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Video: Compound Annual Growth Rate (CAGR) Definition
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 |
| Date |
Open |
High |
Low |
Close |
Volume |
| 10/12/2026 |
$1.90 |
$1.90 |
$1.82 |
$1.83 |
1.90M | | 10/13/2026 |
$1.82 |
$1.83 |
$1.76 |
$1.77 |
2.53M | | 10/14/2026 |
$1.75 |
$1.76 |
$1.68 |
$1.70 |
4.16M | | 10/15/2026 |
$1.69 |
$1.69 |
$1.63 |
$1.67 |
4.95M | | 10/16/2026 |
$1.67 |
$1.68 |
$1.55 |
$1.57 |
3.03M |
 |
| Ballard Power Systems Inc. is engaged in the design, development, manufacture, sale and service of proton exchange membrane (PEM) fuel cell products for a variety of applications, focusing on power products for bus, truck, rail, marine, stationary and emerging market (material handling, off-road and other) applications, as well as the delivery of services, including technology solutions, after sales services and training. Co. operates in a single segment of fuel cell products and services. | |
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Ballard Power Systems (BLDP) has the following price history information. Looking back at BLDP historical stock prices for the last five trading days, on October 12, 2026, BLDP opened at $1.90, traded as high as $1.90 and as low as $1.82, and closed at $1.83. Trading volume was a total of 1.90M shares. On October 13, 2026, BLDP opened at $1.82, traded as high as $1.83 and as low as $1.76, and closed at $1.77. Trading volume was a total of 2.53M shares. On October 14, 2026, BLDP opened at $1.75, traded as high as $1.76 and as low as $1.68, and closed at $1.70. Trading volume was a total of 4.16M shares. On October 15, 2026, BLDP opened at $1.69, traded as high as $1.69 and as low as $1.63, and closed at $1.67. Trading volume was a total of 4.95M shares. On October 16, 2026, BLDP opened at $1.67, traded as high as $1.68 and as low as $1.55, and closed at $1.57. Trading volume was a total of 3.03M shares.
BLDP Historical Stock Prices By Date:

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Ballard Power Systems shares, starting with a $10,000 purchase of BLDP, and working forward through the historical stock price information to today.
Growth of $10,000.00
Without Dividends Reinvested
|
| Start date: |
10/18/2016 |
|
| End date: |
10/16/2026 |
|
| Start price/share: |
$2.20 |
|
| End price/share: |
$1.57 |
|
| Dividends collected/share: |
$0.00 |
|
| Total return: |
-28.64% |
|
| Average Annual Total Return: |
-3.32% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$7,134.55 |
|
| Years: |
10.00 |
|
|
 |
| Date |
Close |
| 10/12/2026 | $1.83 | | 10/13/2026 | $1.77 | | 10/14/2026 | $1.70 | | 10/15/2026 | $1.67 | | 10/16/2026 | $1.57 |
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