BCE vs TLSA: Correlation
How closely do BCE, Inc. (BCE) and Tiziana Life Sciences Ltd (TLSA) trade together? Their weekly returns over three years give a correlation of 0.23, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BCE and TLSA?
On 3 years of weekly data the BCE/TLSA correlation comes out at 0.23, weak. Recent behaviour matches the longer record: 0.18 over 1 year against 0.23 over 3. The 5-year figure is 0.14, and annualized covariance runs at 453.5 %².
By 3-year correlation, TLSA places #8 of the 27 assets tracked against BCE. Their recent paths diverged sharply: over the last 12 months BCE outperformed by 40.2 percentage points (-1.4% for BCE against -41.6% for TLSA). Risk is not evenly split, since TLSA carries 4.3 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.
BCE vs TLSA: side by side
| BCE (BCE, Inc.) | TLSA (Tiziana Life Sciences Ltd) | |
|---|---|---|
| 1-year return | -1.4% | -41.6% |
| 5-year return | -36.8% | -31.6% |
| Volatility (ann.) | 21.5% | 92.1% |
| Beta vs S&P 500 | -0.06 | -0.48 |
| Max drawdown (3Y) | -43.5% | -64.4% |
| Market cap | $21.8B | $0.1B |
| P/E (trailing) | 4.8 | – |
| Dividend yield | 7.45% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BCE | TLSA |
|---|---|---|
| 2022 | -10.6% | -37.5% |
| 2023 | -4.2% | -6.7% |
| 2024 | -35.5% | +25.0% |
| 2025 | +10.2% | +112.9% |
| 2026 | +0.8% | -27.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BCE and TLSA good diversifiers for each other?
A fair diversifier. At 0.23, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between BCE and TLSA?
As of 2026-08-27, the correlation of weekly returns between BCE and TLSA is 0.23 over 3 years, 0.18 over 1 year and 0.14 over 5 years.
Is TLSA a good diversifier for BCE?
A fair diversifier. At 0.23, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.23 mean?
On the −1 to +1 scale, 0.23 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/bce-vs-tlsa.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bce-vs-tlsa/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: BCE correlations · TLSA correlations
