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AAOI vs RMT: Correlation

How closely do Applied Optoelectronics, Inc. (AAOI) and Royce Micro-Cap Trust, Inc. (RMT) trade together? Their weekly returns over three years give a correlation of 0.48, which is moderate.

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

Correlation (3Y)
0.48
moderate
Correlation (1Y)
0.32
last 12 months
Correlation (5Y)
0.41
long-run
Ann. covariance
1186.1
%² · weekly, annualized

How correlated are AAOI and RMT?

Over the past 3 years, AAOI and RMT moved with a correlation of 0.48, which is moderate. The past 12 months show a weaker link (0.32) than the 3-year average (0.48). Over 5 years the correlation is 0.41, and the annualized covariance of weekly returns is 1186.1 %².

Among the 11 assets we track against AAOI, RMT ranks #5 by 3-year correlation. Correlation aside, the last 12 months split them widely, with AAOI ahead by 322.6 points (+371.0% versus +48.4%). One caveat on sizing: AAOI is 5.8 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.

AAOI vs RMT: side by side

AAOI (Applied Optoelectronics, Inc.)RMT (Royce Micro-Cap Trust, Inc.)
1-year return+371.0%+48.4%
5-year return+1456.0%+80.1%
Volatility (ann.)119.6%20.5%
Beta vs S&P 5003.251.09
Max drawdown (3Y)-77.2%-26.4%
Market cap$9.6B$0.8B
P/E (trailing)8.5
Dividend yield0.00%5.57%
Sector / categoryUS ListedUS Listed
Higher yield: RMT 5.57% vs 0.00%Smaller drawdown: RMT -26.4% vs -77.2%Higher 5y return: AAOI +1456.0% vs +80.1%
-14%0%+694%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. AAOI · RMT

Year-by-year returns

YearAAOIRMT
2022-63.2%-16.8%
2023+922.2%+15.8%
2024+90.8%+14.0%
2025-5.4%+16.1%
2026+225.0%+39.6%

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

Are AAOI and RMT good diversifiers for each other?

Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.

FAQ

What is the correlation between AAOI and RMT?

As of 2026-08-27, the correlation of weekly returns between AAOI and RMT is 0.48 over 3 years, 0.32 over 1 year and 0.41 over 5 years.

Is RMT a good diversifier for AAOI?

Yes, to a useful degree: a correlation of 0.48 leaves real independence between the two, which historically damped combined volatility.

What does a correlation of 0.48 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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AAOI vs RMT: 3-year weekly correlation 0.48AAOI vs RMT0.48

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Hubs: AAOI correlations · RMT correlations