FTNT vs S: Correlation
How closely do Fortinet (FTNT) and SentinelOne, Inc. (S) trade together? Their weekly returns over three years give a correlation of 0.47, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FTNT and S?
Over the past 3 years, FTNT and S moved with a correlation of 0.47, which is moderate. The relationship has been stable: the 1-year correlation (0.54) sits close to the 3-year figure. Over 5 years the correlation is 0.49, and the annualized covariance of weekly returns is 955.0 %².
Among the 32 assets we track against FTNT, S ranks #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with FTNT ahead by 88.7 points (+121.1% versus +32.4%).
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.
FTNT vs S: side by side
| FTNT (Fortinet) | S (SentinelOne, Inc.) | |
|---|---|---|
| 1-year return | +121.1% | +32.4% |
| 5-year return | +170.5% | -65.2% |
| Volatility (ann.) | 42.1% | 48.4% |
| Beta vs S&P 500 | 1.02 | 1.43 |
| Max drawdown (3Y) | -35.1% | -60.2% |
| Market cap | $126.8B | $7.8B |
| P/E (trailing) | 60.8 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | FTNT | S |
|---|---|---|
| 2022 | -32.0% | -71.1% |
| 2023 | +19.7% | +88.1% |
| 2024 | +61.4% | -19.1% |
| 2025 | -16.0% | -32.4% |
| 2026 | +117.6% | +51.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FTNT and S good diversifiers for each other?
A fair diversifier. At 0.47, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between FTNT and S?
As of 2026-08-27, the correlation of weekly returns between FTNT and S is 0.47 over 3 years, 0.54 over 1 year and 0.49 over 5 years.
Is S a good diversifier for FTNT?
A fair diversifier. At 0.47, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.47 mean?
On the −1 to +1 scale, 0.47 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/ftnt-vs-s.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/ftnt-vs-s/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: FTNT correlations · S correlations
