Correlation Analysis
Nvidia Corp vs Cummins Inc.
NVDA vs CMI
+0.884
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
Cummins Inc.
↗CMI
Cummins is a leading manufacturer of diesel and other engines used in heavy- and medium-duty commercial trucks, off-highway equipment, and locomotives, in addition to prime power and standby generators. The company also sells powertrain components, which include filtration products, transmissions, turbochargers, aftertreatment systems, and fuel systems. Sales are approximately 60% US and Canada and 40% rest of the world. Much of Cummins' foreign sales (China, India, and so forth) are through joint ventures. The company operates 650 distributors and over 19,000 dealer locations across 190 countries. Cummins' business model is unique as it competes with many of its heavy-duty truck manufacturer customers, which also make their own engines.
Market cap 76.3B · 67,400 employees
Time Series
Rebased to 100
Who Moves First
NVDA leads CMI by 6 days
NVDA tends to move before CMI.
Best correlation after shifting: +0.890 (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
+0.083
15 periods · Return correlation when both series rose
Both Falling
+0.821
5 periods · Return correlation when both series fell
Diverging
-0.747
15 periods · Return correlation when series moved apart
R-Squared
78.2%
Share of variance in one series explained by the other.
Trend Agreement
60.0%
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: [0.872, 0.896]
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
Cummins Inc.
CMI
Market cap 76.3B · 67,400 employees
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
36
Estimated crossover points between normalized spreads.
Slope
1.3545
Linear regression slope.
Intercept
187.3988
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 3 hours ago · ID: stock-nvda-vs-stock-cmi-daily-20260408-0917ap