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 Video: Compound Annual Growth Rate (CAGR) Definition
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| Date |
Open |
High |
Low |
Close |
Volume |
| 01/13/2026 |
$79.49 |
$79.60 |
$79.45 |
$79.50 |
204.10K | | 01/14/2026 |
$79.50 |
$79.57 |
$79.45 |
$79.46 |
458.00K | | 01/15/2026 |
$79.48 |
$79.55 |
$79.44 |
$79.48 |
409.50K | | 01/16/2026 |
$79.45 |
$79.75 |
$79.40 |
$79.60 |
930.00K | | 01/20/2026 |
$79.54 |
$79.76 |
$79.50 |
$79.54 |
271.40K |
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|
| CSG Systems International, Inc. is a software-as-a-service (SaaS) platform company. Co. provides revenue management, digital monetization, customer experience, and payments solutions. It offers integrated real-time revenue management platforms leveraging public cloud, private cloud, or on-premises deployments to optimize and monetize transactions at every stage of the customer lifecycle. Its products are used in the areas of 5G/internet of things (IOT) monetization, financial services, technology, telecom, field service management, operations support systems/business support systems (OSS/BSS), journey orchestration, journey analytics, customer experience, and integrated payments. | |
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CSG Systems International (CSGS) has the following price history information. Looking back at CSGS historical stock prices for the last five trading days, on January 13, 2026, CSGS opened at $79.49, traded as high as $79.60 and as low as $79.45, and closed at $79.50. Trading volume was a total of 204.10K shares. On January 14, 2026, CSGS opened at $79.50, traded as high as $79.57 and as low as $79.45, and closed at $79.46. Trading volume was a total of 458.00K shares. On January 15, 2026, CSGS opened at $79.48, traded as high as $79.55 and as low as $79.44, and closed at $79.48. Trading volume was a total of 409.50K shares. On January 16, 2026, CSGS opened at $79.45, traded as high as $79.75 and as low as $79.40, and closed at $79.60. Trading volume was a total of 930.00K shares. On January 20, 2026, CSGS opened at $79.54, traded as high as $79.76 and as low as $79.50, and closed at $79.54. Trading volume was a total of 271.40K shares.
CSGS Historical Stock Prices By Date:
Below, we examine the compound annual growth rate — CAGR for short — of an investment into CSG Systems International shares, starting with a $10,000 purchase of CSGS, and working forward through the historical stock price information to today.
Growth of $10,000.00
With Dividends Reinvested
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| Start date: |
01/22/2016 |
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| End date: |
01/20/2026 |
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| Start price/share: |
$35.66 |
|
| End price/share: |
$79.54 |
|
| Starting shares: |
280.43 |
|
| Ending shares: |
344.00 |
|
| Dividends reinvested/share: |
$9.86 |
|
| Total return: |
173.62% |
|
| Average Annual Total Return: |
10.59% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$27,370.22 |
|
| Years: |
10.00 |
|
| |
Growth of $10,000.00
Without Dividends Reinvested
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| Start date: |
01/22/2016 |
|
| End date: |
01/20/2026 |
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| Start price/share: |
$35.66 |
|
| End price/share: |
$79.54 |
|
| Dividends collected/share: |
$9.86 |
|
| Total return: |
150.71% |
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| Average Annual Total Return: |
9.62% |
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| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$25,061.51 |
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| Years: |
10.00 |
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|
| Date |
Close |
| 01/13/2026 | $79.50 | | 01/14/2026 | $79.46 | | 01/15/2026 | $79.48 | | 01/16/2026 | $79.60 | | 01/20/2026 | $79.54 |
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