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ASYS vs RAPP: Correlation

Measured on weekly returns over the past three years, Amtech Systems, Inc. (ASYS) and Rapport Therapeutics, Inc. (RAPP) carry a correlation of 0.34, a moderate link.

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

Correlation (3Y)
0.34
moderate
Correlation (1Y)
0.50
last 12 months
Correlation (5Y)
n/a
long-run
Ann. covariance
2151.2
%² · weekly, annualized

How correlated are ASYS and RAPP?

Across a 3-year window, the weekly returns of ASYS and RAPP correlate at 0.34, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.50 versus 0.34 over 3 years. Stretching to 5 years gives n/a, with an annualized covariance of 2151.2 %².

Among the 10 assets we track against ASYS, RAPP ranks #4 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months RAPP outperformed by 74.3 percentage points (+165.2% for ASYS against +239.5% for RAPP).

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.

ASYS vs RAPP: side by side

ASYS (Amtech Systems, Inc.)RAPP (Rapport Therapeutics, Inc.)
1-year return+165.2%+239.5%
5-year return+54.0%n/a
Volatility (ann.)71.9%89.6%
Beta vs S&P 5000.921.91
Max drawdown (3Y)-61.3%-75.5%
Market cap$0.3B$2.4B
P/E (trailing)56.5
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: ASYS -61.3% vs -75.5%
0%+274%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). ASYS · RAPP

Year-by-year returns

YearASYSRAPP
2022-23.1%
2023-44.7%
2024+29.8%
2025+130.3%+71.0%
2026+26.1%+67.5%

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

Are ASYS and RAPP good diversifiers for each other?

Reasonably. At 0.34, ASYS and RAPP keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between ASYS and RAPP?

As of 2026-08-27, the correlation of weekly returns between ASYS and RAPP is 0.34 over 3 years, 0.50 over 1 year and n/a over 5 years.

Is RAPP a good diversifier for ASYS?

Reasonably. At 0.34, ASYS and RAPP keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.34 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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ASYS vs RAPP: 3-year weekly correlation 0.34ASYS vs RAPP0.34

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Hubs: ASYS correlations · RAPP correlations