BST vs CRWD: Correlation
BlackRock Science and Technology Trust (BST) and CrowdStrike (CRWD) show a moderate relationship: their 3-year correlation of weekly returns is 0.57.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BST and CRWD?
On 3 years of weekly data the BST/CRWD correlation comes out at 0.57, moderate. The past 12 months show a weaker link (0.42) than the 3-year average (0.57). The 5-year figure is 0.57, and annualized covariance runs at 632.8 %².
Among the 25 assets we track against BST, CRWD ranks #16 by 3-year correlation. The last year tells two different stories: CRWD led by 75.1 percentage points, +40.7% for BST against +115.8% for CRWD. One caveat on sizing: CRWD is 2.3 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.
BST vs CRWD: side by side
| BST (BlackRock Science and Technology Trust) | CRWD (CrowdStrike) | |
|---|---|---|
| 1-year return | +40.7% | +115.8% |
| 5-year return | +46.7% | +218.4% |
| Volatility (ann.) | 22.2% | 50.2% |
| Beta vs S&P 500 | 1.27 | 1.87 |
| Max drawdown (3Y) | -23.4% | -44.4% |
| Market cap | – | $233.4B |
| P/E (trailing) | 6.9 | 3256.6 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | BST | CRWD |
|---|---|---|
| 2022 | -38.3% | -48.6% |
| 2023 | +30.1% | +142.5% |
| 2024 | +18.0% | +34.0% |
| 2025 | +23.7% | +37.0% |
| 2026 | +30.9% | +94.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BST and CRWD good diversifiers for each other?
Only partially. A correlation of 0.57 means BST and CRWD 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 BST and CRWD?
Using weekly returns as of 2026-08-27: 0.57 over 3 years, with 0.42 over the last year and 0.57 over 5 years.
Is CRWD a good diversifier for BST?
Only partially. A correlation of 0.57 means BST and CRWD share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.57 mean?
A reading of 0.57 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: BST correlations · CRWD correlations