CRDF vs XFOR: Correlation
Cardiff Oncology, Inc. (CRDF) and X4 Pharmaceuticals, Inc. (XFOR) show a moderate relationship: their 3-year correlation of weekly returns is 0.37.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CRDF and XFOR?
Across a 3-year window, the weekly returns of CRDF and XFOR correlate at 0.37, moderate. Recent behaviour matches the longer record: 0.42 over 1 year against 0.37 over 3. Stretching to 5 years gives 0.27, with an annualized covariance of 4525.4 %².
By 3-year correlation, XFOR places #6 of the 13 assets tracked against CRDF. Their recent paths diverged sharply: over the last 12 months XFOR outperformed by 54.6 percentage points (-54.6% for CRDF against +0.0% for XFOR).
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.
CRDF vs XFOR: side by side
| CRDF (Cardiff Oncology, Inc.) | XFOR (X4 Pharmaceuticals, Inc.) | |
|---|---|---|
| 1-year return | -54.6% | +0.0% |
| 5-year return | -86.7% | -97.2% |
| Volatility (ann.) | 100.0% | 121.6% |
| Beta vs S&P 500 | 1.60 | 1.66 |
| Max drawdown (3Y) | -86.3% | -96.8% |
| Market cap | $0.1B | $0.4B |
| P/E (trailing) | – | 2.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CRDF | XFOR |
|---|---|---|
| 2022 | -76.7% | -56.6% |
| 2023 | +5.7% | -15.5% |
| 2024 | +193.2% | -12.5% |
| 2025 | -35.3% | -81.8% |
| 2026 | -64.9% | +5.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CRDF and XFOR good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between CRDF and XFOR?
As of 2026-08-27, the correlation of weekly returns between CRDF and XFOR is 0.37 over 3 years, 0.42 over 1 year and 0.27 over 5 years.
Is XFOR a good diversifier for CRDF?
Yes, to a useful degree: a correlation of 0.37 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.37 mean?
A reading of 0.37 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/crdf-vs-xfor.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/crdf-vs-xfor/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: CRDF correlations · XFOR correlations
