SPY vs YARW: Correlation
SPDR S&P 500 ETF Trust (SPY) and Yarrow Bioscience, Inc. (YARW) show a weak relationship: their 3-year correlation of weekly returns is 0.27.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SPY and YARW?
On 3 years of weekly data the SPY/YARW correlation comes out at 0.27, weak. Lately the two have drifted apart, with the 1-year correlation at 0.13 versus 0.27 over 3 years. The 5-year figure is 0.23, and annualized covariance runs at 394.1 %².
By 3-year correlation, YARW places #2593 of the 4755 assets tracked against SPY. The last year tells two different stories: YARW led by 292.4 percentage points, +20.6% for SPY against +313.0% for YARW. Risk is not evenly split, since YARW carries 6.9 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.
SPY vs YARW: side by side
| SPY (SPDR S&P 500 ETF Trust) | YARW (Yarrow Bioscience, Inc.) | |
|---|---|---|
| 1-year return | +20.6% | +313.0% |
| 5-year return | +82.4% | -95.6% |
| Volatility (ann.) | 14.5% | 99.6% |
| Beta vs S&P 500 | 1.00 | 1.89 |
| Max drawdown (3Y) | -18.8% | -93.8% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 1.01% | 0.00% |
| Expense ratio | 0.09% | – |
| Assets under management | $795.3B | – |
| Sector / category | ETF · US Large Cap | US Listed |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | SPY | YARW |
|---|---|---|
| 2022 | -18.2% | -85.3% |
| 2023 | +26.2% | -13.7% |
| 2024 | +24.9% | +43.8% |
| 2025 | +17.7% | -82.7% |
| 2026 | +13.7% | +132.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SPY and YARW good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.27 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between SPY and YARW?
Using weekly returns as of 2026-08-27: 0.27 over 3 years, with 0.13 over the last year and 0.23 over 5 years.
Is YARW a good diversifier for SPY?
Yes, to a useful degree: a correlation of 0.27 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.27 mean?
A reading of 0.27 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/spy-vs-yarw.json
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Related comparisons
Hubs: SPY correlations · YARW correlations
