PBK vs ZBRA: Correlation
How closely do PowerBank Corporation (PBK) and Zebra Technologies (ZBRA) trade together? Their weekly returns over three years give a correlation of -0.18, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PBK and ZBRA?
On 3 years of weekly data the PBK/ZBRA correlation comes out at -0.18, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.18 over 1 year against -0.18 over 3. The 5-year figure is n/a, and annualized covariance runs at -714.2 %².
By 3-year correlation, ZBRA places #9 of the 20 assets tracked against PBK. Correlation aside, the last 12 months split them widely, with ZBRA ahead by 91.0 points (-78.7% versus +12.3%). One caveat on sizing: PBK is 2.4 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.
PBK vs ZBRA: side by side
| PBK (PowerBank Corporation) | ZBRA (Zebra Technologies) | |
|---|---|---|
| 1-year return | -78.7% | +12.3% |
| 5-year return | n/a | -38.2% |
| Volatility (ann.) | 96.0% | 40.8% |
| Beta vs S&P 500 | 0.19 | 1.54 |
| Max drawdown (3Y) | -93.7% | -52.7% |
| Market cap | – | $17.1B |
| P/E (trailing) | – | 33.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | PBK | ZBRA |
|---|---|---|
| 2022 | – | -56.9% |
| 2023 | – | +6.6% |
| 2024 | – | +41.3% |
| 2025 | -11.7% | -37.1% |
| 2026 | -75.2% | +48.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PBK and ZBRA good diversifiers for each other?
Yes. With a correlation of -0.18, PBK and ZBRA have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between PBK and ZBRA?
The PBK/ZBRA correlation stands at -0.18 on a 3-year window (1 year: -0.18, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is ZBRA a good diversifier for PBK?
Yes. With a correlation of -0.18, PBK and ZBRA have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.18 mean?
On the −1 to +1 scale, -0.18 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/pbk-vs-zbra.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/pbk-vs-zbra/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: PBK correlations · ZBRA correlations
