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DAIO vs SBAC: Correlation

How closely do Data I/O Corporation (DAIO) and SBA Communications (SBAC) trade together? Their weekly returns over three years give a correlation of -0.19, which is negative.

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

Correlation (3Y)
-0.19
negative
Correlation (1Y)
-0.20
last 12 months
Correlation (5Y)
-0.05
long-run
Ann. covariance
-255.4
%² · weekly, annualized

How correlated are DAIO and SBAC?

Over the past 3 years, DAIO and SBAC moved with a correlation of -0.19, which is negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.20 lands near the 3-year figure. Over 5 years the correlation is -0.05, and the annualized covariance of weekly returns is -255.4 %².

Among the 16 assets we track against DAIO, SBAC ranks #9 by 3-year correlation. On 12-month performance DAIO holds a 7.2-point edge, -0.7% against -7.9%.

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.

DAIO vs SBAC: side by side

DAIO (Data I/O Corporation)SBAC (SBA Communications)
1-year return-0.7%-7.9%
5-year return-48.4%-43.3%
Volatility (ann.)43.6%30.1%
Beta vs S&P 5000.740.42
Max drawdown (3Y)-52.9%-32.2%
Market cap$19.8B
P/E (trailing)20.0
Dividend yield0.00%2.54%
Sector / categoryUS ListedReal Estate
Higher yield: SBAC 2.54% vs 0.00%Smaller drawdown: SBAC -32.2% vs -52.9%Higher 5y return: SBAC -43.3% vs -48.4%
-29%0%+32%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. DAIO · SBAC

Year-by-year returns

YearDAIOSBAC
2022-13.9%-27.3%
2023-25.9%-8.2%
2024-5.8%-18.2%
2025+14.4%-3.1%
2026-6.0%-1.4%

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

Are DAIO and SBAC good diversifiers for each other?

Yes. With a correlation of -0.19, DAIO and SBAC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between DAIO and SBAC?

Using weekly returns as of 2026-08-27: -0.19 over 3 years, with -0.20 over the last year and -0.05 over 5 years.

Is SBAC a good diversifier for DAIO?

Yes. With a correlation of -0.19, DAIO and SBAC have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.19 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.

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DAIO vs SBAC: 3-year weekly correlation -0.19DAIO vs SBAC-0.19

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Hubs: DAIO correlations · SBAC correlations