Correlation Analysis
Mastercard Incorporated vs Nextpower Inc. Class A Common Stock
MA vs NXT
+0.529
Moderate positive
When one moves up, the other tends to follow.
Mastercard Incorporated
↗MA
Mastercard is the second-largest payment processor in the world, having processed close to $11 trillion in volume during 2025. Mastercard operates in over 200 countries and processes transactions in over 150 currencies.
Market cap 447.2B
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
Time Series
Relative Performance
Who Moves First
MA leads NXT by 6 days
MA tends to move before NXT.
After testing 13 timing shifts, the strongest relationship was +0.549 (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
+0.588
11 periods · Return correlation when both series rose
Both Falling
-0.218
11 periods · Return correlation when both series fell
Diverging
-0.746
13 periods · Return correlation when series moved apart
R-Squared
27.9%
Share of variance in one series explained by the other.
Trend Agreement
53.4%
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: [0.476, 0.577]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
791 paired data points survived the daily window.
Raw input
1,254
791
Normalized
1,254
791
Prepared
1,254
791
Aligned
791
791
Invalid removed
0
A: 0 / B: 0
Duplicates removed
0
A: 0 / B: 0
Alignment drops
463
A: 463 / B: 0
Series A
Mastercard Incorporated
MA
Market cap 447.2B
Stock · 1,254 raw → 1,254 prepared
Series B
Nextpower Inc. Class A Common Stock
NXT
Market cap 16B · 1,300 employees
Stock · 791 raw → 791 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
12
Estimated crossover points between normalized spreads.
Slope
0.1713
Linear regression slope.
Intercept
-28.2354
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
MA
Mastercard Incorporated
Highest
+0.987
VISA Inc.
V · 1,254 data points
Lowest
-0.898
United Parcel Service, Inc. Class B
UPS · 1,254 data points
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 5 hours ago · ID: stock-ma-vs-stock-nxt-daily