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 Video: Compound Annual Growth Rate (CAGR) Definition
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| Date |
Open |
High |
Low |
Close |
Volume |
| 12/01/2025 |
$2.19 |
$2.27 |
$1.92 |
$2.03 |
23.80K | | 12/02/2025 |
$2.06 |
$2.14 |
$2.04 |
$2.11 |
17.00K | | 12/03/2025 |
$2.16 |
$2.16 |
$1.97 |
$2.05 |
11.60K | | 12/04/2025 |
$2.08 |
$2.29 |
$2.08 |
$2.09 |
21.40K | | 12/05/2025 |
$2.14 |
$2.14 |
$2.07 |
$2.07 |
8.10K |
|
|
| Energy Focus, Inc. provides sustainable, energy-efficient lighting and controls systems products for the commercial, military maritime and consumer markets. Co.'s commercial products include RedCap emergency battery backup tubular LEDs (TLEDs); EnFocus powerline lighting control platform including dimming (DM) and color tuning (DCT); light-emitting diode (LED) retrofit solutions for existing luminaires, including replacement TLEDs for linear fluorescent lamps, downlights, and retrofit kits for low-bay, high-bay and office applications; and Industrial grade LED Dock lights. | |
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Energy Focus (EFOI) has the following price history information. Looking back at EFOI historical stock prices for the last five trading days, on December 01, 2025, EFOI opened at $2.19, traded as high as $2.27 and as low as $1.92, and closed at $2.03. Trading volume was a total of 23.80K shares. On December 02, 2025, EFOI opened at $2.06, traded as high as $2.14 and as low as $2.04, and closed at $2.11. Trading volume was a total of 17.00K shares. On December 03, 2025, EFOI opened at $2.16, traded as high as $2.16 and as low as $1.97, and closed at $2.05. Trading volume was a total of 11.60K shares. On December 04, 2025, EFOI opened at $2.08, traded as high as $2.29 and as low as $2.08, and closed at $2.09. Trading volume was a total of 21.40K shares. On December 05, 2025, EFOI opened at $2.14, traded as high as $2.14 and as low as $2.07, and closed at $2.07. Trading volume was a total of 8.10K shares.
EFOI Historical Stock Prices By Date:
Below, we examine the compound annual growth rate — CAGR for short — of an investment into Energy Focus shares, starting with a $10,000 purchase of EFOI, and working forward through the historical stock price information to today.
Growth of $10,000.00
Without Dividends Reinvested
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| Start date: |
12/09/2015 |
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| End date: |
12/05/2025 |
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| Start price/share: |
$452.55 |
|
| End price/share: |
$2.07 |
|
| Dividends collected/share: |
$0.00 |
|
| Total return: |
-99.54% |
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| Average Annual Total Return: |
-41.66% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$45.74 |
|
| Years: |
10.00 |
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|
|
| Date |
Close |
| 12/01/2025 | $2.03 | | 12/02/2025 | $2.11 | | 12/03/2025 | $2.05 | | 12/04/2025 | $2.09 | | 12/05/2025 | $2.07 |
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