TMBXF (Tombstone Exploration) GF Score: 39/100 (As of Jul. 31, 2026) — Near Median

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Director of Data and Quant Analytics at GuruFocus
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Founder & CEO of GuruFocus
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TMBXF Tombstone Exploration Corp TMBXF
39 GF Score
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What is Tombstone Exploration GF Score?

Tombstone Exploration TMBXF -98.89% 39 GF Score is 39 as of Jul. 31, 2026, which is at its 10-year median of 39.00. GuruFocus rates TMBXF with a GF Score™ of 39/100.

Tombstone Exploration has the GF Score of 39, which implies that the company might have Worst future performance potential, or not enough data.

The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.

GF Score takes following five key aspects into consideration:

1. Financial Strength : 6/10
2. Profitability Rank : 1/10
3. Growth Rank : 0/10
4. GF Value Rank : 0/10
5. Momentum Rank : 8/10

Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.

Based on research and backtesting result, GuruFocus believes Tombstone Exploration might have Worst future performance potential, or not enough data.

Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.

Tombstone Exploration  (OTCPK:TMBXF) GF Score Explanation

Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:

GF Score Performance Potential and All-in-One Screener Examples (1)
91 - 100Highest outperformance potential
81 - 90Good outperformance potential
71 - 80Likely to have average performance
51 - 70Poor future performance potential
0 - 50Worst future performance potential, or not enough data

(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.

Tombstone Exploration GF Score Related Terms

TMBXF vs WNFT, NMEX, THMG: GF Score Comparison

For the Other Precious Metals & Mining subindustry, Tombstone Exploration's GF Score, along with its competitors' market caps and GF Score data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Tombstone Exploration GF Score vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Tombstone Exploration's GF Score distribution charts can be found below:

* The bar in red indicates where Tombstone Exploration's GF Score falls into.


TMBXF
39GF Score
Tombstone Exploration Corp TMBXF
GF Score is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Score →
What does a GF Score of 39 mean?
Tombstone Exploration (TMBXF) has a GF Score of 39 as of Jul. 31, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Tombstone Exploration and its competitors. This is near median its historical median of 39.00. Over the past decade, Tombstone Exploration's GF Score has ranged from 25.00 to 42.00.
Is Tombstone Exploration's GF Score too high?
Tombstone Exploration's current GF Score of 39 is near median its 10-year median of 39.00. Over the past 10 years, this metric has ranged from a low of 25.00 to a high of 42.00. Overall, Tombstone Exploration has a GF Score™ of 39/100, reflecting its overall financial health beyond just this single metric.
How does Tombstone Exploration's GF Score compare to WNFT and NMEX?
Tombstone Exploration's GF Score of 39 can be compared against companies in the Metals & Mining industry. Historically, Tombstone Exploration's own GF Score has ranged from 25.00 to 42.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Score for a Metals & Mining company?
A good GF Score depends on the Metals & Mining industry context. However, GF Score 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 GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on Tombstone Exploration and its competitors. Tombstone Exploration's current GF Score is 39, which is near median its own 10-year median of 39.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tombstone Exploration stock overvalued right now?
Tombstone Exploration (TMBXF) has a current GF Score of 39. The current GF Score is 39, which is near median its 10-year median of 39.00. Tombstone Exploration's overall GF Score™ is 39/100. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Score calculated?
GF Score is calculated from a company's financial statements. For Tombstone Exploration (TMBXF), the current GF Score is 39 as of Jul. 31, 2026. 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.

Tombstone Exploration Business Description

Address 6529 E. Friess Drive, Scottsdale, AZ, USA, 85254
Tombstone Exploration Corp is an exploration-stage mineral resource company. Its focus of operations has been to generate revenue from the production of silver and gold as well as additional base minerals such as copper, lead, and zinc. The company's objective is to produce metals and minerals below standard industry costs. It holds mineral rights to the Stardust mine located in Yuma County, Arizona. The company's projects include The Bonanza Project, The Tombstone Project, and the Stardust Project.
39GF Score

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