AA
Alcoa CorpCompany with tickers: AA
CIK
1675149
CUSIP
013872106
Shares Outstanding
263,889,875
13F Activity (30d)
360 filings
352 filers
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-18 | 5,103,896 | 4,770,411 | 9,874,307 | 48.5% |
| 2026-05-11 | 5,642,852 | 6,303,076 | 11,945,928 | 54.2% |
| 2026-05-04 | 3,888,313 | 4,355,532 | 8,243,845 | 53.3% |
| 2026-04-27 | 3,216,991 | 3,566,541 | 6,783,532 | 50.6% |
| 2026-04-20 | 4,754,588 | 3,958,402 | 8,712,990 | 43.4% |
| 2026-04-13 | 6,340,296 | 5,635,107 | 11,975,403 | 50.6% |
| 2026-04-06 | 6,058,227 | 5,273,214 | 11,331,441 | 45.5% |
| 2026-03-30 | 8,120,255 | 9,006,725 | 17,126,980 | 45.2% |
| 2026-03-23 | 4,896,669 | 4,411,107 | 9,307,776 | 40.7% |
| 2026-03-16 | 7,724,196 | 6,405,452 | 14,129,648 | 40.4% |
Showing 1–10 of 10 weeks