BST vs BTX: Correlation
BlackRock Science and Technology Trust (BST) and BlackRock Technology and Private Equity Term Trust (BTX) show a strong relationship: their 3-year correlation of weekly returns is 0.77.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BST and BTX?
Across a 3-year window, the weekly returns of BST and BTX correlate at 0.77, strong. The relationship has been stable: the 1-year correlation (0.70) sits close to the 3-year figure. Stretching to 5 years gives 0.80, with an annualized covariance of 417.4 %².
Within BST's tracked universe of 25 assets, BTX comes in at #10 by 3-year correlation. Their 12-month results are close: +40.7% for BST against +39.5% for BTX.
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 BTX: side by side
| BST (BlackRock Science and Technology Trust) | BTX (BlackRock Technology and Private Equity Term Trust) | |
|---|---|---|
| 1-year return | +40.7% | +39.5% |
| 5-year return | +46.7% | -21.7% |
| Volatility (ann.) | 22.2% | 24.4% |
| Beta vs S&P 500 | 1.27 | 1.23 |
| Max drawdown (3Y) | -23.4% | -31.7% |
| Market cap | – | $1.1B |
| P/E (trailing) | 6.9 | 23.8 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BST | BTX |
|---|---|---|
| 2022 | -38.3% | -47.8% |
| 2023 | +30.1% | +19.3% |
| 2024 | +18.0% | +13.4% |
| 2025 | +23.7% | +0.9% |
| 2026 | +30.9% | +45.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BST and BTX good diversifiers for each other?
To a limited degree. At 0.77 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 BST and BTX?
The BST/BTX correlation stands at 0.77 on a 3-year window (1 year: 0.70, 5 years: 0.80), computed from weekly returns as of 2026-08-27.
Is BTX a good diversifier for BST?
To a limited degree. At 0.77 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 0.77 mean?
A reading of 0.77 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-btx.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bst-vs-btx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BST correlations · BTX correlations
