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Video: Compound Annual Growth Rate (CAGR) Definition
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 |
| Date |
Open |
High |
Low |
Close |
Volume |
| 07/08/2026 |
$153.37 |
$153.37 |
$151.63 |
$151.93 |
380.20K | | 07/09/2026 |
$152.49 |
$154.49 |
$151.78 |
$154.09 |
362.70K | | 07/10/2026 |
$154.89 |
$156.74 |
$154.28 |
$155.50 |
584.90K | | 07/13/2026 |
$155.46 |
$157.47 |
$154.53 |
$155.69 |
553.20K | | 07/14/2026 |
$156.33 |
$157.05 |
$155.14 |
$155.53 |
298.90K |
 |
| Armstrong World Industries, Inc. designs, innovates, and manufactures ceiling and wall system solutions. Co. manufactures and sources products made of numerous materials, including mineral fiber, fiberglass wool, metal, wood, wood fiber, glass-reinforced-gypsum and felt. It also manufactures ceiling suspension system (grid) products. Its Mineral Fiber segment produces suspended mineral fiber and soft fiber ceiling systems. Its products offer various performance attributes, such as acoustical control, rated fire protection, and energy efficiency. Its Architectural Specialties segment produces, designs and sources ceilings, walls and facades for use in commercial settings. | |
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Armstrong World Industries (AWI) has the following price history information. Looking back at AWI historical stock prices for the last five trading days, on July 08, 2026, AWI opened at $153.37, traded as high as $153.37 and as low as $151.63, and closed at $151.93. Trading volume was a total of 380.20K shares. On July 09, 2026, AWI opened at $152.49, traded as high as $154.49 and as low as $151.78, and closed at $154.09. Trading volume was a total of 362.70K shares. On July 10, 2026, AWI opened at $154.89, traded as high as $156.74 and as low as $154.28, and closed at $155.50. Trading volume was a total of 584.90K shares. On July 13, 2026, AWI opened at $155.46, traded as high as $157.47 and as low as $154.53, and closed at $155.69. Trading volume was a total of 553.20K shares. On July 14, 2026, AWI opened at $156.33, traded as high as $157.05 and as low as $155.14, and closed at $155.53. Trading volume was a total of 298.90K shares.
AWI Historical Stock Prices By Date:

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Armstrong World Industries shares, starting with a $10,000 purchase of AWI, and working forward through the historical stock price information to today.
Growth of $10,000.00
With Dividends Reinvested
|
| Start date: |
07/18/2016 |
|
| End date: |
07/14/2026 |
|
| Start price/share: |
$38.99 |
|
| End price/share: |
$155.53 |
|
| Starting shares: |
256.48 |
|
| Ending shares: |
276.75 |
|
| Dividends reinvested/share: |
$7.65 |
|
| Total return: |
330.44% |
|
| Average Annual Total Return: |
15.72% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$43,026.58 |
|
| Years: |
9.99 |
|
| |
Growth of $10,000.00
Without Dividends Reinvested
|
| Start date: |
07/18/2016 |
|
| End date: |
07/14/2026 |
|
| Start price/share: |
$38.99 |
|
| End price/share: |
$155.53 |
|
| Dividends collected/share: |
$7.65 |
|
| Total return: |
318.52% |
|
| Average Annual Total Return: |
15.40% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$41,852.10 |
|
| Years: |
9.99 |
|
|
 |
| Date |
Close |
| 07/08/2026 | $151.93 | | 07/09/2026 | $154.09 | | 07/10/2026 | $155.50 | | 07/13/2026 | $155.69 | | 07/14/2026 | $155.53 |
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