LCTX vs STRO: Correlation
How closely do Lineage Cell Therapeutics, Inc. (LCTX) and Sutro Biopharma, Inc. (STRO) trade together? Their weekly returns over three years give a correlation of 0.37, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are LCTX and STRO?
Across a 3-year window, the weekly returns of LCTX and STRO correlate at 0.37, moderate. Recent behaviour matches the longer record: 0.27 over 1 year against 0.37 over 3. Stretching to 5 years gives 0.36, with an annualized covariance of 2985.9 %².
Few assets follow LCTX as closely as STRO, which ranks #2 of 11 tracked partners. Their recent paths diverged sharply: over the last 12 months STRO outperformed by 141.7 percentage points (-4.9% for LCTX against +136.8% for STRO). Risk is not evenly split, since STRO carries 1.6 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.
LCTX vs STRO: side by side
| LCTX (Lineage Cell Therapeutics, Inc.) | STRO (Sutro Biopharma, Inc.) | |
|---|---|---|
| 1-year return | -4.9% | +136.8% |
| 5-year return | -52.7% | -90.2% |
| Volatility (ann.) | 72.1% | 112.5% |
| Beta vs S&P 500 | 1.00 | 3.52 |
| Max drawdown (3Y) | -73.6% | -90.8% |
| Market cap | $0.3B | $0.4B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | LCTX | STRO |
|---|---|---|
| 2022 | -52.2% | -45.7% |
| 2023 | -6.8% | -46.9% |
| 2024 | -54.1% | -57.1% |
| 2025 | +234.0% | -37.1% |
| 2026 | -30.5% | +84.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are LCTX and STRO good diversifiers for each other?
Reasonably. At 0.37, LCTX and STRO keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between LCTX and STRO?
Using weekly returns as of 2026-08-27: 0.37 over 3 years, with 0.27 over the last year and 0.36 over 5 years.
Is STRO a good diversifier for LCTX?
Reasonably. At 0.37, LCTX and STRO keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.37 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/lctx-vs-stro.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/lctx-vs-stro/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: LCTX correlations · STRO correlations