FIVN vs RNG: Correlation
Measured on weekly returns over the past three years, Five9, Inc. (FIVN) and RingCentral, Inc. (RNG) carry a correlation of 0.61, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FIVN and RNG?
Across a 3-year window, the weekly returns of FIVN and RNG correlate at 0.61, strong. The link has tightened recently: the 1-year correlation (0.72) runs above the 3-year figure (0.61). Stretching to 5 years gives 0.65, with an annualized covariance of 1785.8 %².
Few assets follow FIVN as closely as RNG, which ranks #3 of 23 tracked partners. Correlation aside, the last 12 months split them widely, with RNG ahead by 96.3 points (+28.0% versus +124.3%).
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.
FIVN vs RNG: side by side
| FIVN (Five9, Inc.) | RNG (RingCentral, Inc.) | |
|---|---|---|
| 1-year return | +28.0% | +124.3% |
| 5-year return | -81.3% | -73.1% |
| Volatility (ann.) | 55.7% | 52.2% |
| Beta vs S&P 500 | 1.84 | 1.54 |
| Max drawdown (3Y) | -84.1% | -48.6% |
| Market cap | $2.6B | $5.7B |
| P/E (trailing) | 46.7 | 52.7 |
| Dividend yield | 0.00% | 0.23% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FIVN | RNG |
|---|---|---|
| 2022 | -50.6% | -81.1% |
| 2023 | +16.0% | -4.1% |
| 2024 | -48.4% | +3.1% |
| 2025 | -50.7% | -17.5% |
| 2026 | +72.4% | +138.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FIVN and RNG good diversifiers for each other?
To a limited degree. At 0.61 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 FIVN and RNG?
As of 2026-08-27, the correlation of weekly returns between FIVN and RNG is 0.61 over 3 years, 0.72 over 1 year and 0.65 over 5 years.
Is RNG a good diversifier for FIVN?
To a limited degree. At 0.61 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 0.61 mean?
On the −1 to +1 scale, 0.61 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/fivn-vs-rng.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/fivn-vs-rng/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FIVN correlations · RNG correlations
