Historical Stock Price
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Video: Compound Annual Growth Rate (CAGR) Definition
Date Open High Low Close Volume
07/06/2026 $4.03 $4.13 $3.89 $4.09 46.40K
07/07/2026 $4.09 $4.09 $3.92 $3.92 23.60K
07/08/2026 $3.89 $3.95 $3.79 $3.82 20.60K
07/09/2026 $3.80 $3.99 $3.79 $3.87 17.60K
07/10/2026 $3.88 $3.95 $3.82 $3.95 18.20K
Koss Corporation is engaged in marketing high-fidelity headphones, wireless Bluetooth speakers, computer headsets, telecommunications headsets, active noise-canceling headphones, and wireless headphones. Co. operates in the audio/video industry segment of the home entertainment and communication industry through its design, manufacture and sale of stereo headphones and related accessory products. Co.'s products are sold through U.S. distributors, international distributors, audio specialty stores, the Internet, national retailers, grocery stores, electronics retailers, and prisons under the Koss name, as well as private label.
KOSS historical stock prices picture
Koss (KOSS) has the following price history information. Looking back at KOSS historical stock prices for the last five trading days, on July 06, 2026, KOSS opened at $4.03, traded as high as $4.13 and as low as $3.89, and closed at $4.09. Trading volume was a total of 46.40K shares. On July 07, 2026, KOSS opened at $4.09, traded as high as $4.09 and as low as $3.92, and closed at $3.92. Trading volume was a total of 23.60K shares. On July 08, 2026, KOSS opened at $3.89, traded as high as $3.95 and as low as $3.79, and closed at $3.82. Trading volume was a total of 20.60K shares. On July 09, 2026, KOSS opened at $3.80, traded as high as $3.99 and as low as $3.79, and closed at $3.87. Trading volume was a total of 17.60K shares. On July 10, 2026, KOSS opened at $3.88, traded as high as $3.95 and as low as $3.82, and closed at $3.95. Trading volume was a total of 18.20K shares.

KOSS Historical Stock Prices By Date:

KOSS historical cagr picture

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

Growth of $10,000.00
Without Dividends Reinvested

Start date: 07/14/2016
End date: 07/10/2026
Start price/share: $1.97
End price/share: $3.95
Dividends collected/share: $0.00
Total return: 100.51%
Average Annual Total Return: 7.21%
Starting investment: $10,000.00
Ending investment: $20,053.37
Years: 9.99
Date Close
07/06/2026$4.09
07/07/2026$3.92
07/08/2026$3.82
07/09/2026$3.87
07/10/2026$3.95
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Also explore: KOSS shares outstanding history

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