HII vs PBK: Correlation
How closely do Huntington Ingalls Industries (HII) and PowerBank Corporation (PBK) trade together? Their weekly returns over three years give a correlation of -0.21, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HII and PBK?
Over the past 3 years, HII and PBK moved with a correlation of -0.21, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.24) sits close to the 3-year figure. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -760.7 %².
PBK is close to the least connected end of HII's tracked universe, ranking #24 of 28. Correlation aside, the last 12 months split them widely, with HII ahead by 88.1 points (+9.4% versus -78.7%). One caveat on sizing: PBK is 2.7 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
HII vs PBK: side by side
| HII (Huntington Ingalls Industries) | PBK (PowerBank Corporation) | |
|---|---|---|
| 1-year return | +9.4% | -78.7% |
| 5-year return | +59.2% | n/a |
| Volatility (ann.) | 35.3% | 96.0% |
| Beta vs S&P 500 | 0.84 | 0.19 |
| Max drawdown (3Y) | -45.2% | -93.7% |
| Market cap | $11.7B | – |
| P/E (trailing) | 17.7 | – |
| Dividend yield | 1.85% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | HII | PBK |
|---|---|---|
| 2022 | +26.3% | – |
| 2023 | +15.2% | – |
| 2024 | -25.7% | – |
| 2025 | +84.2% | -11.7% |
| 2026 | -11.9% | -75.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HII and PBK good diversifiers for each other?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between HII and PBK?
The HII/PBK correlation stands at -0.21 on a 3-year window (1 year: -0.24, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is PBK a good diversifier for HII?
Yes: at -0.21, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.21 mean?
On the −1 to +1 scale, -0.21 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/hii-vs-pbk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/hii-vs-pbk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: HII correlations · PBK correlations
