PTGX (Protagonist Therapeutics) 9-Day RSI: 66.58 (As of Jul. 16, 2026)

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PTGX Protagonist Therapeutics Inc PTGX
47 GF Score
Price $135.46
GF Value $65.22
Valuation Significantly Overvalued
! 8 Warning Signs
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What is Protagonist Therapeutics 9-Day RSI?

Protagonist Therapeutics PTGX +3.10% 47 9-Day RSI is 66.58 as of Jul. 16, 2026. GuruFocus rates PTGX with a GF Score™ of 47/100 and a GF Value™ of $65.22 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 1,422 Biotechnology companies, Protagonist Therapeutics ranks worse than 88.75% on this metric.

The Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements. The RSI is most typically used on a 14-day period, measured on a scale from 0 to 100. Traditionally, an asset is considered overbought or overvalued when the RSI is above 70 and oversold or undervalued when it is below 30. A shorter period RSI is more reactive to recent price changes, so it can show early signs of reversals. 9-Day RSI is sometimes used together with 14-Day RSI in a two period divergence strategy.

As of today (2026-07-16), Protagonist Therapeutics's 9-Day RSI is 66.58.

The industry rank for Protagonist Therapeutics's 9-Day RSI or its related term are showing as below:

PTGX's 9-Day RSI is ranked worse than
88.75% of 1422 companies
in the Biotechnology industry
Industry Median: 48.66 vs PTGX: 66.58

Protagonist Therapeutics  (NAS:PTGX) 9-Day RSI Explanation

The Relative Strength Index (RSI), developed by J. Welles Wilder in his book “New Concepts in Technical Trading Systems.”, is a momentum oscillator that measures the speed and change of price movements. The RSI is most typically used on a 14-day period, measured on a scale from 0 to 100.

Traditionally, an asset is considered overbought or overvalued when the RSI is above 70 and oversold or undervalued when it is below 30. A RSI surpasses the 30 level indicates a bullish sign, when it slides below 70 level, it’s a bearish sign. This level can be adjusted depending on the security’s pattern and the market’s underlying trend. In an uptrend or bullish market, the RSI might range within a higher interval, investors could set the support level higher. If a downtrend or bearish market occurs, investors may need to lower the resistance level.

RSI can also be used in trading techniques to indicate the trading signal, such as Divergences and Swing Rejections. A shorter period RSI is more reactive to recent price changes, so it can show early signs of reversals. 9-Day RSI is sometimes used together with 14-Day RSI in a two period divergence strategy.


Protagonist Therapeutics 9-Day RSI Related Terms


PTGX vs IMVT, SYRE, MIRM: 9-Day RSI Comparison

For the Biotechnology subindustry, Protagonist Therapeutics's 9-Day RSI, along with its competitors' market caps and 9-Day RSI 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 9-Day RSI vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Protagonist Therapeutics's 9-Day RSI distribution charts can be found below:

* The bar in red indicates where Protagonist Therapeutics's 9-Day RSI falls into.


PTGX
47GF Score
Protagonist Therapeutics Inc PTGX
9-Day RSI is just one metric. See GF Score™, valuation, warning signs, and more.
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Protagonist Therapeutics  (NAS:PTGX) 9-Day RSI Calculation

The formula for calculating RSI is:

RSI=100[ 100 / ( 1 + Average Gain / Average Loss )]

* Note that the formula uses a positive value for the average loss.

* 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 9-Day RSI →
What does a 9-Day RSI of 66.58 mean?
Protagonist Therapeutics (PTGX) has a 9-Day RSI of 66.58 as of Jul. 16, 2026. According to the industry distribution chart, Protagonist Therapeutics ranks #1262 out of 1422 companies in the Biotechnology industry, placing it in the top 88.7%.
Is Protagonist Therapeutics' 9-Day RSI too high?
Protagonist Therapeutics' current 9-Day RSI is 66.58. The Biotechnology industry median 9-Day RSI is 48.66. Protagonist Therapeutics' value of 66.58 is 36.8% above this industry median. Based on the distribution chart, Protagonist Therapeutics ranks #1262 out of 1422 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' 9-Day RSI compare to IMVT and SYRE?
According to the Biotechnology industry distribution chart, Protagonist Therapeutics ranks #1262 out of 1422 companies for 9-Day RSI. This places Protagonist Therapeutics in the lower half of its industry. The industry median 9-Day RSI is 48.66. Protagonist Therapeutics' value of 66.58 is 36.8% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 9-Day RSI for a Biotechnology company?
The median 9-Day RSI among Biotechnology companies is 48.66, based on 1,422 companies in the industry. Companies in the top quartile (top 25%) have a 9-Day RSI significantly above this median, while those in the bottom quartile fall well below. However, 9-Day RSI should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Protagonist Therapeutics's current 9-Day RSI of 66.58 is 36.8% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 9-Day RSI mean?
A high 9-Day RSI can signal that a stock is expensive relative to its fundamentals. For the Biotechnology industry, the median 9-Day RSI is 48.66 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Protagonist Therapeutics's current 9-Day RSI is 66.58. 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 $65.22, compared to a current price of $135.46 — trading 107.7% above its estimated fair value. The current 9-Day RSI is 66.58 and 36.8% above the Biotechnology industry median of 48.66. 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 9-Day RSI calculated?
9-Day RSI is calculated from a company's financial statements. For Protagonist Therapeutics (PTGX), the current 9-Day RSI is 66.58 as of Jul. 16, 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 $135.46 is trading 107.7% above its estimated GF Value™ of $65.22. GuruFocus considers Protagonist Therapeutics to be Significantly Overvalued.

Key valuation signals for PTGX:

  • 9-Day RSI: 66.58
  • GF Value™: $65.22 vs. price of $135.46 (107.7% above fair value)
  • GF Score™: 47/100 with 8 warning signs
  • Industry Position: 36.8% above the Biotechnology median (#1262 of 1422)

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 Business Description

Address 7707 Gateway Boulevard, Suite 140, Newark, CA, USA, 94560
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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9-Day RSI is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$135.46
Price
$65.22
GF Value