Charles & Colvard Stock

Charles & Colvard Rule of 40

Delisted·Mar 4, 2026

The Rule of 40 of Charles & Colvard (CTHR) as of Aug 24, 2026 is -80.45 %. In the previous year, Rule of 40 was -57.12 % — a change of 40.84% (lower).

Rule of 40

-80.45 %

YoY

40.84%

Last updated:

Rule of 40 of Charles & Colvard is 2026 -80.45 % . Rule of 40 of Charles & Colvard was 2025 -57.12 % . It decreases by 40.84% lower compared to the previous year.

The Charles & Colvard Rule of 40 history

  • 3 Years

  • 10 Years

  • 25 Years

  • Max

Rule of 40
Date
Rule of 40
Jan 1, 2017
-9.57 USD
Jan 1, 2018
-63.40 USD
Jan 1, 2019
153.26 USD
Jan 1, 2020
-11.02 USD
Jan 1, 2021
48.84 USD
Jan 1, 2022
16.94 USD
Jan 1, 2023
-57.12 USD
Jan 1, 2024
-80.45 USD
The Charles & Colvard Rule of 40 history
YEARRule of 40YoY
-80.45 %+40.84%
-57.12 %-437.21%
16.94 %-65.32%
48.84 %-543.08%
-11.02 %-107.19%
153.26 %-341.73%
-63.40 %+562.58%
-9.57 %-2,315.15%
0.43 %-102.21%
-19.51 %
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Charles & Colvard Stock analysis

What does Charles & Colvard do? Charles & Colvard is one of the most popular companies on Eulerpool.

Frequently Asked Questions about Charles & Colvard stock

Rule of 40 of Charles & Colvard is -80.45 % in 2026.

On Eulerpool you can find the complete historical development of Rule of 40 Charles & Colvard since 2006 – with annual values, charts, and detailed analysis.

The Rule of 40 states that a company's revenue growth rate plus profit margin should exceed 40%. It is widely used to evaluate SaaS and high-growth companies.

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Quality — Charles & Colvard

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