Correlation Analysis
Huntington Ingalls Industries, Inc. vs Tesla, Inc. Common Stock
HII vs TSLA
+0.349
Light 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
Tesla, Inc. Common Stock
↗TSLA
Tesla is a vertically integrated battery electric vehicle automaker and developer of real world artificial intelligence software, which includes autonomous driving and humanoid robots. The company has multiple vehicles in its fleet, which include luxury and midsize sedans, crossover SUVs, a light truck, and a semi truck. Tesla also plans to begin selling a sports car and offer a robotaxi service. Global deliveries in 2025 were nearly 1.64 million vehicles. The company sells batteries for stationary storage for residential and commercial properties including utilities and solar panels and solar roofs for energy generation. Tesla also owns a fast-charging network and an auto insurance business.
Market cap 1.3T
Time Series
Relative Performance
Who Moves First
TSLA leads HII by 6 days
TSLA tends to move before HII.
After testing 13 timing shifts, the strongest relationship was +0.361 (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
-0.065
10 periods · Return correlation when both series rose
Both Falling
+0.526
5 periods · Return correlation when both series fell
Diverging
-0.773
20 periods · Return correlation when series moved apart
R-Squared
12.2%
Share of variance in one series explained by the other.
Trend Agreement
54.9%
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: [0.300, 0.397]
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
Tesla, Inc. Common Stock
TSLA
Market cap 1.3T
Stock · 1,254 raw → 1,254 prepared
Sign agreement
100.0%
How often both values share the same sign.
Zero crossings
46
Estimated crossover points between normalized spreads.
Slope
0.5541
Linear regression slope.
Intercept
141.3804
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
+0.369
NetFlix Inc
NFLX · 1,254 data points
TSLA
Tesla, Inc. Common Stock
Highest
+0.870
Reddit, Inc.
RDDT · 512 data points
Lowest
-0.817
Elevance Health, Inc.
ELV · 947 data points
Saved 4 hours ago · ID: stock-hii-vs-stock-tsla-daily