RBWRF (Rainbow Rare Earths) YoY EPS Growth: -187.50% (As of Dec. 2025)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

RBWRF Rainbow Rare Earths Ltd RBWRF
21 GF Score
Price $0.31
GF Value $0.21
Valuation Significantly Overvalued
! 3 Warning Signs
View Full Analysis

What is Rainbow Rare Earths YoY EPS Growth?

Rainbow Rare Earths RBWRF 21 YoY EPS Growth is -187.50% as of Dec. 2025. GuruFocus rates RBWRF with a GF Score™ of 21/100 and a GF Value™ of $0.21 (Significantly Overvalued). The stock has 3 warning signs investors should review.

YoY EPS Growth is the percentage change of Earnings per Share (Diluted) over the past twelve months. Rainbow Rare Earths's YoY EPS Growth for the quarter that ended in Dec. 2025 was -187.50%.

Rainbow Rare Earths's Earnings per Share (Diluted) for the six months ended in Dec. 2025 was $-0.01.

Rainbow Rare Earths YoY EPS Growth Historical Data

* Premium members only.

The historical data trend for Rainbow Rare Earths's YoY EPS Growth can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Rainbow Rare Earths YoY EPS Growth Chart

Rainbow Rare Earths Annual Data
Trend Jun16 Jun17 Jun18 Jun19 Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
YoY EPS Growth
Get a 7-Day Free Trial Premium Member Only Premium Member Only -3.45 -26.67 -193.42 69.96 26.87

Rainbow Rare Earths Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
YoY EPS Growth Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 11.11 78.06 -33.33 60.47 -187.50
RBWRF
21GF Score
Rainbow Rare Earths Ltd RBWRF
YoY EPS Growth is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Rainbow Rare Earths YoY EPS Growth Calculation

YoY EPS Growth is the percentage change of Earnings per Share (Diluted) over the past twelve months.

Rainbow Rare Earths's YoY EPS Growth for the fiscal year that ended in Jun. 2025 is calculated as:

YoY EPS Growth (A: Jun. 2025 )
=(Earnings per Share (Diluted) (A: Jun. 2025 )-Earnings per Share (Diluted) (A: Jun. 2024 ))/ | Earnings per Share (Diluted) (A: Jun. 2024 ) |
=(-0.0049--0.0067)/ | -0.0067 |
=26.87 %

Rainbow Rare Earths's YoY EPS Growth for the quarter that ended in Dec. 2025 is calculated as:

YoY EPS Growth (Q: Dec. 2025 )
=(Earnings per Share (Diluted) (Q: Dec. 2025 )-Earnings per Share (Diluted) (Q: Dec. 2024 )) / | Earnings per Share (Diluted) (Q: Dec. 2024 )) |
=(-0.0092--0.0032)/ | -0.0032 |
=-187.50 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about YoY EPS Growth →
What does a YoY EPS Growth of -187.50% mean?
Rainbow Rare Earths (RBWRF) has a YoY EPS Growth of -187.50% as of Dec. 2025. YoY EPS Growth is the percentage change of EPS over the past 12-month. View historical data for Rainbow Rare Earths and its competitors.
Is Rainbow Rare Earths' YoY EPS Growth too high?
Rainbow Rare Earths' current YoY EPS Growth is -187.50%. Overall, Rainbow Rare Earths has a GF Score™ of 21/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Rainbow Rare Earths' YoY EPS Growth compare to competitors?
Rainbow Rare Earths' YoY EPS Growth of -187.50% can be compared against companies in the Metals & Mining industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good YoY EPS Growth for a Metals & Mining company?
A good YoY EPS Growth depends on the Metals & Mining industry context. However, YoY EPS Growth should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high YoY EPS Growth mean?
A high YoY EPS Growth can signal that a stock is expensive relative to its fundamentals. YoY EPS Growth is the percentage change of EPS over the past 12-month. View historical data for Rainbow Rare Earths and its competitors. Rainbow Rare Earths's current YoY EPS Growth is -187.50%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rainbow Rare Earths stock overvalued right now?
Based on GuruFocus' analysis, Rainbow Rare Earths (RBWRF) is currently considered Significantly Overvalued. The stock's GF Value™ is $0.21, compared to a current price of $0.31 — trading 47.6% above its estimated fair value. The current YoY EPS Growth is -187.50%. Rainbow Rare Earths' overall GF Score™ is 21/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is YoY EPS Growth calculated?
YoY EPS Growth is calculated from a company's financial statements. For Rainbow Rare Earths (RBWRF), the current YoY EPS Growth is -187.50% as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Rainbow Rare Earths (RBWRF) Overvalued in 2026?

Based on GuruFocus' analysis, Rainbow Rare Earths stock appears to be overvalued. The current stock price of $0.31 is trading 47.6% above its estimated GF Value™ of $0.21. GuruFocus considers Rainbow Rare Earths to be Significantly Overvalued.

Key valuation signals for RBWRF:

  • YoY EPS Growth: -187.50%
  • GF Value™: $0.21 vs. price of $0.31 (47.6% above fair value)
  • GF Score™: 21/100 with 3 warning signs

No single metric tells the full story. See the RBWRF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Rainbow Rare Earths Business Description

Other Exchanges RBW:UKRR1:Germany
Address St Julian\'s Avenue, Connaught House, Saint Peter Port, GGY, GY1 1GZ
Rainbow Rare Earths Ltd is focused on the development of an independent and ethical supply chain of the rare earth elements that are driving the green energy transition. The company is advancing two projects, Phalaborwa in South Africa and Uberaba in Brazil, which are intended to produce rare earth elements for industrial, energy, and defence applications.
21GF Score

Get the complete analysis for RBWRF

YoY EPS Growth is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$0.31
Price
$0.21
GF Value