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Video: Compound Annual Growth Rate (CAGR) Definition
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 |
| Date |
Open |
High |
Low |
Close |
Volume |
| 09/04/2026 |
$10.70 |
$10.79 |
$10.63 |
$10.71 |
87.20K | | 09/08/2026 |
$10.70 |
$10.72 |
$10.57 |
$10.64 |
118.30K | | 09/09/2026 |
$10.65 |
$10.69 |
$10.52 |
$10.57 |
135.70K | | 09/10/2026 |
$10.57 |
$10.73 |
$10.57 |
$10.63 |
136.40K | | 09/11/2026 |
$10.68 |
$10.70 |
$10.62 |
$10.65 |
86.40K |
 |
| Spok Holdings, Inc., through its wholly owned subsidiary Spok, Inc., is engaged in healthcare communications. Co. offers a suite of unified clinical communication and collaboration solutions that include call center applications, clinical alerting and notifications, one-way and advanced two-way wireless messaging services, mobile communications, and public safety solutions. It offers its services and products to three market segments: healthcare, government, and large enterprise. Its one-way messaging consists of numeric and alphanumeric messaging services. | |
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Spok Holdings (SPOK) has the following price history information. Looking back at SPOK historical stock prices for the last five trading days, on September 04, 2026, SPOK opened at $10.70, traded as high as $10.79 and as low as $10.63, and closed at $10.71. Trading volume was a total of 87.20K shares. On September 08, 2026, SPOK opened at $10.70, traded as high as $10.72 and as low as $10.57, and closed at $10.64. Trading volume was a total of 118.30K shares. On September 09, 2026, SPOK opened at $10.65, traded as high as $10.69 and as low as $10.52, and closed at $10.57. Trading volume was a total of 135.70K shares. On September 10, 2026, SPOK opened at $10.57, traded as high as $10.73 and as low as $10.57, and closed at $10.63. Trading volume was a total of 136.40K shares. On September 11, 2026, SPOK opened at $10.68, traded as high as $10.70 and as low as $10.62, and closed at $10.65. Trading volume was a total of 86.40K shares.
SPOK Historical Stock Prices By Date:

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Spok Holdings shares, starting with a $10,000 purchase of SPOK, and working forward through the historical stock price information to today.
Growth of $10,000.00
With Dividends Reinvested
|
| Start date: |
09/14/2016 |
|
| End date: |
09/11/2026 |
|
| Start price/share: |
$17.84 |
|
| End price/share: |
$10.65 |
|
| Starting shares: |
560.54 |
|
| Ending shares: |
1,158.08 |
|
| Dividends reinvested/share: |
$8.82 |
|
| Total return: |
23.34% |
|
| Average Annual Total Return: |
2.12% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$12,333.41 |
|
| Years: |
10.00 |
|
| |
Growth of $10,000.00
Without Dividends Reinvested
|
| Start date: |
09/14/2016 |
|
| End date: |
09/11/2026 |
|
| Start price/share: |
$17.84 |
|
| End price/share: |
$10.65 |
|
| Dividends collected/share: |
$8.82 |
|
| Total return: |
9.15% |
|
| Average Annual Total Return: |
0.88% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$10,915.42 |
|
| Years: |
10.00 |
|
|
 |
| Date |
Close |
| 09/04/2026 | $10.71 | | 09/08/2026 | $10.64 | | 09/09/2026 | $10.57 | | 09/10/2026 | $10.63 | | 09/11/2026 | $10.65 |
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