ABOS vs ARKK: Correlation
Acumen Pharmaceuticals, Inc. (ABOS) and ARK Innovation ETF (ARKK) show a moderate relationship: their 3-year correlation of weekly returns is 0.51.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ABOS and ARKK?
On 3 years of weekly data the ABOS/ARKK correlation comes out at 0.51, moderate. The relationship has been stable: the 1-year correlation (0.46) sits close to the 3-year figure. The 5-year figure is 0.37, and annualized covariance runs at 1638.0 %².
By 3-year correlation, ARKK places #5 of the 19 assets tracked against ABOS. Their recent paths diverged sharply: over the last 12 months ABOS outperformed by 102.3 percentage points (+118.0% for ABOS against +15.7% for ARKK). One caveat on sizing: ABOS is 2.1 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.
ABOS vs ARKK: side by side
| ABOS (Acumen Pharmaceuticals, Inc.) | ARKK (ARK Innovation ETF) | |
|---|---|---|
| 1-year return | +118.0% | +15.7% |
| 5-year return | -83.9% | -27.7% |
| Volatility (ann.) | 82.5% | 38.8% |
| Beta vs S&P 500 | 2.30 | 2.07 |
| Max drawdown (3Y) | -85.8% | -39.6% |
| Market cap | $0.2B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | ETF · Thematic |
Year-by-year returns
| Year | ABOS | ARKK |
|---|---|---|
| 2022 | -20.1% | -67.0% |
| 2023 | -28.9% | +69.0% |
| 2024 | -55.2% | +8.4% |
| 2025 | +22.7% | +35.5% |
| 2026 | +43.6% | +13.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ABOS and ARKK good diversifiers for each other?
Only partially. A correlation of 0.51 means ABOS and ARKK share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between ABOS and ARKK?
Using weekly returns as of 2026-08-27: 0.51 over 3 years, with 0.46 over the last year and 0.37 over 5 years.
Is ARKK a good diversifier for ABOS?
Only partially. A correlation of 0.51 means ABOS and ARKK share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.51 mean?
On the −1 to +1 scale, 0.51 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/abos-vs-arkk.json
Markdown for the live badge, attribution link included:
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Related comparisons
Hubs: ABOS correlations · ARKK correlations
