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Video: Compound Annual Growth Rate (CAGR) Definition
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 |
| Date |
Open |
High |
Low |
Close |
Volume |
| 03/02/2026 |
$4.12 |
$4.16 |
$4.06 |
$4.10 |
8.30K | | 03/03/2026 |
$4.10 |
$4.21 |
$4.10 |
$4.17 |
19.60K | | 03/04/2026 |
$4.14 |
$4.21 |
$4.13 |
$4.20 |
11.40K | | 03/05/2026 |
$4.14 |
$4.20 |
$4.06 |
$4.07 |
14.30K | | 03/06/2026 |
$4.06 |
$4.15 |
$4.06 |
$4.11 |
11.00K |
 |
| 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. | |
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Koss (KOSS) has the following price history information. Looking back at KOSS historical stock prices for the last five trading days, on March 02, 2026, KOSS opened at $4.12, traded as high as $4.16 and as low as $4.06, and closed at $4.10. Trading volume was a total of 8.30K shares. On March 03, 2026, KOSS opened at $4.10, traded as high as $4.21 and as low as $4.10, and closed at $4.17. Trading volume was a total of 19.60K shares. On March 04, 2026, KOSS opened at $4.14, traded as high as $4.21 and as low as $4.13, and closed at $4.20. Trading volume was a total of 11.40K shares. On March 05, 2026, KOSS opened at $4.14, traded as high as $4.20 and as low as $4.06, and closed at $4.07. Trading volume was a total of 14.30K shares. On March 06, 2026, KOSS opened at $4.06, traded as high as $4.15 and as low as $4.06, and closed at $4.11. Trading volume was a total of 11.00K shares.
KOSS Historical Stock Prices By Date:

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: |
03/10/2016 |
|
| End date: |
03/06/2026 |
|
| Start price/share: |
$2.21 |
|
| End price/share: |
$4.11 |
|
| Dividends collected/share: |
$0.00 |
|
| Total return: |
85.97% |
|
| Average Annual Total Return: |
6.40% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$18,589.54 |
|
| Years: |
9.99 |
|
|
 |
| Date |
Close |
| 03/02/2026 | $4.10 | | 03/03/2026 | $4.17 | | 03/04/2026 | $4.20 | | 03/05/2026 | $4.07 | | 03/06/2026 | $4.11 |
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