ARKK vs NTRA: Correlation
Measured on weekly returns over the past three years, ARK Innovation ETF (ARKK) and Natera, Inc. (NTRA) carry a correlation of 0.49, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARKK and NTRA?
Across a 3-year window, the weekly returns of ARKK and NTRA correlate at 0.49, moderate. Recent behaviour matches the longer record: 0.55 over 1 year against 0.49 over 3. Stretching to 5 years gives 0.54, with an annualized covariance of 857.2 %².
Within ARKK's tracked universe of 122 assets, NTRA comes in at #71 by 3-year correlation. Correlation aside, the last 12 months split them widely, with NTRA ahead by 92.0 points (+15.7% versus +107.7%).
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.
ARKK vs NTRA: side by side
| ARKK (ARK Innovation ETF) | NTRA (Natera, Inc.) | |
|---|---|---|
| 1-year return | +15.7% | +107.7% |
| 5-year return | -27.7% | +182.7% |
| Volatility (ann.) | 38.8% | 45.2% |
| Beta vs S&P 500 | 2.07 | 1.27 |
| Max drawdown (3Y) | -39.6% | -39.9% |
| Market cap | – | $48.8B |
| P/E (trailing) | – | – |
| Dividend yield | – | 0.00% |
| Sector / category | ETF · Thematic | US Listed |
Year-by-year returns
| Year | ARKK | NTRA |
|---|---|---|
| 2022 | -67.0% | -57.0% |
| 2023 | +69.0% | +55.9% |
| 2024 | +8.4% | +152.7% |
| 2025 | +35.5% | +44.7% |
| 2026 | +13.6% | +47.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARKK and NTRA good diversifiers for each other?
Reasonably. At 0.49, ARKK and NTRA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ARKK and NTRA?
The ARKK/NTRA correlation stands at 0.49 on a 3-year window (1 year: 0.55, 5 years: 0.54), computed from weekly returns as of 2026-08-27.
Is NTRA a good diversifier for ARKK?
Reasonably. At 0.49, ARKK and NTRA keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.49 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/arkk-vs-ntra.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/arkk-vs-ntra/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ARKK correlations · NTRA correlations
