Alcoa Corporation (AA)
NYSE: AA · Real-Time Price · USD
42.85
+0.17 (0.40%)
At close: Sep 25, 2026, 4:00 PM EDT
42.90
+0.05 (0.12%)
After-hours: Sep 25, 2026, 7:34 PM EDT
Alcoa Market Cap
Alcoa has a market cap or net worth of $11.31 billion as of September 25, 2026. Its market cap has increased by 39.85% in one year.
Market Cap
11.31B
Enterprise Value
10.82B
1-Year Change
39.85%
Ranking
Category
Stock Price
$42.85
ChartMarket Cap Chart
Since November 1, 2016, Alcoa's market cap has increased from $4.21B to $11.31B, an increase of 168.87%. That is a compound annual growth rate of 10.50%.
| Date | Market Cap | % Change |
|---|---|---|
| Sep 25, 2026 | 11.31B | -17.82% |
| Dec 31, 2025 | 13.76B | 40.99% |
| Dec 31, 2024 | 9.76B | 60.85% |
| Dec 29, 2023 | 6.07B | -24.58% |
| Dec 30, 2022 | 8.05B | -27.83% |
| Dec 31, 2021 | 11.15B | 160.11% |
| Dec 31, 2020 | 4.29B | 7.37% |
| Dec 31, 2019 | 3.99B | -19.47% |
| Dec 31, 2018 | 4.96B | -50.27% |
| Dec 29, 2017 | 9.97B | 94.10% |
| Dec 30, 2016 | 5.14B | 22.09% |
| Nov 1, 2016 | 4.21B | - |
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Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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