Correlation Analysis
Cisco Systems, Inc. Common Stock (DE) vs Exxon Mobil Corporation
CSCO vs XOM
+0.326
Light positive
When one moves up, the other tends to follow.
Cisco Systems, Inc. Common Stock (DE)
↗CSCO
Cisco Systems is the largest provider of networking equipment in the world and one of the largest software companies in the world. Its largest businesses are selling networking hardware and software (where it has leading market shares) and cybersecurity software such as firewalls. It also has collaboration products, like its Webex suite, and observability tools. It primarily outsources its manufacturing to third parties and has a large sales and marketing staff—25,000 strong across 90 countries. Overall, Cisco employs 80,000 people and sells its products globally.
Market cap 317.7B
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
CSCO and XOM tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.326 (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
-0.162
12 periods · Return correlation when both series rose
Both Falling
-0.437
6 periods · Return correlation when both series fell
Diverging
-0.669
17 periods · Return correlation when series moved apart
R-Squared
10.6%
Share of variance in one series explained by the other.
Trend Agreement
59.5%
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: [0.275, 0.374]
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
Cisco Systems, Inc. Common Stock (DE)
CSCO
Market cap 317.7B
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
41
Estimated crossover points between normalized spreads.
Slope
0.7661
Linear regression slope.
Intercept
58.8869
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
CSCO
Cisco Systems, Inc. Common Stock (DE)
Highest
+0.844
JPMorgan Chase & Co.
JPM · 1,254 data points
Lowest
+0.545
Eli Lilly & Co.
LLY · 1,254 data points
Saved 4 hours ago · ID: stock-csco-vs-stock-xom-daily