Correlation Analysis
Nvidia Corp vs American Express Company
NVDA vs AXP
+0.966
Very strong positive
When one moves up, the other tends to follow.
Nvidia Corp
↗NVDA
Nvidia is a leading developer of graphics processing units. Traditionally, GPUs were used to enhance the experience on computing platforms, most notably in gaming applications on PCs. GPU use cases have since emerged as important semiconductors used in artificial intelligence to run large language models. Nvidia not only offers AI GPUs, but also a software platform, Cuda, used for AI model development and training. Nvidia is also expanding its data center networking solutions, helping to tie GPUs together to handle complex workloads.
Market cap 4.3T
American Express Company
↗AXP
American Express is a global financial institution, operating in about 130 countries, that provides consumers and businesses charge and credit card payment products. The company also operates a highly profitable merchant payment network. It operates in four segments: US consumer services, US commercial services, international card services, and global merchant and network services. In addition to payment products, the company's commercial business offers expense management tools, consulting services, and business loans.
Market cap 209.7B · 76,800 employees
Time Series
Rebased to 100
Who Moves First
in sync
NVDA and AXP tend to move at the same time.
Best correlation after shifting: +0.966 (13 shifts scanned)
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
+0.374
16 periods · Return correlation when both series rose
Both Falling
+0.967
7 periods · Return correlation when both series fell
Diverging
-0.656
12 periods · Return correlation when series moved apart
R-Squared
93.3%
Share of variance in one series explained by the other.
Trend Agreement
63.1%
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: [0.962, 0.970]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired observations 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
Nvidia Corp
NVDA
Market cap 4.3T
Stock · 1,254 raw → 1,254 prepared
Series B
American Express Company
AXP
Market cap 209.7B · 76,800 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
78
Estimated crossover points between normalized spreads.
Slope
1.1000
Linear regression slope.
Intercept
134.5326
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-nvda-vs-stock-axp-daily-20260408-mmxu7n