BLK vs TCRT: Correlation
BlackRock (BLK) and Alaunos Therapeutics, Inc. (TCRT) show a negative relationship: their 3-year correlation of weekly returns is -0.22.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BLK and TCRT?
Across a 3-year window, the weekly returns of BLK and TCRT correlate at -0.22, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.06) runs above the 3-year figure (-0.22). Stretching to 5 years gives -0.04, with an annualized covariance of -648.4 %².
Among the 42 assets we track against BLK, TCRT sits near the bottom by co-movement, at rank #38. Their recent paths diverged sharply: over the last 12 months BLK outperformed by 17.5 percentage points (+5.3% for BLK against -12.2% for TCRT). Note the risk asymmetry: TCRT runs 4.9 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.
BLK vs TCRT: side by side
| BLK (BlackRock) | TCRT (Alaunos Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +5.3% | -12.2% |
| 5-year return | +38.9% | -99.3% |
| Volatility (ann.) | 24.7% | 121.9% |
| Beta vs S&P 500 | 1.19 | -1.11 |
| Max drawdown (3Y) | -23.7% | -95.0% |
| Market cap | $189.7B | – |
| P/E (trailing) | 28.1 | – |
| Dividend yield | 1.86% | 0.00% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | BLK | TCRT |
|---|---|---|
| 2022 | -20.4% | -40.4% |
| 2023 | +17.9% | -89.2% |
| 2024 | +29.3% | -81.8% |
| 2025 | +6.6% | +69.1% |
| 2026 | +10.3% | -48.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BLK and TCRT good diversifiers for each other?
Yes. With a correlation of -0.22, BLK and TCRT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BLK and TCRT?
The BLK/TCRT correlation stands at -0.22 on a 3-year window (1 year: -0.06, 5 years: -0.04), computed from weekly returns as of 2026-08-27.
Is TCRT a good diversifier for BLK?
Yes. With a correlation of -0.22, BLK and TCRT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.22 mean?
A reading of -0.22 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/blk-vs-tcrt.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/blk-vs-tcrt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BLK correlations · TCRT correlations
