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Video: Compound Annual Growth Rate (CAGR) Definition
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 |
| Date |
Open |
High |
Low |
Close |
Volume |
| 02/26/2026 |
$69.43 |
$70.13 |
$69.15 |
$69.82 |
329.90K | | 02/27/2026 |
$69.61 |
$70.38 |
$69.61 |
$69.96 |
482.20K | | 03/02/2026 |
$69.25 |
$70.34 |
$69.22 |
$69.95 |
309.10K | | 03/03/2026 |
$68.34 |
$70.92 |
$68.18 |
$70.78 |
458.30K | | 03/04/2026 |
$70.76 |
$72.21 |
$69.72 |
$71.67 |
464.70K |
 |
| NorthWestern Energy Group, Inc., doing business as NorthWestern Energy, provides essential energy infrastructure and valuable services. Co. operates through two segments: electric utility operations and natural gas utility operations. The electric utility operations segment includes the generation, purchase, transmission and distribution of electricity. The natural gas utility operations segment includes the production, purchase, transmission, storage, and distribution of natural gas. It provides electricity and / or natural gas to approximately 775,300 customers in Montana, South Dakota, Nebraska, and Yellowstone National Park. | |
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NorthWestern Energy Group (NWE) has the following price history information. Looking back at NWE historical stock prices for the last five trading days, on February 26, 2026, NWE opened at $69.43, traded as high as $70.13 and as low as $69.15, and closed at $69.82. Trading volume was a total of 329.90K shares. On February 27, 2026, NWE opened at $69.61, traded as high as $70.38 and as low as $69.61, and closed at $69.96. Trading volume was a total of 482.20K shares. On March 02, 2026, NWE opened at $69.25, traded as high as $70.34 and as low as $69.22, and closed at $69.95. Trading volume was a total of 309.10K shares. On March 03, 2026, NWE opened at $68.34, traded as high as $70.92 and as low as $68.18, and closed at $70.78. Trading volume was a total of 458.30K shares. On March 04, 2026, NWE opened at $70.76, traded as high as $72.21 and as low as $69.72, and closed at $71.67. Trading volume was a total of 464.70K shares.
NWE Historical Stock Prices By Date:

Below, we examine the compound annual growth rate — CAGR for short — of an investment into NorthWestern Energy Group shares, starting with a $10,000 purchase of NWE, and working forward through the historical stock price information to today.
Growth of $10,000.00
With Dividends Reinvested
|
| Start date: |
03/08/2016 |
|
| End date: |
03/04/2026 |
|
| Start price/share: |
$61.29 |
|
| End price/share: |
$71.67 |
|
| Starting shares: |
163.16 |
|
| Ending shares: |
246.01 |
|
| Dividends reinvested/share: |
$23.80 |
|
| Total return: |
76.31% |
|
| Average Annual Total Return: |
5.84% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$17,634.50 |
|
| Years: |
9.99 |
|
| |
Growth of $10,000.00
Without Dividends Reinvested
|
| Start date: |
03/08/2016 |
|
| End date: |
03/04/2026 |
|
| Start price/share: |
$61.29 |
|
| End price/share: |
$71.67 |
|
| Dividends collected/share: |
$23.80 |
|
| Total return: |
55.77% |
|
| Average Annual Total Return: |
4.53% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$15,570.55 |
|
| Years: |
9.99 |
|
|
 |
| Date |
Close |
| 02/26/2026 | $69.82 | | 02/27/2026 | $69.96 | | 03/02/2026 | $69.95 | | 03/03/2026 | $70.78 | | 03/04/2026 | $71.67 |
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