ARBE vs BST: Correlation
Arbe Robotics Ltd. (ARBE) and BlackRock Science and Technology Trust (BST) show a moderate relationship: their 3-year correlation of weekly returns is 0.42.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARBE and BST?
Across a 3-year window, the weekly returns of ARBE and BST correlate at 0.42, moderate. Recent behaviour matches the longer record: 0.39 over 1 year against 0.42 over 3. Stretching to 5 years gives 0.28, with an annualized covariance of 819.1 %².
In ARBE's tracked universe of 14 assets, BST sits right near the top at #3. Correlation aside, the last 12 months split them widely, with BST ahead by 92.8 points (-52.1% versus +40.7%). One caveat on sizing: ARBE is 4.0 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.
ARBE vs BST: side by side
| ARBE (Arbe Robotics Ltd.) | BST (BlackRock Science and Technology Trust) | |
|---|---|---|
| 1-year return | -52.1% | +40.7% |
| 5-year return | -93.4% | +46.7% |
| Volatility (ann.) | 87.7% | 22.2% |
| Beta vs S&P 500 | 2.41 | 1.27 |
| Max drawdown (3Y) | -86.1% | -23.4% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | 6.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ARBE | BST |
|---|---|---|
| 2022 | -63.3% | -38.3% |
| 2023 | -36.1% | +30.1% |
| 2024 | -14.7% | +18.0% |
| 2025 | -36.6% | +23.7% |
| 2026 | -43.6% | +30.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARBE and BST good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between ARBE and BST?
The ARBE/BST correlation stands at 0.42 on a 3-year window (1 year: 0.39, 5 years: 0.28), computed from weekly returns as of 2026-08-27.
Is BST a good diversifier for ARBE?
Yes, to a useful degree: a correlation of 0.42 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.42 mean?
On the −1 to +1 scale, 0.42 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/arbe-vs-bst.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/arbe-vs-bst/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ARBE correlations · BST correlations
