FATE vs XBI: Correlation
Fate Therapeutics, Inc. (FATE) and SPDR S&P Biotech ETF (XBI) show a moderate relationship: their 3-year correlation of weekly returns is 0.55.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FATE and XBI?
Across a 3-year window, the weekly returns of FATE and XBI correlate at 0.55, moderate. The link has loosened recently: the 1-year correlation (0.36) runs below the 3-year figure (0.55). Stretching to 5 years gives 0.57, with an annualized covariance of 1673.3 %².
Few assets follow FATE as closely as XBI, which ranks #2 of 21 tracked partners. The last year tells two different stories: FATE led by 39.6 percentage points, +126.8% for FATE against +87.2% for XBI. Risk is not evenly split, since FATE carries 4.0 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.
FATE vs XBI: side by side
| FATE (Fate Therapeutics, Inc.) | XBI (SPDR S&P Biotech ETF) | |
|---|---|---|
| 1-year return | +126.8% | +87.2% |
| 5-year return | -96.5% | +28.6% |
| Volatility (ann.) | 110.8% | 27.7% |
| Beta vs S&P 500 | 2.88 | 1.09 |
| Max drawdown (3Y) | -91.9% | -33.0% |
| Market cap | $0.3B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | ETF · Thematic |
Year-by-year returns
| Year | FATE | XBI |
|---|---|---|
| 2022 | -82.8% | -25.9% |
| 2023 | -62.9% | +7.6% |
| 2024 | -55.9% | +1.0% |
| 2025 | -40.6% | +35.9% |
| 2026 | +159.2% | +38.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FATE and XBI good diversifiers for each other?
Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between FATE and XBI?
The FATE/XBI correlation stands at 0.55 on a 3-year window (1 year: 0.36, 5 years: 0.57), computed from weekly returns as of 2026-08-27.
Is XBI a good diversifier for FATE?
Somewhat, no more. With 0.55 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.55 mean?
On the −1 to +1 scale, 0.55 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/fate-vs-xbi.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/fate-vs-xbi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FATE correlations · XBI correlations
