PGEN vs XBI: Correlation
How closely do Precigen, Inc. (PGEN) and SPDR S&P Biotech ETF (XBI) trade together? Their weekly returns over three years give a correlation of 0.49, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PGEN and XBI?
On 3 years of weekly data the PGEN/XBI correlation comes out at 0.49, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.31 versus 0.49 over 3 years. The 5-year figure is 0.49, and annualized covariance runs at 1244.5 %².
Few assets follow PGEN as closely as XBI, which ranks #1 of 11 tracked partners. Their recent paths diverged sharply: over the last 12 months XBI outperformed by 30.6 percentage points (+56.6% for PGEN against +87.2% for XBI). Risk is not evenly split, since PGEN carries 3.4 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.
PGEN vs XBI: side by side
| PGEN (Precigen, Inc.) | XBI (SPDR S&P Biotech ETF) | |
|---|---|---|
| 1-year return | +56.6% | +87.2% |
| 5-year return | +20.8% | +28.6% |
| Volatility (ann.) | 92.8% | 27.7% |
| Beta vs S&P 500 | 1.77 | 1.09 |
| Max drawdown (3Y) | -64.4% | -33.0% |
| Market cap | $2.6B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | – |
| Sector / category | US Listed | ETF · Thematic |
Year-by-year returns
| Year | PGEN | XBI |
|---|---|---|
| 2022 | -59.0% | -25.9% |
| 2023 | -11.8% | +7.6% |
| 2024 | -16.4% | +1.0% |
| 2025 | +273.2% | +35.9% |
| 2026 | +72.0% | +38.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PGEN and XBI good diversifiers for each other?
Reasonably. At 0.49, PGEN and XBI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between PGEN and XBI?
The PGEN/XBI correlation stands at 0.49 on a 3-year window (1 year: 0.31, 5 years: 0.49), computed from weekly returns as of 2026-08-27.
Is XBI a good diversifier for PGEN?
Reasonably. At 0.49, PGEN and XBI 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/pgen-vs-xbi.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/pgen-vs-xbi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PGEN correlations · XBI correlations
