PBYI vs TLS: Correlation
Puma Biotechnology Inc (PBYI) and Telos Corporation (TLS) show a moderate relationship: their 3-year correlation of weekly returns is 0.45.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PBYI and TLS?
Across a 3-year window, the weekly returns of PBYI and TLS correlate at 0.45, moderate. The past 12 months show a weaker link (0.13) than the 3-year average (0.45). Stretching to 5 years gives 0.33, with an annualized covariance of 3497.1 %².
Few assets follow PBYI as closely as TLS, which ranks #1 of 10 tracked partners. Correlation aside, the last 12 months split them widely, with PBYI ahead by 98.5 points (+81.2% versus -17.3%). One caveat on sizing: TLS is 1.6 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.
PBYI vs TLS: side by side
| PBYI (Puma Biotechnology Inc) | TLS (Telos Corporation) | |
|---|---|---|
| 1-year return | +81.2% | -17.3% |
| 5-year return | +21.4% | -85.1% |
| Volatility (ann.) | 70.9% | 110.3% |
| Beta vs S&P 500 | 0.91 | 2.54 |
| Max drawdown (3Y) | -69.6% | -58.3% |
| Market cap | $0.5B | $0.4B |
| P/E (trailing) | 18.1 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PBYI | TLS |
|---|---|---|
| 2022 | +39.1% | -67.0% |
| 2023 | +2.4% | -28.3% |
| 2024 | -29.6% | -6.3% |
| 2025 | +95.1% | +49.1% |
| 2026 | +55.3% | -5.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PBYI and TLS good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between PBYI and TLS?
As of 2026-08-27, the correlation of weekly returns between PBYI and TLS is 0.45 over 3 years, 0.13 over 1 year and 0.33 over 5 years.
Is TLS a good diversifier for PBYI?
Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.45 mean?
A reading of 0.45 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: PBYI correlations · TLS correlations
