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Video: Compound Annual Growth Rate (CAGR) Definition
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 |
| Date |
Open |
High |
Low |
Close |
Volume |
| 08/03/2026 |
$20.68 |
$21.90 |
$19.51 |
$21.34 |
10.45M | | 08/04/2026 |
$21.85 |
$23.30 |
$21.59 |
$22.50 |
6.27M | | 08/05/2026 |
$21.92 |
$23.36 |
$21.11 |
$21.14 |
5.88M | | 08/06/2026 |
$20.50 |
$21.79 |
$19.95 |
$20.32 |
5.49M | | 08/07/2026 |
$20.60 |
$21.10 |
$18.69 |
$20.43 |
8.89M |
 |
| 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 August 03, 2026, FCEL opened at $20.68, traded as high as $21.90 and as low as $19.51, and closed at $21.34. Trading volume was a total of 10.45M shares. On August 04, 2026, FCEL opened at $21.85, traded as high as $23.30 and as low as $21.59, and closed at $22.50. Trading volume was a total of 6.27M shares. On August 05, 2026, FCEL opened at $21.92, traded as high as $23.36 and as low as $21.11, and closed at $21.14. Trading volume was a total of 5.88M shares. On August 06, 2026, FCEL opened at $20.50, traded as high as $21.79 and as low as $19.95, and closed at $20.32. Trading volume was a total of 5.49M shares. On August 07, 2026, FCEL opened at $20.60, traded as high as $21.10 and as low as $18.69, and closed at $20.43. Trading volume was a total of 8.89M 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: |
08/10/2016 |
|
| End date: |
08/07/2026 |
|
| Start price/share: |
$1,893.60 |
|
| End price/share: |
$20.43 |
|
| Dividends collected/share: |
$0.00 |
|
| Total return: |
-98.92% |
|
| Average Annual Total Return: |
-36.43% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$107.91 |
|
| Years: |
10.00 |
|
|
 |
| Date |
Close |
| 08/03/2026 | $21.34 | | 08/04/2026 | $22.50 | | 08/05/2026 | $21.14 | | 08/06/2026 | $20.32 | | 08/07/2026 | $20.43 |
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