ALEC · Alector, Inc. · Off Exchange
$1.98
-0.01 (-0.48%)
At close · Oct 6
Return incl. dividend (before tax)
Market Cap
$215.50M
Shares
111.66M
Volume · Oct 5
89.98M
Avg daily vol (3M)
2.53M
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 |
|---|---|---|---|---|
| 2026-08-31 | 709,669 | 960,021 | 1,669,690 | 27.6% |
| 2026-08-24 | 511,776 | 501,322 | 1,013,098 | 28.6% |
| 2026-08-17 | 772,187 | 5,916,819 | 6,689,006 | 61.7% |
| 2026-08-10 | 1,662,157 | 3,554,883 | 5,217,040 | 57.5% |
| 2026-08-03 | 904,536 | 2,107,114 | 3,011,650 | 37.1% |
| 2026-07-27 | 377,741 | 216,847 | 594,588 | 31.6% |
| 2026-07-20 | 468,584 | 238,055 | 706,639 | 31.7% |
| 2026-07-13 | 708,917 | 209,639 | 918,556 | 28.4% |
| 2026-07-06 | 388,484 | 323,305 | 711,789 | 25.1% |
| 2026-06-29 | 310,289 | 283,734 | 594,023 | 31.0% |
| 2026-06-22 | 658,163 | 3,712,793 | 4,370,956 | 45.4% |
| 2026-06-15 | 424,123 | 242,634 | 666,757 | 22.6% |
| 2026-06-08 | 402,832 | 367,778 | 770,610 | 34.6% |
| 2026-06-01 | 793,578 | 1,013,762 | 1,807,340 | 37.9% |
| 2026-05-25 | 564,992 | 941,261 | 1,506,253 | 46.5% |
| 2026-05-18 | 637,353 | 961,029 | 1,598,382 | 42.5% |
| 2026-05-11 | 744,550 | 677,887 | 1,422,437 | 44.8% |
| 2026-05-04 | 433,328 | 217,336 | 650,664 | 28.6% |
| 2026-04-27 | 361,381 | 454,196 | 815,577 | 34.1% |
| 2026-04-20 | 327,837 | 963,278 | 1,291,115 | 48.4% |
| 2026-04-13 | 371,877 | 353,929 | 725,806 | 33.0% |
| 2026-04-06 | 385,659 | 223,208 | 608,867 | 26.1% |
| 2026-03-30 | 546,527 | 1,701,520 | 2,248,047 | 42.0% |
| 2026-03-23 | 557,057 | 441,016 | 998,073 | 40.8% |
| 2026-03-16 | 443,735 | 824,633 | 1,268,368 | 33.8% |
| 2026-03-09 | 787,336 | 1,017,292 | 1,804,628 | 37.2% |
| 2026-03-02 | 887,741 | 737,825 | 1,625,566 | 31.5% |
| 2026-02-23 | 875,837 | 811,245 | 1,687,082 | 33.7% |
| 2026-02-16 | 381,340 | 415,023 | 796,363 | 35.6% |
| 2026-02-09 | 870,821 | 1,437,792 | 2,308,613 | 51.1% |
| 2026-02-02 | 820,552 | 1,292,112 | 2,112,664 | 40.7% |
| 2026-01-26 | 595,726 | 844,483 | 1,440,209 | 41.7% |
| 2026-01-19 | 470,844 | 727,348 | 1,198,192 | 39.1% |
| 2026-01-12 | 1,131,193 | 1,889,507 | 3,020,700 | 45.7% |
| 2026-01-05 | 1,047,581 | 1,682,319 | 2,729,900 | 42.8% |
| 2025-12-29 | 567,690 | 1,043,582 | 1,611,272 | 44.0% |
| 2025-12-22 | 740,463 | 543,563 | 1,284,026 | 39.5% |
| 2025-12-15 | 1,099,324 | 1,624,610 | 2,723,934 | 38.8% |
| 2025-12-08 | 1,451,503 | 3,504,149 | 4,955,652 | 43.3% |
| 2025-12-01 | 2,013,145 | 2,169,575 | 4,182,720 | 45.6% |
| 2025-11-24 | 962,549 | 645,360 | 1,607,909 | 39.3% |
| 2025-11-17 | 1,652,073 | 1,767,584 | 3,419,657 | 42.6% |
| 2025-11-10 | 2,501,342 | 2,173,771 | 4,675,113 | 46.7% |
| 2025-11-03 | 2,847,961 | 1,753,996 | 4,601,957 | 44.1% |
| 2025-10-27 | 3,197,098 | 9,465,354 | 12,662,452 | 59.1% |
| 2025-10-20 | 9,233,450 | 28,480,899 | 37,714,349 | 54.7% |
| 2025-10-13 | 1,086,356 | 1,709,844 | 2,796,200 | 41.9% |
| 2025-10-06 | 727,307 | 1,325,414 | 2,052,721 | 40.7% |
Showing 1–48 of 48 weeks