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Alcoa AA

US equityMarket cap rank #1347
$43.49 +$1.54 (+3.67%)
Market closed · Oct 5, 10:10 pm ET · Last extended-hours $43.68 +0.44%
Open$42.27
Prev close$41.95
Day range$41.96 – $44.10
Volume5.10M
Market cap$11.48B
P/E (TTM)9.0
Dividend yield0.92%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Short interest4.54% of floatDays to cover 3.5 · as of 15 Sep 2026
Short-sale volume share19.3%5-day average of daily volume

Short-sale volume as % of daily volume

13%17%20%24%Sep '26Sep '26Oct '26

Reported short interest has risen from 3.19% to 4.54% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 11,984,650 4.5% 3.5
31 Aug 2026 12,188,128 4.6% 2.9
14 Aug 2026 10,933,734 4.1% 1.9
31 Jul 2026 9,334,029 3.5% 1.6
15 Jul 2026 8,981,785 3.4% 1.3
30 Jun 2026 8,425,769 3.2% 1.4

Discussion

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