CHRS vs SPY: Correlation
Coherus Oncology, Inc. (CHRS) and SPDR S&P 500 ETF Trust (SPY) show a weak relationship: their 3-year correlation of weekly returns is 0.22.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CHRS and SPY?
Across a 3-year window, the weekly returns of CHRS and SPY correlate at 0.22, weak. The relationship has been stable: the 1-year correlation (0.24) sits close to the 3-year figure. Stretching to 5 years gives 0.25, with an annualized covariance of 332.7 %².
Out of 13 assets tracked against CHRS, SPY lands near the bottom at #9. Over the last 12 months CHRS came out ahead by 7.5 percentage points (+28.1% against +20.6%). One caveat on sizing: CHRS is 7.1 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.
CHRS vs SPY: side by side
| CHRS (Coherus Oncology, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +28.1% | +20.6% |
| 5-year return | -90.8% | +82.4% |
| Volatility (ann.) | 102.6% | 14.5% |
| Beta vs S&P 500 | 1.59 | 1.00 |
| Max drawdown (3Y) | -87.7% | -18.8% |
| Market cap | $0.2B | – |
| 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 | CHRS | SPY |
|---|---|---|
| 2022 | -50.4% | -18.2% |
| 2023 | -58.0% | +26.2% |
| 2024 | -58.6% | +24.9% |
| 2025 | +2.9% | +17.7% |
| 2026 | +2.8% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CHRS and SPY good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.22 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CHRS and SPY?
The CHRS/SPY correlation stands at 0.22 on a 3-year window (1 year: 0.24, 5 years: 0.25), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for CHRS?
Yes, to a useful degree: a correlation of 0.22 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.22 mean?
On the −1 to +1 scale, 0.22 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: CHRS correlations · SPY correlations
