ATER vs BAND: Correlation
Aterian, Inc. (ATER) and Bandwidth Inc. (BAND) show a moderate relationship: their 3-year correlation of weekly returns is 0.47.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ATER and BAND?
Over the past 3 years, ATER and BAND moved with a correlation of 0.47, which is moderate. Recent behaviour matches the longer record: 0.48 over 1 year against 0.47 over 3. Over 5 years the correlation is 0.33, and the annualized covariance of weekly returns is 3956.2 %².
Few assets follow ATER as closely as BAND, which ranks #1 of 10 tracked partners. The last year tells two different stories: BAND led by 310.4 percentage points, -61.2% for ATER against +249.2% for BAND.
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.
ATER vs BAND: side by side
| ATER (Aterian, Inc.) | BAND (Bandwidth Inc.) | |
|---|---|---|
| 1-year return | -61.2% | +249.2% |
| 5-year return | -99.5% | -50.5% |
| Volatility (ann.) | 90.5% | 93.1% |
| Beta vs S&P 500 | 1.58 | 1.91 |
| Max drawdown (3Y) | -94.0% | -52.9% |
| Market cap | – | $1.7B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ATER | BAND |
|---|---|---|
| 2022 | -81.3% | -68.0% |
| 2023 | -54.7% | -36.9% |
| 2024 | -42.7% | +17.6% |
| 2025 | -71.0% | -9.2% |
| 2026 | -43.6% | +235.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ATER and BAND good diversifiers for each other?
Reasonably. At 0.47, ATER and BAND keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ATER and BAND?
The ATER/BAND correlation stands at 0.47 on a 3-year window (1 year: 0.48, 5 years: 0.33), computed from weekly returns as of 2026-08-27.
Is BAND a good diversifier for ATER?
Reasonably. At 0.47, ATER and BAND keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.47 mean?
On the −1 to +1 scale, 0.47 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/ater-vs-band.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ater-vs-band/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ATER correlations · BAND correlations
