PFTI (Puradyn Filter Technologies) GF Value Rank: 2 (As of Jul. 20, 2026) — 50% Below Median

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.

PFTI Puradyn Filter Technologies Inc PFTI
12 GF Score
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What is Puradyn Filter Technologies GF Value Rank?

Puradyn Filter Technologies PFTI 12 GF Value Rank is 2 as of Jul. 20, 2026, which is 50% below its 10-year median of 4.00. GuruFocus rates PFTI with a GF Score™ of 12/100.

Puradyn Filter Technologies has the GF Value Rank of 2.

GF Value Rank evaluates the exclusive GuruFocus valuation and performance of a stock, rated on a scale from 1 to 10. It is determined by the price-to-GF-Value (P/GF Value) ratio, a proprietary metric calculated based on historical multiples along with an adjustment factor based on a company's past returns and growth and future estimates of the business' performance.

GuruFocus found that for valuation, we cannot simply give stocks a better GF Value rank simply because they have a lower P/GF Value ratio. Backtesting shows that over the long term, the two worst-performing groups are the most expensive group (with the highest P/GF Value ratio) and the least expensive group (with the lowest P/GF Value ratio).

We can understand why the most expensive group underperforms. We were initially puzzled by the underperformance of the least expensive group, but we realized there is a reason why some stocks are super cheap. If they look too undervalued, it is often because the businesses behind them are poor quality. The market realized this and gave them low valuations. In a way, the market is efficient.

After multiple backtesting analyses, we granted the stocks in third-cheapest percentile the highest GF Value rank, as they have performed the best over a full market cycle. Stock performance is actually not as sensitive to valuation as it is to growth and profitability. On average, the companies in the 20%-50% valuation groups have similar performances. Therefore, we should avoid the most expensive and the least expensive stocks. We can be more tolerant of valuation.

A higher score indicates a stock with a relatively low valuation and substantial potential for outperformance. Conversely, a lower score often reflects stocks that are either highly overvalued or deeply undervalued, both of which tend to underperform.

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

Puradyn Filter Technologies GF Value Rank Related Terms

PFTI vs CSHEF, FLES, OMTK: GF Value Rank Comparison

For the Auto Parts subindustry, Puradyn Filter Technologies's GF Value Rank, along with its competitors' market caps and GF Value Rank 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.

Puradyn Filter Technologies GF Value Rank vs Vehicles & Parts Industry

For the Vehicles & Parts industry and Consumer Cyclical sector, Puradyn Filter Technologies's GF Value Rank distribution charts can be found below:

* The bar in red indicates where Puradyn Filter Technologies's GF Value Rank falls into.


PFTI
12GF Score
Puradyn Filter Technologies Inc PFTI
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Frequently Asked Questions Learn more about GF Value Rank →
What does a GF Value Rank of 2 mean?
Puradyn Filter Technologies (PFTI) has a GF Value Rank of 2 as of Jul. 20, 2026. GF Value Rank is given based on historical multiples along with past returns, growth and future estimates of the business' performance. View historical data on Puradyn Filter Technologies and its competitors. This is 50% below median its historical median of 4.00. Over the past decade, Puradyn Filter Technologies' GF Value Rank has ranged from 1.00 to 10.00.
Is Puradyn Filter Technologies' GF Value Rank too high?
Puradyn Filter Technologies' current GF Value Rank of 2 is 50% below median its 10-year median of 4.00. Over the past 10 years, this metric has ranged from a low of 1.00 to a high of 10.00. Overall, Puradyn Filter Technologies has a GF Score™ of 12/100, reflecting its overall financial health beyond just this single metric.
How does Puradyn Filter Technologies' GF Value Rank compare to CSHEF and FLES?
Puradyn Filter Technologies' GF Value Rank of 2 can be compared against companies in the Vehicles & Parts industry. Historically, Puradyn Filter Technologies' own GF Value Rank has ranged from 1.00 to 10.00 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 Value Rank for a Vehicles & Parts company?
A good GF Value Rank depends on the Vehicles & Parts industry context. However, GF Value Rank 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 Value Rank mean?
A high GF Value Rank can signal that a stock is expensive relative to its fundamentals. GF Value Rank is given based on historical multiples along with past returns, growth and future estimates of the business' performance. View historical data on Puradyn Filter Technologies and its competitors. Puradyn Filter Technologies's current GF Value Rank is 2, which is 50% below median its own 10-year median of 4.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Puradyn Filter Technologies stock overvalued right now?
Puradyn Filter Technologies (PFTI) has a current GF Value Rank of 2. The current GF Value Rank is 2, which is 50% below median its 10-year median of 4.00. Puradyn Filter Technologies' overall GF Score™ is 12/100. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is GF Value Rank calculated?
GF Value Rank is calculated from a company's financial statements. For Puradyn Filter Technologies (PFTI), the current GF Value Rank is 2 as of Jul. 20, 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.

Puradyn Filter Technologies Business Description

Address 2017 High Ridge Road, Boynton Beach, FL, USA, 33426
Puradyn Filter Technologies Inc is involved in designing manufacturing and distributing Puradyn oil filtration system. Its product is used for all combustion engines and hydraulic equipment that use lubricating oil. The filtration system primarily cleans oil by providing a second circuit of oil filtration and provides treatment to continually remove solid, liquid, and gaseous contaminants from the oil through the filtration and evaporation process. The filtration system is offered in two models namely MTS and a custom engineered hydraulic system. The company markets its product and generates revenue from across the globe.
12GF Score

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

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