DDOG vs FTNT: Correlation
Datadog (DDOG) and Fortinet (FTNT) show a moderate relationship: their 3-year correlation of weekly returns is 0.51.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DDOG and FTNT?
Across a 3-year window, the weekly returns of DDOG and FTNT correlate at 0.51, moderate. The past 12 months show a tighter link (0.70) than the 3-year average (0.51). Stretching to 5 years gives 0.54, with an annualized covariance of 1182.8 %².
Within DDOG's tracked universe of 30 assets, FTNT comes in at #8 by 3-year correlation. The last year tells two different stories: FTNT led by 36.7 percentage points, +84.4% for DDOG against +121.1% for FTNT. The rolling one-year correlation moved between 0.22 and 0.71 over the past three years, a moderate range.
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 FTNT: side by side
| DDOG (Datadog) | FTNT (Fortinet) | |
|---|---|---|
| 1-year return | +84.4% | +121.1% |
| 5-year return | +77.8% | +170.5% |
| Volatility (ann.) | 54.6% | 42.1% |
| Beta vs S&P 500 | 1.37 | 1.02 |
| Max drawdown (3Y) | -48.6% | -35.1% |
| Market cap | $87.2B | $126.8B |
| P/E (trailing) | 458.4 | 60.8 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Information Technology | Information Technology |
Year-by-year returns
| Year | DDOG | FTNT |
|---|---|---|
| 2022 | -58.7% | -32.0% |
| 2023 | +65.1% | +19.7% |
| 2024 | +17.7% | +61.4% |
| 2025 | -4.8% | -16.0% |
| 2026 | +78.6% | +117.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DDOG and FTNT good diversifiers for each other?
To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between DDOG and FTNT?
As of 2026-08-27, the correlation of weekly returns between DDOG and FTNT is 0.51 over 3 years, 0.70 over 1 year and 0.54 over 5 years.
Is FTNT a good diversifier for DDOG?
To a limited degree. At 0.51 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.51 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/ddog-vs-ftnt.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ddog-vs-ftnt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: DDOG correlations · FTNT correlations
