BSTZ vs JBL: Correlation
BlackRock Science and Technology Term Trust (BSTZ) and Jabil (JBL) show a moderate relationship: their 3-year correlation of weekly returns is 0.58.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BSTZ and JBL?
Over the past 3 years, BSTZ and JBL moved with a correlation of 0.58, which is moderate. Recent behaviour matches the longer record: 0.63 over 1 year against 0.58 over 3. Over 5 years the correlation is 0.56, and the annualized covariance of weekly returns is 555.4 %².
Among the 21 assets we track against BSTZ, JBL ranks #10 by 3-year correlation. Over the last 12 months BSTZ came out ahead by 7.0 percentage points (+57.4% against +50.4%). Note the risk asymmetry: JBL runs 1.7 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.
BSTZ vs JBL: side by side
| BSTZ (BlackRock Science and Technology Term Trust) | JBL (Jabil) | |
|---|---|---|
| 1-year return | +57.4% | +50.4% |
| 5-year return | +31.6% | +405.5% |
| Volatility (ann.) | 23.7% | 40.6% |
| Beta vs S&P 500 | 1.19 | 1.47 |
| Max drawdown (3Y) | -25.3% | -36.8% |
| Market cap | $2.1B | $32.7B |
| P/E (trailing) | 6.7 | 38.9 |
| Dividend yield | 0.00% | 0.10% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | BSTZ | JBL |
|---|---|---|
| 2022 | -55.3% | -2.5% |
| 2023 | +18.7% | +87.4% |
| 2024 | +37.5% | +13.3% |
| 2025 | +25.1% | +58.7% |
| 2026 | +44.7% | +37.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BSTZ and JBL good diversifiers for each other?
Only partially. A correlation of 0.58 means BSTZ and JBL share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between BSTZ and JBL?
The BSTZ/JBL correlation stands at 0.58 on a 3-year window (1 year: 0.63, 5 years: 0.56), computed from weekly returns as of 2026-08-27.
Is JBL a good diversifier for BSTZ?
Only partially. A correlation of 0.58 means BSTZ and JBL share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.58 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/bstz-vs-jbl.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bstz-vs-jbl/)
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Hubs: BSTZ correlations · JBL correlations
