ASMB vs XRTX: Correlation
How closely do Assembly Biosciences, Inc. (ASMB) and XORTX Therapeutics Inc. (XRTX) trade together? Their weekly returns over three years give a correlation of 0.42, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ASMB and XRTX?
Over the past 3 years, ASMB and XRTX moved with a correlation of 0.42, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.09 versus 0.42 over 3 years. Over 5 years the correlation is 0.33, and the annualized covariance of weekly returns is 3329.0 %².
Few assets follow ASMB as closely as XRTX, which ranks #1 of 11 tracked partners. Correlation aside, the last 12 months split them widely, with ASMB ahead by 72.8 points (+34.4% versus -38.4%). One caveat on sizing: XRTX is 2.1 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
ASMB vs XRTX: side by side
| ASMB (Assembly Biosciences, Inc.) | XRTX (XORTX Therapeutics Inc.) | |
|---|---|---|
| 1-year return | +34.4% | -38.4% |
| 5-year return | -21.2% | -99.9% |
| Volatility (ann.) | 61.8% | 129.2% |
| Beta vs S&P 500 | 1.09 | 0.23 |
| Max drawdown (3Y) | -57.5% | -99.4% |
| Market cap | $0.7B | – |
| P/E (trailing) | 28.5 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ASMB | XRTX |
|---|---|---|
| 2022 | -44.2% | -60.6% |
| 2023 | -36.9% | -96.5% |
| 2024 | +60.4% | -51.1% |
| 2025 | +115.5% | -50.3% |
| 2026 | +2.3% | -13.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ASMB and XRTX good diversifiers for each other?
A fair diversifier. At 0.42, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between ASMB and XRTX?
Using weekly returns as of 2026-08-27: 0.42 over 3 years, with 0.09 over the last year and 0.33 over 5 years.
Is XRTX a good diversifier for ASMB?
A fair diversifier. At 0.42, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.42 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/asmb-vs-xrtx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/asmb-vs-xrtx/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ASMB correlations · XRTX correlations
