BST vs ORCL: Correlation
BlackRock Science and Technology Trust (BST) and Oracle Corporation (ORCL) show a moderate relationship: their 3-year correlation of weekly returns is 0.49.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BST and ORCL?
Across a 3-year window, the weekly returns of BST and ORCL correlate at 0.49, moderate. Little has changed lately, as the 1-year reading of 0.49 lands near the 3-year figure. Stretching to 5 years gives 0.48, with an annualized covariance of 544.8 %².
Among the 25 assets we track against BST, ORCL ranks #18 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BST outperformed by 75.5 percentage points (+40.7% for BST against -34.8% for ORCL). Note the risk asymmetry: ORCL runs 2.2 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.
BST vs ORCL: side by side
| BST (BlackRock Science and Technology Trust) | ORCL (Oracle Corporation) | |
|---|---|---|
| 1-year return | +40.7% | -34.8% |
| 5-year return | +46.7% | +81.7% |
| Volatility (ann.) | 22.2% | 49.9% |
| Beta vs S&P 500 | 1.27 | 1.71 |
| Max drawdown (3Y) | -23.4% | -64.6% |
| Market cap | – | $437.7B |
| P/E (trailing) | 6.9 | 25.5 |
| Dividend yield | 0.00% | 1.34% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | BST | ORCL |
|---|---|---|
| 2022 | -38.3% | -4.6% |
| 2023 | +30.1% | +30.9% |
| 2024 | +18.0% | +60.0% |
| 2025 | +23.7% | +18.1% |
| 2026 | +30.9% | -21.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BST and ORCL good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between BST and ORCL?
The BST/ORCL correlation stands at 0.49 on a 3-year window (1 year: 0.49, 5 years: 0.48), computed from weekly returns as of 2026-08-27.
Is ORCL a good diversifier for BST?
Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.49 mean?
A reading of 0.49 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bst-vs-orcl.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bst-vs-orcl/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BST correlations · ORCL correlations
