BMR vs TDS: Correlation
Beamr Imaging Ltd. (BMR) and Telephone and Data Systems, Inc. (TDS) show a negative relationship: their 3-year correlation of weekly returns is -0.30.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BMR and TDS?
Over the past 3 years, BMR and TDS moved with a correlation of -0.30, which is negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.17) runs above the 3-year figure (-0.30). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -4473.6 %².
Among the 36 assets we track against BMR, TDS sits near the bottom by co-movement, at rank #32. Correlation aside, the last 12 months split them widely, with TDS ahead by 40.8 points (-57.8% versus -17.0%). Note the risk asymmetry: BMR runs 6.9 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.
BMR vs TDS: side by side
| BMR (Beamr Imaging Ltd.) | TDS (Telephone and Data Systems, Inc.) | |
|---|---|---|
| 1-year return | -57.8% | -17.0% |
| 5-year return | n/a | +91.9% |
| Volatility (ann.) | 324.4% | 46.7% |
| Beta vs S&P 500 | 1.15 | 0.86 |
| Max drawdown (3Y) | -92.7% | -33.4% |
| Market cap | – | $3.8B |
| P/E (trailing) | – | 8.3 |
| Dividend yield | 0.00% | 0.48% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BMR | TDS |
|---|---|---|
| 2022 | – | -45.3% |
| 2023 | – | +86.3% |
| 2024 | +239.3% | +89.0% |
| 2025 | -68.1% | +20.7% |
| 2026 | -18.5% | -19.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BMR and TDS good diversifiers for each other?
Yes. With a correlation of -0.30, BMR and TDS have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BMR and TDS?
Using weekly returns as of 2026-08-27: -0.30 over 3 years, with 0.17 over the last year and n/a over 5 years.
Is TDS a good diversifier for BMR?
Yes. With a correlation of -0.30, BMR and TDS have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.30 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/bmr-vs-tds.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/bmr-vs-tds/)
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Related comparisons
Hubs: BMR correlations · TDS correlations
