CALZF (Polynovo) GF Value Rank: 2 (As of Jul. 17, 2026) — Near 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.

CALZF Polynovo Ltd CALZF
74 GF Score
Price $0.62
GF Value $2.23
Valuation Significantly Undervalued
! 4 Warning Signs
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What is Polynovo GF Value Rank?

Polynovo CALZF 74 GF Value Rank is 2 as of Jul. 17, 2026, which is at its 10-year median of 2.00. GuruFocus rates CALZF with a GF Score™ of 74/100 and a GF Value™ of $2.23 (Significantly Undervalued). The stock has 4 warning signs investors should review.

Polynovo 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.

CALZF vs ABT, SYK, MDT: GF Value Rank Comparison

For the Medical Devices subindustry, Polynovo'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.

Polynovo GF Value Rank vs Medical Devices & Instruments Industry

For the Medical Devices & Instruments industry and Healthcare sector, Polynovo's GF Value Rank distribution charts can be found below:

* The bar in red indicates where Polynovo's GF Value Rank falls into.


CALZF
74GF Score
Polynovo Ltd CALZF
GF Value Rank is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about GF Value Rank →
What does a GF Value Rank of 2 mean?
Polynovo (CALZF) has a GF Value Rank of 2 as of Jul. 17, 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 Polynovo and its competitors. This is near median its historical median of 2.00. Over the past decade, Polynovo's GF Value Rank has ranged from 1.00 to 10.00.
Is Polynovo's GF Value Rank too high?
Polynovo's current GF Value Rank of 2 is near median its 10-year median of 2.00. Over the past 10 years, this metric has ranged from a low of 1.00 to a high of 10.00. Overall, Polynovo has a GF Score™ of 74/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Polynovo's GF Value Rank compare to ABT and SYK?
Polynovo's GF Value Rank of 2 can be compared against companies in the Medical Devices & Instruments industry. Historically, Polynovo's 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 Medical Devices & Instruments company?
A good GF Value Rank depends on the Medical Devices & Instruments 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 Polynovo and its competitors. Polynovo's current GF Value Rank is 2, which is near median its own 10-year median of 2.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Polynovo stock overvalued right now?
Based on GuruFocus' analysis, Polynovo (CALZF) is currently considered Significantly Undervalued. The stock's GF Value™ is $2.23, compared to a current price of $0.62 — trading 72.2% below its estimated fair value. The current GF Value Rank is 2, which is near median its 10-year median of 2.00. Polynovo's overall GF Score™ is 74/100 with 4 warning signs to review. 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 Polynovo (CALZF), the current GF Value Rank is 2 as of Jul. 17, 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.

Is Polynovo (CALZF) Overvalued in 2026?

Based on GuruFocus' analysis, Polynovo stock appears to be undervalued. The current stock price of $0.62 is trading 72.2% below its estimated GF Value™ of $2.23. GuruFocus considers Polynovo to be Significantly Undervalued.

Key valuation signals for CALZF:

  • GF Value Rank: 2 (near median its 10-year median of 2.00)
  • GF Value™: $2.23 vs. price of $0.62 (72.2% below fair value)
  • GF Score™: 74/100 with 4 warning signs

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

Polynovo Business Description

Other Exchanges MFJ:GermanyPNV:Australia
Address 320 Lorimer Street, Unit 2, Port Melbourne, VIC, AUS, 3207
Polynovo earns most of its revenue from US sales of its NovoSorb Biodegradable Temporizing Matrix, or NovoSorb BTM. The product is a patented biodegradable synthetic scaffold to support the regeneration of the dermis when lost through surgery, trauma, burns, or other causes of tissue loss. Once the product is applied to a wound, it takes a few weeks for the dermal layer to fully integrate within the polymer scaffold before a clinician can delaminate the outer layer. A small wound would then close either naturally or with a dressing, while a larger wound would close through a split-skin graft or alternative product such as Avita's RECELL. NovoSorb BTM then slowly degrades to harmless byproducts which are fully absorbed in roughly 18 months.
74GF Score

Get the complete analysis for CALZF

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

$0.62
Price
$2.23
GF Value