CMPR vs PBK: Correlation
Cimpress plc (CMPR) and PowerBank Corporation (PBK) show a negative relationship: their 3-year correlation of weekly returns is -0.25.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CMPR and PBK?
On 3 years of weekly data the CMPR/PBK correlation comes out at -0.25, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.23 lands near the 3-year figure. The 5-year figure is n/a, and annualized covariance runs at -981.8 %².
PBK is close to the least connected end of CMPR's tracked universe, ranking #9 of 11. Their recent paths diverged sharply: over the last 12 months CMPR outperformed by 120.1 percentage points (+41.4% for CMPR against -78.7% for PBK). Note the risk asymmetry: PBK runs 2.3 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
CMPR vs PBK: side by side
| CMPR (Cimpress plc) | PBK (PowerBank Corporation) | |
|---|---|---|
| 1-year return | +41.4% | -78.7% |
| 5-year return | -5.1% | n/a |
| Volatility (ann.) | 41.5% | 96.0% |
| Beta vs S&P 500 | 1.04 | 0.19 |
| Max drawdown (3Y) | -61.2% | -93.7% |
| Market cap | $2.2B | – |
| P/E (trailing) | 23.1 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CMPR | PBK |
|---|---|---|
| 2022 | -61.4% | – |
| 2023 | +189.9% | – |
| 2024 | -10.4% | – |
| 2025 | -7.2% | -11.7% |
| 2026 | +33.7% | -75.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CMPR and PBK good diversifiers for each other?
By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.
FAQ
What is the correlation between CMPR and PBK?
Using weekly returns as of 2026-08-27: -0.25 over 3 years, with -0.23 over the last year and n/a over 5 years.
Is PBK a good diversifier for CMPR?
By historical standards, yes. A correlation of -0.25 means the two rarely move for the same reasons.
What does a correlation of -0.25 mean?
A reading of -0.25 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/cmpr-vs-pbk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cmpr-vs-pbk/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CMPR correlations · PBK correlations
