The historical rank and industry rank for Protagonist Therapeutics's Days Inventory or its related term are showing as below:
PTGX's Days Inventory is not ranked *
in the Biotechnology industry.
Industry Median: 183.23 * Ranked among companies with meaningful Days Inventory only.
Protagonist Therapeutics's Days Inventory
stayed the same
from Mar. 2025 (0.00) to Mar. 2026 (0.00).
Inventory Turnover measures how fast the company turns over its inventory within a year.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Protagonist Therapeutics's Inventory-to-Revenue for the
three
months ended in Mar. 2026 was 0.00.
Protagonist Therapeutics (NAS:PTGX) Days Inventory Explanation
Days Inventory indicates the liquidity of the inventory. Generally, a lower Days Inventory is preferred as it indicates a shorter duration to clear off the inventory. An increase of the ratio may indicate the company's sales slowed. Similar ratios related to Days Inventory are:
1. Inventory Turnover measures how fast the company turns over its inventory within a year.
Protagonist Therapeutics's Inventory Turnover for the
three
months ended in Mar. 2026 is calculated as
2. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Protagonist Therapeutics's Inventory to Revenue for the
three
months ended in Mar. 2026 is calculated as
* 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.
Be Aware
A lot of business are seasonable. It makes more sense to compare Days Inventory from the same period in the previous year instead of from the previous quarter.
Protagonist Therapeutics Days Inventory Related Terms
Protagonist Therapeutics Days Inventory Historical Data
* 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.
PTGX vs IMVT, SYRE, MIRM: Days Inventory Comparison
For the Biotechnology subindustry, Protagonist Therapeutics's Days Inventory, along with its competitors' market caps and Days Inventory 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.
Protagonist Therapeutics Days Inventory vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Protagonist Therapeutics's Days Inventory distribution charts can be found below:
* The bar in red indicates where Protagonist Therapeutics's Days Inventory falls into.
* 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.
Protagonist Therapeutics (PTGX) has a Days Inventory of 0.00 as of Mar. 2026. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Protagonist Therapeutics and its competitors. According to the industry distribution chart, Protagonist Therapeutics ranks #999999 out of 635 companies in the Biotechnology industry.
Is Protagonist Therapeutics' Days Inventory too high?
Protagonist Therapeutics' current Days Inventory is 0.00. Based on the distribution chart, Protagonist Therapeutics ranks #999999 out of 635 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, Protagonist Therapeutics has a GF Score™ of 47/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Protagonist Therapeutics' Days Inventory compare to IMVT and SYRE?
According to the Biotechnology industry distribution chart, Protagonist Therapeutics ranks #999999 out of 635 companies for Days Inventory. This places Protagonist Therapeutics in the lower half of its industry. The industry median Days Inventory is 183.23. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Days Inventory for a Biotechnology company?
The median Days Inventory among Biotechnology companies is 183.23, based on 635 companies in the industry. Companies in the top quartile (top 25%) have a Days Inventory significantly above this median, while those in the bottom quartile fall well below. However, Days Inventory 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 Days Inventory mean?
A high Days Inventory can signal that a stock is expensive relative to its fundamentals. Days inventory represents the average amount of days a company holds inventory before selling it. View historical data on Protagonist Therapeutics and its competitors. For the Biotechnology industry, the median Days Inventory is 183.23 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Protagonist Therapeutics's current Days Inventory is 0.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Protagonist Therapeutics stock overvalued right now?
Based on GuruFocus' analysis, Protagonist Therapeutics (PTGX) is currently considered Significantly Overvalued. The stock's GF Value™ is $61.70, compared to a current price of $140.85 — trading 128.3% above its estimated fair value. The current Days Inventory is 0.00. Protagonist Therapeutics' overall GF Score™ is 47/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Days Inventory calculated?
Days Inventory is calculated from a company's financial statements. For Protagonist Therapeutics (PTGX), the current Days Inventory is 0.00 as of Mar. 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 Protagonist Therapeutics (PTGX) Overvalued in 2026?
Based on GuruFocus' analysis, Protagonist Therapeutics stock appears to be overvalued.
The current stock price of $140.85 is trading 128.3% above its estimated GF Value™ of $61.70.
GuruFocus considers Protagonist Therapeutics to be Significantly Overvalued.
Key valuation signals for PTGX:
Days Inventory: 0.00
GF Value™: $61.70 vs. price of $140.85 (128.3% above fair value)
No single metric tells the full story. See the PTGX stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Protagonist Therapeutics Inc is a biopharmaceutical company engaged in the discovery and development of peptide-based therapeutics using its proprietary technology platform. The company focuses on three therapeutic areas: inflammation and immunology, hematology, and metabolic diseases. Its pipeline includes clinical-stage and preclinical candidates such as rusfertide for polycythemia vera, icotrokinra for inflammatory diseases, and other programs targeting IL-17, obesity, and iron metabolism disorders, developed through internal research and strategic collaborations.
47GF Score
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