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EGHT vs RNG: Correlation

Measured on weekly returns over the past three years, 8x8 Inc (EGHT) and RingCentral, Inc. (RNG) carry a correlation of 0.50, a moderate link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.50
moderate
Correlation (1Y)
0.35
last 12 months
Correlation (5Y)
0.59
long-run
Ann. covariance
2077.1
%² · weekly, annualized

How correlated are EGHT and RNG?

On 3 years of weekly data the EGHT/RNG correlation comes out at 0.50, moderate. The link has loosened recently: the 1-year correlation (0.35) runs below the 3-year figure (0.50). The 5-year figure is 0.59, and annualized covariance runs at 2077.1 %².

Among the 15 assets we track against EGHT, RNG ranks #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with RNG ahead by 119.1 points (+5.2% versus +124.3%). One caveat on sizing: EGHT is 1.5 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.

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.

EGHT vs RNG: side by side

EGHT (8x8 Inc)RNG (RingCentral, Inc.)
1-year return+5.2%+124.3%
5-year return-91.6%-73.1%
Volatility (ann.)80.2%52.2%
Beta vs S&P 5002.071.54
Max drawdown (3Y)-59.5%-48.6%
Market cap$0.3B$5.7B
P/E (trailing)67.052.7
Dividend yield0.00%0.23%
Sector / categoryUS ListedUS Listed
Lower P/E: RNG 52.7 vs 67.0Higher yield: RNG 0.23% vs 0.00%Smaller drawdown: RNG -48.6% vs -59.5%Higher 5y return: RNG -73.1% vs -91.6%
-22%0%+116%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. EGHT · RNG

Year-by-year returns

YearEGHTRNG
2022-74.2%-81.1%
2023-12.5%-4.1%
2024-29.4%+3.1%
2025-26.2%-17.5%
2026+2.0%+138.6%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are EGHT and RNG good diversifiers for each other?

Only partially. A correlation of 0.50 means EGHT and RNG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

FAQ

What is the correlation between EGHT and RNG?

Using weekly returns as of 2026-08-27: 0.50 over 3 years, with 0.35 over the last year and 0.59 over 5 years.

Is RNG a good diversifier for EGHT?

Only partially. A correlation of 0.50 means EGHT and RNG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.50 mean?

On the −1 to +1 scale, 0.50 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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EGHT vs RNG: 3-year weekly correlation 0.50EGHT vs RNG0.50

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Hubs: EGHT correlations · RNG correlations