STRO vs YHGJ: Correlation
Measured on weekly returns over the past three years, Sutro Biopharma, Inc. (STRO) and Yunhong Green CTI Ltd. (YHGJ) carry a correlation of -0.28, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are STRO and YHGJ?
Across a 3-year window, the weekly returns of STRO and YHGJ correlate at -0.28, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.23 lands near the 3-year figure. Stretching to 5 years gives -0.15, with an annualized covariance of -2881.6 %².
Among the 13 assets we track against STRO, YHGJ sits near the bottom by co-movement, at rank #10. Their recent paths diverged sharply: over the last 12 months STRO outperformed by 181.7 percentage points (+136.8% for STRO against -44.9% for YHGJ).
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.
STRO vs YHGJ: side by side
| STRO (Sutro Biopharma, Inc.) | YHGJ (Yunhong Green CTI Ltd.) | |
|---|---|---|
| 1-year return | +136.8% | -44.9% |
| 5-year return | -90.2% | -85.6% |
| Volatility (ann.) | 112.5% | 90.5% |
| Beta vs S&P 500 | 3.52 | -0.69 |
| Max drawdown (3Y) | -90.8% | -91.7% |
| Market cap | $0.4B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | STRO | YHGJ |
|---|---|---|
| 2022 | -45.7% | -12.6% |
| 2023 | -46.9% | +105.8% |
| 2024 | -57.1% | -74.3% |
| 2025 | -37.1% | -34.0% |
| 2026 | +84.2% | -19.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are STRO and YHGJ good diversifiers for each other?
Yes. With a correlation of -0.28, STRO and YHGJ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between STRO and YHGJ?
As of 2026-08-27, the correlation of weekly returns between STRO and YHGJ is -0.28 over 3 years, -0.23 over 1 year and -0.15 over 5 years.
Is YHGJ a good diversifier for STRO?
Yes. With a correlation of -0.28, STRO and YHGJ have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.28 mean?
A reading of -0.28 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/stro-vs-yhgj.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/stro-vs-yhgj/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: STRO correlations · YHGJ correlations
