Five9, Inc. vs Plug Power Inc.
Market cap comparison over time
Five9, Inc.
$2.4B
Rank #361
Plug Power Inc.
$3.1B
Rank #359
Market Cap Over Time
Key Moments
- Five9, Inc. overtook Plug Power Inc. by 2018
- Plug Power Inc. overtook Five9, Inc. by 2019
- Five9, Inc. overtook Plug Power Inc. by 2024
- Plug Power Inc. overtook Five9, Inc. by 2025
Year-by-Year Comparison
| Year | Five9, Inc. | Plug Power Inc. | Leader |
|---|---|---|---|
| 2026 | $2.4B | $3.1B | Plug Power Inc. |
| 2025 | $1.5B | $2.7B | Plug Power Inc. |
| 2024 | $3.1B | $3.0B | Five9, Inc. |
| 2023 | $1.6B | $6.3B | Plug Power Inc. |
| 2022 | $1.6B | $3.9B | Plug Power Inc. |
| 2021 | $1.6B | $3.9B | Plug Power Inc. |
| 2020 | $1.6B | $3.9B | Plug Power Inc. |
| 2019 | $1.6B | $4.4B | Plug Power Inc. |
| 2018 | $3.3B | $1.7B | Five9, Inc. |
| 2017 | $1.9B | $3.3B | Plug Power Inc. |
| 2016 | $1.1B | $1.7B | Plug Power Inc. |
| 2015 | $666.1M | $2.9B | Plug Power Inc. |
| 2014 | $343.0M | $4.2B | Plug Power Inc. |