ARTV vs SPY: Correlation
How closely do Artiva Biotherapeutics, Inc. (ARTV) and SPDR S&P 500 ETF Trust (SPY) trade together? Their weekly returns over three years give a correlation of 0.24, which is weak.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARTV and SPY?
Over the past 3 years, ARTV and SPY moved with a correlation of 0.24, which is weak. Lately the two have moved closer together, with the 1-year correlation at 0.39 versus 0.24 over 3 years. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is 547.7 %².
Among the 19 assets we track against ARTV, SPY sits near the bottom by co-movement, at rank #16. Their recent paths diverged sharply: over the last 12 months ARTV outperformed by 244.5 percentage points (+265.1% for ARTV against +20.6% for SPY). Note the risk asymmetry: ARTV runs 10.0 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
ARTV vs SPY: side by side
| ARTV (Artiva Biotherapeutics, Inc.) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +265.1% | +20.6% |
| 5-year return | n/a | +82.4% |
| Volatility (ann.) | 145.0% | 14.5% |
| Beta vs S&P 500 | 2.62 | 1.00 |
| Max drawdown (3Y) | -90.7% | -18.8% |
| Market cap | $0.6B | – |
| 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 | ARTV | SPY |
|---|---|---|
| 2022 | – | -18.2% |
| 2023 | – | +26.2% |
| 2024 | – | +24.9% |
| 2025 | -57.4% | +17.7% |
| 2026 | +178.3% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARTV and SPY good diversifiers for each other?
Reasonably. At 0.24, ARTV and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ARTV and SPY?
The ARTV/SPY correlation stands at 0.24 on a 3-year window (1 year: 0.39, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for ARTV?
Reasonably. At 0.24, ARTV and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.24 mean?
On the −1 to +1 scale, 0.24 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: ARTV correlations · SPY correlations
