EFC vs TLSA: Correlation
Measured on weekly returns over the past three years, Ellington Financial Inc. (EFC) and Tiziana Life Sciences Ltd (TLSA) carry a correlation of 0.25, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EFC and TLSA?
Across a 3-year window, the weekly returns of EFC and TLSA correlate at 0.25, weak. Little has changed lately, as the 1-year reading of 0.22 lands near the 3-year figure. Stretching to 5 years gives 0.12, with an annualized covariance of 424.1 %².
Among the 13 assets we track against EFC, TLSA sits near the bottom by co-movement, at rank #10. The last year tells two different stories: EFC led by 52.3 percentage points, +10.7% for EFC against -41.6% for TLSA. One caveat on sizing: TLSA is 4.9 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.
EFC vs TLSA: side by side
| EFC (Ellington Financial Inc.) | TLSA (Tiziana Life Sciences Ltd) | |
|---|---|---|
| 1-year return | +10.7% | -41.6% |
| 5-year return | +35.9% | -31.6% |
| Volatility (ann.) | 18.8% | 92.1% |
| Beta vs S&P 500 | 0.54 | -0.48 |
| Max drawdown (3Y) | -18.9% | -64.4% |
| Market cap | $1.8B | $0.1B |
| P/E (trailing) | 8.4 | – |
| Dividend yield | 11.59% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EFC | TLSA |
|---|---|---|
| 2022 | -18.3% | -37.5% |
| 2023 | +18.2% | -6.7% |
| 2024 | +8.7% | +25.0% |
| 2025 | +26.1% | +112.9% |
| 2026 | +7.2% | -27.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EFC and TLSA good diversifiers for each other?
A fair diversifier. At 0.25, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between EFC and TLSA?
As of 2026-08-27, the correlation of weekly returns between EFC and TLSA is 0.25 over 3 years, 0.22 over 1 year and 0.12 over 5 years.
Is TLSA a good diversifier for EFC?
A fair diversifier. At 0.25, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.25 mean?
On the −1 to +1 scale, 0.25 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/efc-vs-tlsa.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/efc-vs-tlsa/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: EFC correlations · TLSA correlations
