DDOG vs RGR: Correlation
How closely do Datadog (DDOG) and Sturm, Ruger & Company, Inc. (RGR) trade together? Their weekly returns over three years give a correlation of -0.22, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DDOG and RGR?
Across a 3-year window, the weekly returns of DDOG and RGR correlate at -0.22, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.38) than the 3-year average (-0.22). Stretching to 5 years gives -0.06, with an annualized covariance of -349.6 %².
By 3-year correlation, RGR places #22 of the 30 assets tracked against DDOG. Correlation aside, the last 12 months split them widely, with DDOG ahead by 75.1 points (+84.4% versus +9.3%). Note the risk asymmetry: DDOG runs 1.8 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
DDOG vs RGR: side by side
| DDOG (Datadog) | RGR (Sturm, Ruger & Company, Inc.) | |
|---|---|---|
| 1-year return | +84.4% | +9.3% |
| 5-year return | +77.8% | -41.2% |
| Volatility (ann.) | 54.6% | 29.8% |
| Beta vs S&P 500 | 1.37 | 0.09 |
| Max drawdown (3Y) | -48.6% | -46.0% |
| Market cap | $87.2B | $0.6B |
| P/E (trailing) | 458.4 | 51.7 |
| Dividend yield | 0.00% | 1.15% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | DDOG | RGR |
|---|---|---|
| 2022 | -58.7% | -15.4% |
| 2023 | +65.1% | -8.0% |
| 2024 | +17.7% | -20.9% |
| 2025 | -4.8% | -6.1% |
| 2026 | +78.6% | +16.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DDOG and RGR good diversifiers for each other?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
FAQ
What is the correlation between DDOG and RGR?
Using weekly returns as of 2026-08-27: -0.22 over 3 years, with -0.38 over the last year and -0.06 over 5 years.
Is RGR a good diversifier for DDOG?
By historical standards, yes. A correlation of -0.22 means the two rarely move for the same reasons.
What does a correlation of -0.22 mean?
On the −1 to +1 scale, -0.22 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.
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Related comparisons
Hubs: DDOG correlations · RGR correlations
