Correlation Analysis
Nextpower Inc. Class A Common Stock vs VISA Inc.
NXT vs V
+0.536
Moderate 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
VISA Inc.
↗V
Visa is the largest payment processor in the world. In fiscal 2025, it processed almost $17 trillion in total volume. Visa operates in over 200 countries and processes transactions in over 160 currencies. Its systems are capable of processing over 65,000 transactions per second.
Market cap 583.4B
Time Series
Relative Performance
Who Moves First
V leads NXT by 6 days
V tends to move before NXT.
After testing 13 timing shifts, the strongest relationship was +0.558 (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
+0.275
12 periods · Return correlation when both series rose
Both Falling
-0.605
7 periods · Return correlation when both series fell
Diverging
-0.728
16 periods · Return correlation when series moved apart
R-Squared
28.8%
Share of variance in one series explained by the other.
Trend Agreement
52.9%
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: [0.485, 0.584]
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
VISA Inc.
V
Market cap 583.4B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
16
Estimated crossover points between normalized spreads.
Slope
1.0348
Linear regression slope.
Intercept
235.1131
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
Saved 7 hours ago · ID: stock-nxt-vs-stock-v-daily