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AMST vs CODX: Correlation

Amesite Inc. (AMST) and Co-Diagnostics, Inc. (CODX) show a moderate relationship: their 3-year correlation of weekly returns is 0.56.

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

Correlation (3Y)
0.56
moderate
Correlation (1Y)
0.76
last 12 months
Correlation (5Y)
0.46
long-run
Ann. covariance
14199.4
%² · weekly, annualized

How correlated are AMST and CODX?

Across a 3-year window, the weekly returns of AMST and CODX correlate at 0.56, moderate. The link has tightened recently: the 1-year correlation (0.76) runs above the 3-year figure (0.56). Stretching to 5 years gives 0.46, with an annualized covariance of 14199.4 %².

Among the 15 assets we track against AMST, CODX ranks #4 by 3-year correlation. The last year tells two different stories: AMST led by 27.3 percentage points, -59.8% for AMST against -87.1% for CODX. One caveat on sizing: CODX is 1.6 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.

AMST vs CODX: side by side

AMST (Amesite Inc.)CODX (Co-Diagnostics, Inc.)
1-year return-59.8%-87.1%
5-year return-95.5%-99.6%
Volatility (ann.)125.5%203.9%
Beta vs S&P 5001.092.30
Max drawdown (3Y)-84.6%-97.9%
Market cap
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: AMST -84.6% vs -97.9%Higher 5y return: AMST -95.5% vs -99.6%
-87%0%+48%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. AMST · CODX

Year-by-year returns

YearAMSTCODX
2022-83.0%-71.8%
2023+7.1%-47.2%
2024+111.1%-43.6%
2025-60.2%-77.5%
2026-42.3%-75.1%

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

Are AMST and CODX good diversifiers for each other?

Only partially. A correlation of 0.56 means AMST and CODX 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 AMST and CODX?

As of 2026-08-27, the correlation of weekly returns between AMST and CODX is 0.56 over 3 years, 0.76 over 1 year and 0.46 over 5 years.

Is CODX a good diversifier for AMST?

Only partially. A correlation of 0.56 means AMST and CODX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.56 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.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/amst-vs-codx.json

AMST vs CODX: 3-year weekly correlation 0.56AMST vs CODX0.56

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[![AMST vs CODX correlation](https://www.pairbook.io/api/v1/badge/amst-vs-codx.svg)](https://www.pairbook.io/pair/amst-vs-codx/)

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Related comparisons

Hubs: AMST correlations · CODX correlations