Correlation Analysis
Huntington Ingalls Industries, Inc. vs Mastercard Incorporated
HII vs MA
+0.474
Moderate positive
When one moves up, the other tends to follow.
Huntington Ingalls Industries, Inc.
↗HII
Huntington Ingalls Industries is the largest independent military shipbuilder in the US, spun out from Northrop Grumman in 2011. It operates three segments, two of which are storied shipyards: Ingalls produces non-nuclear-powered ships including amphibious landing ships and Arleigh Burke-class destroyers, while Newport News produces nuclear-powered ships as the only producer of Gerald Ford-class aircraft carriers and a major subcontractor on Virginia- and Columbia-class nuclear submarines. HII shares production of destroyers and nuclear submarines with General Dynamics' Bath Iron Works and Electric Boat shipyards, respectively. The company's mission technologies segment produces uncrewed sea vessels and provides a range of IT and other services to US government agencies.
Market cap 16.1B · 44,000 employees
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
Time Series
Relative Performance
Who Moves First
MA leads HII by 6 days
MA tends to move before HII.
After testing 13 timing shifts, the strongest relationship was +0.482 (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
+0.626
10 periods · Return correlation when both series rose
Both Falling
+0.285
5 periods · Return correlation when both series fell
Diverging
-0.732
20 periods · Return correlation when series moved apart
R-Squared
22.4%
Share of variance in one series explained by the other.
Trend Agreement
60.1%
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: [0.430, 0.516]
Scatter
XY Regression
Pipeline
Data quality details
Pipeline
Data quality details
Pipeline Summary
1,254 paired data points 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
Huntington Ingalls Industries, Inc.
HII
Market cap 16.1B · 44,000 employees
Stock · 1,254 raw → 1,254 prepared
Series B
Mastercard Incorporated
MA
Market cap 447.2B
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
40
Estimated crossover points between normalized spreads.
Slope
0.7759
Linear regression slope.
Intercept
246.7561
Linear regression intercept.
Related Extremes
Highest and Lowest Correlated
HII
Huntington Ingalls Industries, Inc.
Highest
+0.879
Micron Technology, Inc.
MU · 1,254 data points
Lowest
+0.349
Tesla, Inc. Common Stock
TSLA · 1,254 data points
Saved 6 hours ago · ID: stock-hii-vs-stock-ma-daily