy, Inc.
Highest
+0.731
Eli Lilly & Co.
LLY · 1,254 data points
Lowest
-0.024
Johnson & Johnson
JNJ · 1,254 data points
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