Historical Stock Price
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Video: Compound Annual Growth Rate (CAGR) Definition
Date Open High Low Close Volume
08/12/2026 $26.84 $27.30 $26.11 $26.17 1.78M
08/13/2026 $26.00 $26.48 $25.88 $25.96 1.90M
08/14/2026 $25.73 $25.93 $25.30 $25.70 1.68M
08/17/2026 $25.90 $26.43 $25.30 $26.15 1.32M
08/18/2026 $25.88 $26.31 $25.46 $26.00 1.90M
Dyne Therapeutics Inc. is a clinical-stage muscle disease company. It is focused on advancing life-transforming therapeutics for people living with genetically driven diseases. It is utilizing its FORCE platform to overcome the limitations of muscle tissue delivery and oligonucleotide therapeutics for muscle diseases. Its FORCE platform therapeutics consist of an oligonucleotide payload that is designed to target the genetic basis of the disease. Using its FORCE platform, it is assembling a portfolio of muscle disease therapeutics, including its lead programs in myotonic dystrophy type 1 (DM1), Duchenne muscular dystrophy (DMD), and facioscapulohumeral dystrophy (FSHD).
DYN historical stock prices picture
Dyne Therapeutics (DYN) has the following price history information. Looking back at DYN historical stock prices for the last five trading days, on August 12, 2026, DYN opened at $26.84, traded as high as $27.30 and as low as $26.11, and closed at $26.17. Trading volume was a total of 1.78M shares. On August 13, 2026, DYN opened at $26.00, traded as high as $26.48 and as low as $25.88, and closed at $25.96. Trading volume was a total of 1.90M shares. On August 14, 2026, DYN opened at $25.73, traded as high as $25.93 and as low as $25.30, and closed at $25.70. Trading volume was a total of 1.68M shares. On August 17, 2026, DYN opened at $25.90, traded as high as $26.43 and as low as $25.30, and closed at $26.15. Trading volume was a total of 1.32M shares. On August 18, 2026, DYN opened at $25.88, traded as high as $26.31 and as low as $25.46, and closed at $26.00. Trading volume was a total of 1.90M shares.

DYN Historical Stock Prices By Date:

DYN historical cagr picture

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

Growth of $10,000.00
Without Dividends Reinvested

Start date: 09/17/2020
End date: 08/18/2026
Start price/share: $23.90
End price/share: $26.00
Dividends collected/share: $0.00
Total return: 8.79%
Average Annual Total Return: 1.43%
Starting investment: $10,000.00
Ending investment: $10,876.99
Years: 5.92
Date Close
08/12/2026$26.17
08/13/2026$25.96
08/14/2026$25.70
08/17/2026$26.15
08/18/2026$26.00
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