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Video: Compound Annual Growth Rate (CAGR) Definition
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 |
| Date |
Open |
High |
Low |
Close |
Volume |
| 09/04/2026 |
$14.52 |
$15.09 |
$14.50 |
$14.95 |
5.86M | | 09/08/2026 |
$15.18 |
$18.08 |
$15.12 |
$17.76 |
13.93M | | 09/09/2026 |
$17.90 |
$18.33 |
$16.43 |
$16.57 |
7.68M | | 09/10/2026 |
$16.07 |
$16.34 |
$15.49 |
$15.59 |
5.80M | | 09/11/2026 |
$16.01 |
$16.55 |
$15.70 |
$15.89 |
5.42M |
 |
| FuelCell Energy, Inc. is engaged in delivering environmentally responsible distributed baseload energy platform solutions through its fuel cell technology. Co. is a global manufacturer of stationary fuel cell and electrolysis platforms that decarbonize power and produce hydrogen. Its commercial technology produces electricity, heat, hydrogen, and water while separating carbon for utilization and/or sequestration. Its product portfolio is based on two electrochemical platforms, carbonate, and solid oxide. Both platforms can support power generation and combined heat and power applications using a variety of fuels, including natural gas, renewable biogas, and hydrogen. | |
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FuelCell Energy (FCEL) has the following price history information. Looking back at FCEL historical stock prices for the last five trading days, on September 04, 2026, FCEL opened at $14.52, traded as high as $15.09 and as low as $14.50, and closed at $14.95. Trading volume was a total of 5.86M shares. On September 08, 2026, FCEL opened at $15.18, traded as high as $18.08 and as low as $15.12, and closed at $17.76. Trading volume was a total of 13.93M shares. On September 09, 2026, FCEL opened at $17.90, traded as high as $18.33 and as low as $16.43, and closed at $16.57. Trading volume was a total of 7.68M shares. On September 10, 2026, FCEL opened at $16.07, traded as high as $16.34 and as low as $15.49, and closed at $15.59. Trading volume was a total of 5.80M shares. On September 11, 2026, FCEL opened at $16.01, traded as high as $16.55 and as low as $15.70, and closed at $15.89. Trading volume was a total of 5.42M shares.
FCEL Historical Stock Prices By Date:

Below, we examine the compound annual growth rate — CAGR for short — of an investment into FuelCell Energy shares, starting with a $10,000 purchase of FCEL, and working forward through the historical stock price information to today.
Growth of $10,000.00
Without Dividends Reinvested
|
| Start date: |
09/14/2016 |
|
| End date: |
09/11/2026 |
|
| Start price/share: |
$1,814.40 |
|
| End price/share: |
$15.89 |
|
| Dividends collected/share: |
$0.00 |
|
| Total return: |
-99.12% |
|
| Average Annual Total Return: |
-37.74% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$87.63 |
|
| Years: |
10.00 |
|
|
 |
| Date |
Close |
| 09/04/2026 | $14.95 | | 09/08/2026 | $17.76 | | 09/09/2026 | $16.57 | | 09/10/2026 | $15.59 | | 09/11/2026 | $15.89 |
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