MYGN vs SPY: Correlation
Myriad Genetics, Inc. (MYGN) and SPDR S&P 500 ETF Trust (SPY) 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 MYGN and SPY?
Over the past 3 years, MYGN and SPY moved with a correlation of 0.27, which is weak. The past 12 months show a weaker link (0.07) than the 3-year average (0.27). Over 5 years the correlation is 0.36, and the annualized covariance of weekly returns is 311.6 %².
Among the 11 assets we track against MYGN, SPY ranks #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with SPY ahead by 67.0 points (-46.4% versus +20.6%). One caveat on sizing: MYGN is 5.6 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.
MYGN vs SPY: side by side
| MYGN (Myriad Genetics, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | -46.4% | +20.6% |
| 5-year return | -91.1% | +82.4% |
| Volatility (ann.) | 80.5% | 14.5% |
| Beta vs S&P 500 | 1.49 | 1.00 |
| Max drawdown (3Y) | -90.0% | -18.8% |
| Market cap | $0.3B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
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 | MYGN | SPY |
|---|---|---|
| 2022 | -47.4% | -18.2% |
| 2023 | +31.9% | +26.2% |
| 2024 | -28.4% | +24.9% |
| 2025 | -55.1% | +17.7% |
| 2026 | -48.3% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MYGN and SPY good diversifiers for each other?
A fair diversifier. At 0.27, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between MYGN and SPY?
As of 2026-08-27, the correlation of weekly returns between MYGN and SPY is 0.27 over 3 years, 0.07 over 1 year and 0.36 over 5 years.
Is SPY a good diversifier for MYGN?
A fair diversifier. At 0.27, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.27 mean?
On the −1 to +1 scale, 0.27 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.
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Related comparisons
Hubs: MYGN correlations · SPY correlations
