Correlation Analysis
Nextpower Inc. Class A Common Stock vs Walmart Inc. Common Stock
NXT vs WMT
+0.755
Strong positive
When one moves up, the other tends to follow.
Nextpower Inc. Class A Common Stock
↗NXT
Nextpower (and its subsidiaries) is a leading provider of intelligent, integrated solar tracker and software solutions used in utility-scale and distributed generation solar projects around the world. Nextpower's products enable solar panels in utility-scale power plants to follow the sun's movement across the sky and optimize plant performance. Nextpower has operations in the United States, Mexico, Spain and other countries in Europe, India, Australia, the Middle East, Africa, and Brazil.
Market cap 16B · 1,300 employees
Walmart Inc. Common Stock
↗WMT
Since its founding in 1962, Walmart has become the world's largest retailer, operating over 10,700 stores globally (including 4,600 namesake locations on its home turf and another 600 Sam's Club outlets) and growing its e-commerce presence, attracting 270 million customers weekly. In aggregate, the firm posted more than $680 billion in fiscal 2025 sales. Its core operations span three reporting segments: Walmart US (68% of fiscal 2025 sales), Walmart International (18%), and Sam's Club (14%). Within the US, nearly 60% of its $465 billion in fiscal 2025 revenue came from its grocery offerings, with another quarter from general merchandise. Internationally, Walmart's operations are concentrated in Mexico, though it also has budding exposure to India.
Market cap 1T
Time Series
Relative Performance
Who Moves First
in sync
NXT and WMT tend to move at the same time.
After testing 13 timing shifts, the strongest relationship was +0.755 (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
+0.606
16 periods · Return correlation when both series rose
Both Falling
+0.190
6 periods · Return correlation when both series fell
Diverging
-0.858
13 periods · Return correlation when series moved apart
R-Squared
57.1%
Share of variance in one series explained by the other.
Trend Agreement
51.8%
How often both series moved in the same direction period-to-period.
Overlap Quality
791
Deep shared window — 791 usable pairs.
Significance
p < 0.001
95% CI: [0.724, 0.784]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
791 paired data points survived the daily window.
Raw input
791
1,254
Normalized
791
1,254
Prepared
791
1,254
Aligned
791
791
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
463
A: 0 / B: 463
Series A
Nextpower Inc. Class A Common Stock
NXT
Market cap 16B · 1,300 employees
Stock · 791 raw → 791 prepared
Series B
Walmart Inc. Common Stock
WMT
Market cap 1T
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
18
Estimated crossover points between normalized spreads.
Slope
0.7884
Linear regression slope.
Intercept
35.7860
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
NXT
Nextpower Inc. Class A Common Stock
Highest
+0.932
Micron Technology, Inc.
MU · 791 data points
Lowest
+0.504
Costco Wholesale Corp
COST · 791 data points
Saved 6 hours ago · ID: stock-nxt-vs-stock-wmt-daily