Correlation Analysis
Monolithic Power Systems, Inc. vs Exxon Mobil Corporation
MPWR vs XOM
+0.659
Strong positive
When one moves up, the other tends to follow.
Monolithic Power Systems, Inc.
↗MPWR
Monolithic Power Systems is an analog and mixed-signal chipmaker specializing in power management solutions. Its mission is to reduce total energy consumption in end systems. It serves the computing, automotive, industrial, communications, and consumer end markets. MPS uses a fabless manufacturing model, partnering with third-party chip foundries to host its proprietary BCD process technology.
Market cap 58B · 4,501 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
MPWR leads XOM by 6 days
MPWR tends to move before XOM.
After testing 13 timing shifts, the strongest relationship was +0.661 (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
+0.253
12 periods · Return correlation when both series rose
Both Falling
+0.696
6 periods · Return correlation when both series fell
Diverging
-0.614
17 periods · Return correlation when series moved apart
R-Squared
43.4%
Share of variance in one series explained by the other.
Trend Agreement
54.2%
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: [0.626, 0.689]
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
Monolithic Power Systems, Inc.
MPWR
Market cap 58B · 4,501 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
33
Estimated crossover points between normalized spreads.
Slope
0.0696
Linear regression slope.
Intercept
59.2778
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
MPWR
Monolithic Power Systems, Inc.
Highest
+0.901
Nvidia Corp
NVDA · 1,254 data points
Lowest
+0.475
Johnson & Johnson
JNJ · 1,254 data points
Saved 6 hours ago · ID: stock-mpwr-vs-stock-xom-daily