OPK vs TCRT: Correlation
Opko Health, Inc. (OPK) and Alaunos Therapeutics, Inc. (TCRT) show a negative relationship: their 3-year correlation of weekly returns is -0.28.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OPK and TCRT?
Across a 3-year window, the weekly returns of OPK and TCRT correlate at -0.28, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.11) runs above the 3-year figure (-0.28). Stretching to 5 years gives -0.11, with an annualized covariance of -1643.1 %².
Among the 11 assets we track against OPK, TCRT sits near the bottom by co-movement, at rank #10. The last year tells two different stories: OPK led by 17.8 percentage points, +5.6% for OPK against -12.2% for TCRT. Risk is not evenly split, since TCRT carries 2.5 times the volatility of the other side.
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.
OPK vs TCRT: side by side
| OPK (Opko Health, Inc.) | TCRT (Alaunos Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +5.6% | -12.2% |
| 5-year return | -60.9% | -99.3% |
| Volatility (ann.) | 48.2% | 121.9% |
| Beta vs S&P 500 | 0.84 | -1.11 |
| Max drawdown (3Y) | -53.2% | -95.0% |
| Market cap | $1.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OPK | TCRT |
|---|---|---|
| 2022 | -74.0% | -40.4% |
| 2023 | +20.8% | -89.2% |
| 2024 | -2.6% | -81.8% |
| 2025 | -14.3% | +69.1% |
| 2026 | +19.0% | -48.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OPK and TCRT good diversifiers for each other?
Yes. With a correlation of -0.28, OPK and TCRT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between OPK and TCRT?
The OPK/TCRT correlation stands at -0.28 on a 3-year window (1 year: 0.11, 5 years: -0.11), computed from weekly returns as of 2026-08-27.
Is TCRT a good diversifier for OPK?
Yes. With a correlation of -0.28, OPK and TCRT have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.28 mean?
On the −1 to +1 scale, -0.28 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/opk-vs-tcrt.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/opk-vs-tcrt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: OPK correlations · TCRT correlations
