CPHC vs CTRM: Correlation
Measured on weekly returns over the past three years, Canterbury Park Holding Corporation (CPHC) and Castor Maritime Inc. (CTRM) carry a correlation of -0.18, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CPHC and CTRM?
Over the past 3 years, CPHC and CTRM moved with a correlation of -0.18, which is negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (0.07) runs above the 3-year figure (-0.18). Over 5 years the correlation is -0.07, and the annualized covariance of weekly returns is -257.9 %².
Within CPHC's tracked universe of 13 assets, CTRM comes in at #8 by 3-year correlation. The last year tells two different stories: CTRM led by 15.4 percentage points, -3.3% for CPHC against +12.1% for CTRM. One caveat on sizing: CTRM is 1.8 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.
CPHC vs CTRM: side by side
| CPHC (Canterbury Park Holding Corporation) | CTRM (Castor Maritime Inc.) | |
|---|---|---|
| 1-year return | -3.3% | +12.1% |
| 5-year return | +6.8% | -89.2% |
| Volatility (ann.) | 28.1% | 51.7% |
| Beta vs S&P 500 | 0.10 | 0.35 |
| Max drawdown (3Y) | -48.8% | -72.3% |
| Market cap | $0.1B | – |
| P/E (trailing) | 793.5 | 0.7 |
| Dividend yield | 1.76% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CPHC | CTRM |
|---|---|---|
| 2022 | +83.8% | -21.1% |
| 2023 | -33.8% | -62.1% |
| 2024 | +1.7% | -35.3% |
| 2025 | -23.6% | -24.7% |
| 2026 | +4.0% | +15.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CPHC and CTRM good diversifiers for each other?
By historical standards, yes. A correlation of -0.18 means the two rarely move for the same reasons.
FAQ
What is the correlation between CPHC and CTRM?
The CPHC/CTRM correlation stands at -0.18 on a 3-year window (1 year: 0.07, 5 years: -0.07), computed from weekly returns as of 2026-08-27.
Is CTRM a good diversifier for CPHC?
By historical standards, yes. A correlation of -0.18 means the two rarely move for the same reasons.
What does a correlation of -0.18 mean?
On the −1 to +1 scale, -0.18 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/cphc-vs-ctrm.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cphc-vs-ctrm/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CPHC correlations · CTRM correlations
