A vs TLSA: Correlation
How closely do Agilent Technologies (A) and Tiziana Life Sciences Ltd (TLSA) trade together? Their weekly returns over three years give a correlation of -0.16, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are A and TLSA?
Across a 3-year window, the weekly returns of A and TLSA correlate at -0.16, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.10 lands near the 3-year figure. Stretching to 5 years gives -0.06, with an annualized covariance of -452.3 %².
Within A's tracked universe of 33 assets, TLSA comes in at #26 by 3-year correlation. Correlation aside, the last 12 months split them widely, with A ahead by 75.5 points (+33.9% versus -41.6%). One caveat on sizing: TLSA is 3.0 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.
A vs TLSA: side by side
| A (Agilent Technologies) | TLSA (Tiziana Life Sciences Ltd) | |
|---|---|---|
| 1-year return | +33.9% | -41.6% |
| 5-year return | -7.5% | -31.6% |
| Volatility (ann.) | 31.0% | 92.1% |
| Beta vs S&P 500 | 0.98 | -0.48 |
| Max drawdown (3Y) | -35.3% | -64.4% |
| Market cap | $44.5B | $0.1B |
| P/E (trailing) | 30.6 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | A | TLSA |
|---|---|---|
| 2022 | -5.5% | -37.5% |
| 2023 | -6.4% | -6.7% |
| 2024 | -2.7% | +25.0% |
| 2025 | +1.9% | +112.9% |
| 2026 | +16.6% | -27.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are A and TLSA good diversifiers for each other?
Yes: at -0.16, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between A and TLSA?
The A/TLSA correlation stands at -0.16 on a 3-year window (1 year: -0.10, 5 years: -0.06), computed from weekly returns as of 2026-08-27.
Is TLSA a good diversifier for A?
Yes: at -0.16, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.16 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/a-vs-tlsa.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/a-vs-tlsa/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: A correlations · TLSA correlations
