E&R Engineering

E&R Engineering Rule of 40

The Rule of 40 of E&R Engineering (8027.TWO) as of Nov 2, 2026 is 5.22 %. In the previous year, Rule of 40 was 3.34 % — a change of 56.18% (higher).

Rule of 40

5.22 %

YoY

56.18%

Last updated:

Rule of 40 of E&R Engineering is 2025 5.22 % . Rule of 40 of E&R Engineering was 2024 3.34 % . It decreases by 56.18% higher compared to the previous year.

The E&R Engineering Rule of 40 history

  • 3 Years

  • 10 Years

  • 25 Years

  • Max

Rule of 40
Date
Rule of 40
Jan 1, 2018
48.04 TWD
Jan 1, 2019
-35.46 TWD
Jan 1, 2020
47.48 TWD
Jan 1, 2021
36.72 TWD
Jan 1, 2022
42.65 TWD
Jan 1, 2023
-48.33 TWD
Jan 1, 2024
3.34 TWD
Jan 1, 2025
5.22 TWD
The E&R Engineering Rule of 40 history
YEARRule of 40YoY
5.22 %+56.18%
3.34 %-106.91%
-48.33 %-213.30%
42.65 %+16.17%
36.72 %-22.67%
47.48 %-233.91%
-35.46 %-173.81%
48.04 %-1,530.42%
-3.36 %-82.00%
-18.66 %-16.49%
-22.34 %—

Access this data via the Eulerpool API

100,000 free requests/mo · no credit card

Get Free API Key

E&R Engineering Stock analysis

What does E&R Engineering do? E&R Engineering Corp designs and manufactures machines and packing materials for semiconductor, SMT, IC substrate, light emitting diode, and passive component industries. Its products include laser markers, plasma cleaning machines, dispensers, molding cutting equipment, embossed carrier tapes, flexible printed circuit (FPC) equipment, and related components, as well as automation equipment. The company primarily sells these products to customers within the semiconductor industry, both domestically and internationally, focusing on applications in semiconductor manufacturing processes. The firm's product portfolio targets the semiconductor industry, with specific applications in semiconductor manufacturing, SMT, IC substrate, LED, and passive component production. E&R Engineering Corp's equipment is used in various stages of semiconductor production, including laser marking, plasma cleaning, dispensing, molding, and automation. The company distributes its products through domestic channels and overseas markets, serving both local and international clients in the semiconductor sector. E&R Engineering is one of the most popular companies on Eulerpool.

Frequently Asked Questions about E&R Engineering stock

Rule of 40 of E&R Engineering is 5.22 % in 2025.

On Eulerpool you can find the complete historical development of Rule of 40 E&R Engineering 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.

Access this data via the Eulerpool API

100,000 free requests/mo · no credit card

Get Free API Key

Quality — E&R Engineering

AAQSPiotroski F-ScoreAltman Z-ScoreGraham NumberRule of 40

All Key Metrics — E&R Engineering