RDCM vs TZOO: Correlation
How closely do Radcom Ltd. (RDCM) and Travelzoo (TZOO) 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 RDCM and TZOO?
Over the past 3 years, RDCM and TZOO moved with a correlation of 0.42, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.63 versus 0.42 over 3 years. Over 5 years the correlation is 0.31, and the annualized covariance of weekly returns is 1140.2 %².
TZOO is one of the assets that tracks RDCM most closely: it ranks #1 out of the 11 assets we track against RDCM. On 12-month performance RDCM holds a 11.0-point edge, -20.8% against -31.8%.
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.
RDCM vs TZOO: side by side
| RDCM (Radcom Ltd.) | TZOO (Travelzoo) | |
|---|---|---|
| 1-year return | -20.8% | -31.8% |
| 5-year return | -5.4% | -45.0% |
| Volatility (ann.) | 44.0% | 62.1% |
| Beta vs S&P 500 | 0.64 | 0.99 |
| Max drawdown (3Y) | -38.0% | -78.8% |
| Market cap | $0.2B | $0.1B |
| P/E (trailing) | 24.8 | 111.0 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | RDCM | TZOO |
|---|---|---|
| 2022 | -16.2% | -52.8% |
| 2023 | -26.3% | +114.2% |
| 2024 | +53.3% | +109.3% |
| 2025 | +5.8% | -64.3% |
| 2026 | -20.4% | -6.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are RDCM and TZOO good diversifiers for each other?
Reasonably. At 0.42, RDCM and TZOO keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between RDCM and TZOO?
As of 2026-08-27, the correlation of weekly returns between RDCM and TZOO is 0.42 over 3 years, 0.63 over 1 year and 0.31 over 5 years.
Is TZOO a good diversifier for RDCM?
Reasonably. At 0.42, RDCM and TZOO keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
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/rdcm-vs-tzoo.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rdcm-vs-tzoo/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: RDCM correlations · TZOO correlations