ANET vs BST: Correlation
Measured on weekly returns over the past three years, Arista Networks (ANET) and BlackRock Science and Technology Trust (BST) carry a correlation of 0.69, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ANET and BST?
On 3 years of weekly data the ANET/BST correlation comes out at 0.69, strong. The link has loosened recently: the 1-year correlation (0.56) runs below the 3-year figure (0.69). The 5-year figure is 0.59, and annualized covariance runs at 749.6 %².
Few assets follow ANET as closely as BST, which ranks #1 of 35 tracked partners. Over the last 12 months ANET came out ahead by 10.2 percentage points (+50.9% against +40.7%). One caveat on sizing: ANET is 2.2 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.
ANET vs BST: side by side
| ANET (Arista Networks) | BST (BlackRock Science and Technology Trust) | |
|---|---|---|
| 1-year return | +50.9% | +40.7% |
| 5-year return | +764.7% | +46.7% |
| Volatility (ann.) | 49.3% | 22.2% |
| Beta vs S&P 500 | 2.20 | 1.27 |
| Max drawdown (3Y) | -50.4% | -23.4% |
| Market cap | $253.6B | – |
| P/E (trailing) | 64.0 | 6.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | ANET | BST |
|---|---|---|
| 2022 | -15.6% | -38.3% |
| 2023 | +94.1% | +30.1% |
| 2024 | +87.7% | +18.0% |
| 2025 | +18.5% | +23.7% |
| 2026 | +53.5% | +30.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ANET and BST good diversifiers for each other?
To a limited degree. At 0.69 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between ANET and BST?
As of 2026-08-27, the correlation of weekly returns between ANET and BST is 0.69 over 3 years, 0.56 over 1 year and 0.59 over 5 years.
Is BST a good diversifier for ANET?
To a limited degree. At 0.69 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.69 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/anet-vs-bst.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/anet-vs-bst/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ANET correlations · BST correlations
