EDIT vs IBB: Correlation
Measured on weekly returns over the past three years, Editas Medicine, Inc. (EDIT) and iShares Biotechnology ETF (IBB) carry a correlation of 0.58, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EDIT and IBB?
Across a 3-year window, the weekly returns of EDIT and IBB correlate at 0.58, moderate. The relationship has been stable: the 1-year correlation (0.55) sits close to the 3-year figure. Stretching to 5 years gives 0.60, with an annualized covariance of 1045.4 %².
By 3-year correlation, IBB places #5 of the 22 assets tracked against EDIT. Their recent paths diverged sharply: over the last 12 months IBB outperformed by 31.8 percentage points (+23.6% for EDIT against +55.4% for IBB). Risk is not evenly split, since EDIT carries 4.2 times the volatility of the other side.
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.
EDIT vs IBB: side by side
| EDIT (Editas Medicine, Inc.) | IBB (iShares Biotechnology ETF) | |
|---|---|---|
| 1-year return | +23.6% | +55.4% |
| 5-year return | -94.7% | +26.6% |
| Volatility (ann.) | 86.8% | 20.7% |
| Beta vs S&P 500 | 2.56 | 0.81 |
| Max drawdown (3Y) | -91.2% | -24.9% |
| Market cap | $0.5B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.22% |
| Expense ratio | – | 0.44% |
| Assets under management | – | $9.2B |
| Sector / category | US Listed | ETF · Thematic |
IBB, iShares's Health fund, carries $9.2B under management, 235 holdings, a 0.44% expense ratio, a 0.22% trailing dividend yield.
Year-by-year returns
| Year | EDIT | IBB |
|---|---|---|
| 2022 | -66.6% | -13.7% |
| 2023 | +14.2% | +3.8% |
| 2024 | -87.5% | -2.4% |
| 2025 | +61.4% | +28.0% |
| 2026 | +61.0% | +27.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EDIT and IBB good diversifiers for each other?
Somewhat, no more. With 0.58 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between EDIT and IBB?
The EDIT/IBB correlation stands at 0.58 on a 3-year window (1 year: 0.55, 5 years: 0.60), computed from weekly returns as of 2026-08-27.
Is IBB a good diversifier for EDIT?
Somewhat, no more. With 0.58 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.58 mean?
On the −1 to +1 scale, 0.58 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/edit-vs-ibb.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/edit-vs-ibb/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: EDIT correlations · IBB correlations
