BB vs BLZE: Correlation
How closely do BlackBerry Limited (BB) and Backblaze, Inc. (BLZE) trade together? Their weekly returns over three years give a correlation of 0.44, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BB and BLZE?
Over the past 3 years, BB and BLZE moved with a correlation of 0.44, which is moderate. The past 12 months show a tighter link (0.65) than the 3-year average (0.44). Over 5 years the correlation is 0.42, and the annualized covariance of weekly returns is 2601.2 %².
In BB's tracked universe of 11 assets, BLZE sits right near the top at #2. The last year tells two different stories: BB led by 38.8 percentage points, +124.7% for BB against +85.9% for BLZE.
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.
BB vs BLZE: side by side
| BB (BlackBerry Limited) | BLZE (Backblaze, Inc.) | |
|---|---|---|
| 1-year return | +124.7% | +85.9% |
| 5-year return | -22.8% | -23.4% |
| Volatility (ann.) | 63.0% | 92.9% |
| Beta vs S&P 500 | 1.29 | 1.92 |
| Max drawdown (3Y) | -62.3% | -72.0% |
| Market cap | $5.1B | $0.9B |
| P/E (trailing) | 78.6 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BB | BLZE |
|---|---|---|
| 2022 | -65.1% | -63.6% |
| 2023 | +8.6% | +23.4% |
| 2024 | +6.8% | -20.7% |
| 2025 | +0.3% | -22.6% |
| 2026 | +128.2% | +227.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BB and BLZE good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BB and BLZE?
As of 2026-08-27, the correlation of weekly returns between BB and BLZE is 0.44 over 3 years, 0.65 over 1 year and 0.42 over 5 years.
Is BLZE a good diversifier for BB?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.44 mean?
On the −1 to +1 scale, 0.44 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/bb-vs-blze.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bb-vs-blze/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BB correlations · BLZE correlations
