ATEN vs BB: Correlation
A10 Networks, Inc. (ATEN) and BlackBerry Limited (BB) show a moderate relationship: their 3-year correlation of weekly returns is 0.43.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATEN and BB?
Over the past 3 years, ATEN and BB moved with a correlation of 0.43, which is moderate. Little has changed lately, as the 1-year reading of 0.39 lands near the 3-year figure. Over 5 years the correlation is 0.34, and the annualized covariance of weekly returns is 911.8 %².
Within ATEN's tracked universe of 14 assets, BB comes in at #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BB outperformed by 68.1 percentage points (+56.6% for ATEN against +124.7% for BB). One caveat on sizing: BB is 1.9 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.
ATEN vs BB: side by side
| ATEN (A10 Networks, Inc.) | BB (BlackBerry Limited) | |
|---|---|---|
| 1-year return | +56.6% | +124.7% |
| 5-year return | +106.4% | -22.8% |
| Volatility (ann.) | 34.0% | 63.0% |
| Beta vs S&P 500 | 0.89 | 1.29 |
| Max drawdown (3Y) | -33.9% | -62.3% |
| Market cap | $2.0B | $5.1B |
| P/E (trailing) | 44.3 | 78.6 |
| Dividend yield | 0.93% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ATEN | BB |
|---|---|---|
| 2022 | +1.7% | -65.1% |
| 2023 | -19.4% | +8.6% |
| 2024 | +42.1% | +6.8% |
| 2025 | -2.6% | +0.3% |
| 2026 | +53.9% | +128.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATEN and BB good diversifiers for each other?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ATEN and BB?
Using weekly returns as of 2026-08-27: 0.43 over 3 years, with 0.39 over the last year and 0.34 over 5 years.
Is BB a good diversifier for ATEN?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.43 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aten-vs-bb.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/aten-vs-bb/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ATEN correlations · BB correlations
