RR vs TLSA: Correlation
How closely do Richtech Robotics Inc. (RR) and Tiziana Life Sciences Ltd (TLSA) trade together? Their weekly returns over three years give a correlation of -0.24, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are RR and TLSA?
Across a 3-year window, the weekly returns of RR and TLSA correlate at -0.24, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.22) runs above the 3-year figure (-0.24). Stretching to 5 years gives n/a, with an annualized covariance of -3465.8 %².
Among the 21 assets we track against RR, TLSA sits near the bottom by co-movement, at rank #21. Twelve-month performance is nearly a tie, at -41.1% for RR and -41.6% for TLSA. One caveat on sizing: RR is 1.7 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.
RR vs TLSA: side by side
| RR (Richtech Robotics Inc.) | TLSA (Tiziana Life Sciences Ltd) | |
|---|---|---|
| 1-year return | -41.1% | -41.6% |
| 5-year return | n/a | -31.6% |
| Volatility (ann.) | 155.1% | 92.1% |
| Beta vs S&P 500 | 2.22 | -0.48 |
| Max drawdown (3Y) | -96.7% | -64.4% |
| Market cap | $0.4B | $0.1B |
| P/E (trailing) | 27.9 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RR | TLSA |
|---|---|---|
| 2022 | – | -37.5% |
| 2023 | – | -6.7% |
| 2024 | -54.6% | +25.0% |
| 2025 | +19.6% | +112.9% |
| 2026 | -39.6% | -27.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RR and TLSA good diversifiers for each other?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between RR and TLSA?
Using weekly returns as of 2026-08-27: -0.24 over 3 years, with 0.22 over the last year and n/a over 5 years.
Is TLSA a good diversifier for RR?
Yes: at -0.24, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.24 mean?
A reading of -0.24 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/rr-vs-tlsa.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rr-vs-tlsa/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: RR correlations · TLSA correlations
