Historical Stock Price
ETFs Holding PTGX »    Stock Splits Calendar »
Video: Compound Annual Growth Rate (CAGR) Definition


If the video does not load after a few moments, Upgrade to the Latest Flash Player.
Date Open High Low Close Volume
06/14/2021 $40.36 $41.22 $39.07 $41.11 384.10K
06/15/2021 $38.90 $39.35 $37.69 $38.15 416.00K
06/16/2021 $39.79 $42.31 $39.50 $41.71 2.44M
06/17/2021 $41.43 $43.68 $41.27 $43.14 629.50K
06/18/2021 $43.00 $43.74 $41.49 $42.47 1.23M
Protagonist Therapeutics is a clinical-stage biopharmaceutical company that utilizes a proprietary technology platform to discover and develop peptide-based drugs. Co.'s clinical asset, PTG-300, is an injectable hepcidin mimetic in development for the potential treatment of iron overload and other blood disorders. Co. is developing PTG-300 for the treatment of ineffective erythropoiesis, chronic anemia and iron overload, with an initial focus on beta-thalassemia non-transfusion dependent and transfusion dependent patients. Co.'s other clinical assets, PTG-200 and PN-943, are orally delivered drugs in development for inflammatory bowel disease.
PTGX historical stock prices picture
Protagonist Therapeutics (PTGX) has the following price history information. Looking back at PTGX historical stock prices for the last five trading days, on June 14, 2021, PTGX opened at $40.36, traded as high as $41.22 and as low as $39.07, and closed at $41.11. Trading volume was a total of 384.10K shares. On June 15, 2021, PTGX opened at $38.90, traded as high as $39.35 and as low as $37.69, and closed at $38.15. Trading volume was a total of 416.00K shares. On June 16, 2021, PTGX opened at $39.79, traded as high as $42.31 and as low as $39.50, and closed at $41.71. Trading volume was a total of 2.44M shares. On June 17, 2021, PTGX opened at $41.43, traded as high as $43.68 and as low as $41.27, and closed at $43.14. Trading volume was a total of 629.50K shares. On June 18, 2021, PTGX opened at $43.00, traded as high as $43.74 and as low as $41.49, and closed at $42.47. Trading volume was a total of 1.23M shares.

PTGX Historical Stock Prices By Date:

PTGX historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Protagonist Therapeutics shares, starting with a $10,000 purchase of PTGX, and working forward through the historical stock price information to today.

Growth of $10,000.00
Without Dividends Reinvested

Start date: 08/12/2016
End date: 06/18/2021
Start price/share: $11.57
End price/share: $42.47
Dividends collected/share: $0.00
Total return: 267.07%
Average Annual Total Return: 30.74%
Starting investment: $10,000.00
Ending investment: $36,713.04
Years: 4.85
Date Close
06/14/2021$41.11
06/15/2021$38.15
06/16/2021$41.71
06/17/2021$43.14
06/18/2021$42.47
PTGX is categorized under the Healthcare sector; below are some other companies in the same sector:

PTI Historical Stock Prices
PTIE Historical Stock Prices
PTLA Historical Stock Prices
PTN Historical Stock Prices
PTX Historical Stock Prices
PULM Historical Stock Prices
PVCT Historical Stock Prices
PYT Historical Stock Prices
PZRX Historical Stock Prices
Q Historical Stock Prices

Also explore: PTGX shares outstanding history

PTGX Historical Stock Prices | www.HistoricalStockPrice.com | Copyright © 2013 - 2021, All Rights Reserved

Nothing in www.HistoricalStockPrice.com is intended to be investment advice, nor does it represent the opinion of, counsel from, or recommendations by BNK Invest Inc. or any of its affiliates, subsidiaries or partners. Split history database is not guaranteed to be complete or free of errors. None of the information contained herein constitutes a recommendation that any particular security, portfolio, transaction, or investment strategy is suitable for any specific person. All viewers agree that under no circumstances will BNK Invest, Inc,. its subsidiaries, partners, officers, employees, affiliates, or agents be held liable for any loss or damage caused by your reliance on information obtained. By visiting, using or viewing this site, you agree to the following Full Disclaimer & Terms of Service. Video widget and market videos powered by Market News Video. Quote and option data delayed at least 15 minutes; stock quote data powered by Ticker Technologies, and Mergent.