OSUR vs SPY: Correlation
Measured on weekly returns over the past three years, OraSure Technologies, Inc. (OSUR) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.29, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OSUR and SPY?
On 3 years of weekly data the OSUR/SPY correlation comes out at 0.29, weak. Recent behaviour matches the longer record: 0.29 over 1 year against 0.29 over 3. The 5-year figure is 0.26, and annualized covariance runs at 173.3 %².
Out of 11 assets tracked against OSUR, SPY lands near the bottom at #8. Over the last 12 months SPY came out ahead by 10.1 percentage points (+10.5% against +20.6%). One caveat on sizing: OSUR is 2.8 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.
OSUR vs SPY: side by side
| OSUR (OraSure Technologies, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +10.5% | +20.6% |
| 5-year return | -66.1% | +82.4% |
| Volatility (ann.) | 40.8% | 14.5% |
| Beta vs S&P 500 | 0.83 | 1.00 |
| Max drawdown (3Y) | -74.7% | -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 | OSUR | SPY |
|---|---|---|
| 2022 | -44.5% | -18.2% |
| 2023 | +70.1% | +26.2% |
| 2024 | -56.0% | +24.9% |
| 2025 | -33.0% | +17.7% |
| 2026 | +52.5% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OSUR and SPY good diversifiers for each other?
A fair diversifier. At 0.29, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between OSUR and SPY?
Using weekly returns as of 2026-08-27: 0.29 over 3 years, with 0.29 over the last year and 0.26 over 5 years.
Is SPY a good diversifier for OSUR?
A fair diversifier. At 0.29, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.29 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.
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Related comparisons
Hubs: OSUR correlations · SPY correlations
