KLRS vs LYEL: Correlation
Kalaris Therapeutics, Inc. (KLRS) and Lyell Immunopharma, Inc. (LYEL) show a moderate relationship: their 3-year correlation of weekly returns is 0.35.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KLRS and LYEL?
Across a 3-year window, the weekly returns of KLRS and LYEL correlate at 0.35, moderate. The past 12 months show a tighter link (0.46) than the 3-year average (0.35). Stretching to 5 years gives 0.35, with an annualized covariance of 3477.9 %².
Within KLRS's tracked universe of 15 assets, LYEL comes in at #4 by 3-year correlation. Twelve-month performance is nearly a tie, at +33.1% for KLRS and +29.5% for LYEL.
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.
KLRS vs LYEL: side by side
| KLRS (Kalaris Therapeutics, Inc.) | LYEL (Lyell Immunopharma, Inc.) | |
|---|---|---|
| 1-year return | +33.1% | +29.5% |
| 5-year return | -99.1% | -95.4% |
| Volatility (ann.) | 98.7% | 99.9% |
| Beta vs S&P 500 | 1.33 | 2.09 |
| Max drawdown (3Y) | -97.0% | -87.3% |
| Market cap | $0.1B | $0.4B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KLRS | LYEL |
|---|---|---|
| 2022 | -60.4% | -55.2% |
| 2023 | -86.7% | -44.1% |
| 2024 | -38.2% | -67.0% |
| 2025 | -12.6% | +140.5% |
| 2026 | -51.4% | -52.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KLRS and LYEL good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between KLRS and LYEL?
As of 2026-08-27, the correlation of weekly returns between KLRS and LYEL is 0.35 over 3 years, 0.46 over 1 year and 0.35 over 5 years.
Is LYEL a good diversifier for KLRS?
Yes, to a useful degree: a correlation of 0.35 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.35 mean?
On the −1 to +1 scale, 0.35 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/klrs-vs-lyel.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/klrs-vs-lyel/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: KLRS correlations · LYEL correlations
