PairBook
HomeCODX › CODX vs WFCF

CODX vs WFCF: Correlation

How closely do Co-Diagnostics, Inc. (CODX) and Where Food Comes From, Inc. (WFCF) 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)
0.57
last 12 months
Correlation (5Y)
0.39
long-run
Ann. covariance
5614.3
%² · weekly, annualized

How correlated are CODX and WFCF?

On 3 years of weekly data the CODX/WFCF correlation comes out at 0.48, moderate. Recent behaviour matches the longer record: 0.57 over 1 year against 0.48 over 3. The 5-year figure is 0.39, and annualized covariance runs at 5614.3 %².

By 3-year correlation, WFCF places #9 of the 24 assets tracked against CODX. The last year tells two different stories: WFCF led by 97.5 percentage points, -87.1% for CODX against +10.4% for WFCF. Risk is not evenly split, since CODX carries 3.6 times the volatility of the other side.

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.

CODX vs WFCF: side by side

CODX (Co-Diagnostics, Inc.)WFCF (Where Food Comes From, Inc.)
1-year return-87.1%+10.4%
5-year return-99.6%+0.4%
Volatility (ann.)203.9%57.1%
Beta vs S&P 5002.300.27
Max drawdown (3Y)-97.9%-49.1%
Market cap$0.1B
P/E (trailing)45.7
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: WFCF -49.1% vs -97.9%Higher 5y return: WFCF +0.4% vs -99.6%
-87%0%+48%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). CODX · WFCF

Year-by-year returns

YearCODXWFCF
2022-71.8%-3.7%
2023-47.2%-3.0%
2024-43.6%-2.3%
2025-77.5%-13.2%
2026-75.1%+15.3%

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

Are CODX and WFCF 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 CODX and WFCF?

As of 2026-08-27, the correlation of weekly returns between CODX and WFCF is 0.48 over 3 years, 0.57 over 1 year and 0.39 over 5 years.

Is WFCF a good diversifier for CODX?

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?

A reading of 0.48 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.

Use this data

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

CODX vs WFCF: 3-year weekly correlation 0.48CODX vs WFCF0.48

Markdown for the live badge, attribution link included:

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

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: CODX correlations · WFCF correlations