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Video: Compound Annual Growth Rate (CAGR) Definition


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Date Open High Low Close Volume
04/12/2024 $1.68 $1.79 $1.44 $1.44 10.00K
04/15/2024 $1.36 $1.44 $1.35 $1.40 1.90K
04/16/2024 $1.35 $1.42 $1.34 $1.35 2.20K
04/17/2024 $1.34 $1.36 $1.15 $1.35 1.30K
04/18/2024 $1.47 $1.56 $1.37 $1.37 5.80K
Protagenic Therapeutic is a development stage biopharmaceutical company focusing on the discovery and development of therapeutics to treat stress-related neuropsychiatric and mood disorders. Co.'s proprietary compound, PT00114, is a synthetic form of Teneurin Carboxy-terminal Associated Peptide (TCAP), an endogenous brain signaling peptide that can dampen overactive stress responses. Additionally, Co. is engaged in the research and development of follow-on compounds in the TCAP family. Co. is performing clinical trials to obtain Food and Drug Administration approval and commercialization of its product.
PTIX historical stock prices picture
Protagenic Therapeutics (PTIX) has the following price history information. Looking back at PTIX historical stock prices for the last five trading days, on April 12, 2024, PTIX opened at $1.68, traded as high as $1.79 and as low as $1.44, and closed at $1.44. Trading volume was a total of 10.00K shares. On April 15, 2024, PTIX opened at $1.36, traded as high as $1.44 and as low as $1.35, and closed at $1.40. Trading volume was a total of 1.90K shares. On April 16, 2024, PTIX opened at $1.35, traded as high as $1.42 and as low as $1.34, and closed at $1.35. Trading volume was a total of 2.20K shares. On April 17, 2024, PTIX opened at $1.34, traded as high as $1.36 and as low as $1.15, and closed at $1.35. Trading volume was a total of 1.30K shares. On April 18, 2024, PTIX opened at $1.47, traded as high as $1.56 and as low as $1.37, and closed at $1.37. Trading volume was a total of 5.80K shares.

PTIX Historical Stock Prices By Date:

PTIX historical cagr picture

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

Growth of $10,000.00
Without Dividends Reinvested

Start date: 04/28/2021
End date: 04/18/2024
Start price/share: $8.96
End price/share: $1.37
Dividends collected/share: $0.00
Total return: -84.71%
Average Annual Total Return: -46.80%
Starting investment: $10,000.00
Ending investment: $1,529.30
Years: 2.98
Date Close
04/12/2024$1.44
04/15/2024$1.40
04/16/2024$1.35
04/17/2024$1.35
04/18/2024$1.37
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