IBB vs UNCY: Correlation
iShares Biotechnology ETF (IBB) and Unicycive Therapeutics, Inc. (UNCY) show a moderate relationship: their 3-year correlation of weekly returns is 0.38.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IBB and UNCY?
Over the past 3 years, IBB and UNCY moved with a correlation of 0.38, which is moderate. The relationship has been stable: the 1-year correlation (0.37) sits close to the 3-year figure. Over 5 years the correlation is -0.02, and the annualized covariance of weekly returns is 699.0 %².
Among the 168 assets we track against IBB, UNCY ranks #152 by 3-year correlation. Correlation aside, the last 12 months split them widely, with IBB ahead by 26.6 points (+55.4% versus +28.8%). Risk is not evenly split, since UNCY carries 4.3 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.
IBB vs UNCY: side by side
| IBB (iShares Biotechnology ETF) | UNCY (Unicycive Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +55.4% | +28.8% |
| 5-year return | +26.6% | -79.6% |
| Volatility (ann.) | 20.7% | 88.4% |
| Beta vs S&P 500 | 0.81 | 1.38 |
| Max drawdown (3Y) | -24.9% | -86.8% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.22% | 0.00% |
| Expense ratio | 0.44% | – |
| Assets under management | $9.2B | – |
| Sector / category | ETF · Thematic | US Listed |
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 | IBB | UNCY |
|---|---|---|
| 2022 | -13.7% | -73.8% |
| 2023 | +3.8% | +60.7% |
| 2024 | -2.4% | -8.5% |
| 2025 | +28.0% | -27.3% |
| 2026 | +27.4% | -4.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IBB and UNCY good diversifiers for each other?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between IBB and UNCY?
The IBB/UNCY correlation stands at 0.38 on a 3-year window (1 year: 0.37, 5 years: -0.02), computed from weekly returns as of 2026-08-27.
Is UNCY a good diversifier for IBB?
A fair diversifier. At 0.38, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.38 mean?
A reading of 0.38 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ibb-vs-uncy.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ibb-vs-uncy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: IBB correlations · UNCY correlations
