ACHV vs SPY: Correlation
Achieve Life Sciences, Inc. (ACHV) and SPDR S&P 500 ETF Trust (SPY) show a moderate relationship: their 3-year correlation of weekly returns is 0.37.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACHV and SPY?
On 3 years of weekly data the ACHV/SPY correlation comes out at 0.37, moderate. The link has tightened recently: the 1-year correlation (0.51) runs above the 3-year figure (0.37). The 5-year figure is 0.36, and annualized covariance runs at 434.7 %².
Among the 13 assets we track against ACHV, SPY ranks #7 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months ACHV outperformed by 153.9 percentage points (+174.5% for ACHV against +20.6% for SPY). One caveat on sizing: ACHV 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.
ACHV vs SPY: side by side
| ACHV (Achieve Life Sciences, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +174.5% | +20.6% |
| 5-year return | +3.2% | +82.4% |
| Volatility (ann.) | 81.5% | 14.5% |
| Beta vs S&P 500 | 2.08 | 1.00 |
| Max drawdown (3Y) | -66.2% | -18.8% |
| Market cap | $0.8B | – |
| 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 | ACHV | SPY |
|---|---|---|
| 2022 | -68.5% | -18.2% |
| 2023 | +68.2% | +26.2% |
| 2024 | -14.6% | +24.9% |
| 2025 | +41.2% | +17.7% |
| 2026 | +64.6% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACHV and SPY good diversifiers for each other?
Reasonably. At 0.37, ACHV and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ACHV and SPY?
The ACHV/SPY correlation stands at 0.37 on a 3-year window (1 year: 0.51, 5 years: 0.36), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for ACHV?
Reasonably. At 0.37, ACHV and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.37 mean?
On the −1 to +1 scale, 0.37 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: ACHV correlations · SPY correlations
