CTM vs RR: Correlation
Castellum, Inc. (CTM) and Richtech Robotics Inc. (RR) show a moderate relationship: their 3-year correlation of weekly returns is 0.53.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CTM and RR?
On 3 years of weekly data the CTM/RR correlation comes out at 0.53, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.07 versus 0.53 over 3 years. The 5-year figure is n/a, and annualized covariance runs at 11943.2 %².
Few assets follow CTM as closely as RR, which ranks #3 of 10 tracked partners. Twelve-month performance is nearly a tie, at -40.4% for CTM and -41.1% for RR.
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.
CTM vs RR: side by side
| CTM (Castellum, Inc.) | RR (Richtech Robotics Inc.) | |
|---|---|---|
| 1-year return | -40.4% | -41.1% |
| 5-year return | n/a | n/a |
| Volatility (ann.) | 150.3% | 155.1% |
| Beta vs S&P 500 | 1.19 | 2.22 |
| Max drawdown (3Y) | -79.1% | -96.7% |
| Market cap | $0.1B | $0.4B |
| P/E (trailing) | – | 27.9 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CTM | RR |
|---|---|---|
| 2023 | -76.3% | – |
| 2024 | +571.1% | -54.6% |
| 2025 | -54.9% | +19.6% |
| 2026 | -32.7% | -39.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CTM and RR good diversifiers for each other?
Only partially. A correlation of 0.53 means CTM and RR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between CTM and RR?
As of 2026-08-27, the correlation of weekly returns between CTM and RR is 0.53 over 3 years, 0.07 over 1 year and n/a over 5 years.
Is RR a good diversifier for CTM?
Only partially. A correlation of 0.53 means CTM and RR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.53 mean?
On the −1 to +1 scale, 0.53 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/ctm-vs-rr.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ctm-vs-rr/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CTM correlations · RR correlations
