FTHM vs RTB: Correlation
Fathom Holdings Inc. (FTHM) and RTB Digital, Inc. (RTB) show a moderate relationship: their 3-year correlation of weekly returns is 0.45.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FTHM and RTB?
Across a 3-year window, the weekly returns of FTHM and RTB correlate at 0.45, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.63 versus 0.45 over 3 years. Stretching to 5 years gives 0.40, with an annualized covariance of 8839.9 %².
By 3-year correlation, RTB places #5 of the 16 assets tracked against FTHM. The last year tells two different stories: RTB led by 76.8 percentage points, -61.3% for FTHM against +15.5% for RTB.
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.
FTHM vs RTB: side by side
| FTHM (Fathom Holdings Inc.) | RTB (RTB Digital, Inc.) | |
|---|---|---|
| 1-year return | -61.3% | +15.5% |
| 5-year return | -97.7% | -99.6% |
| Volatility (ann.) | 130.4% | 150.2% |
| Beta vs S&P 500 | 2.16 | 2.93 |
| Max drawdown (3Y) | -93.5% | -99.2% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FTHM | RTB |
|---|---|---|
| 2022 | -79.2% | -89.0% |
| 2023 | -15.5% | -9.6% |
| 2024 | -57.4% | -68.8% |
| 2025 | -34.0% | -87.7% |
| 2026 | -34.0% | +131.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FTHM and RTB good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between FTHM and RTB?
Using weekly returns as of 2026-08-27: 0.45 over 3 years, with 0.63 over the last year and 0.40 over 5 years.
Is RTB a good diversifier for FTHM?
Yes, to a useful degree: a correlation of 0.45 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.45 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/fthm-vs-rtb.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/fthm-vs-rtb/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: FTHM correlations · RTB correlations
