AMLX · Amylyx Pharmaceuticals, Inc. · Short Volume
$29.29
+0.52 (+1.79%)
At close · Oct 21
Return incl. dividend (before tax)
Market Cap
$3.28B
Shares
111.42M
Volume · Oct 21
1.63M
Avg daily vol (3M)
2.31M
Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.
Short Volume
| Date | Short Volume | Short Exempt | Total Volume | Short % |
|---|---|---|---|---|
| 2026-10-20 | 319,661 | 0 | 884,667 | 36.1% |
| 2026-10-19 | 195,884 | 0 | 561,795 | 34.9% |
| 2026-10-16 | 201,785 | 5 | 554,554 | 36.4% |
| 2026-10-15 | 188,868 | 0 | 299,982 | 63.0% |
| 2026-10-14 | 285,923 | 0 | 392,318 | 72.9% |
| 2026-10-13 | 360,276 | 0 | 493,939 | 72.9% |
| 2026-10-12 | 281,341 | 0 | 438,942 | 64.1% |
| 2026-10-09 | 317,840 | 0 | 557,899 | 57.0% |
| 2026-10-08 | 352,898 | 0 | 1,065,508 | 33.1% |
| 2026-10-07 | 388,120 | 0 | 612,588 | 63.4% |
| 2026-10-06 | 335,039 | 0 | 609,040 | 55.0% |
| 2026-10-05 | 168,869 | 295 | 380,275 | 44.4% |
| 2026-10-02 | 283,088 | 17 | 385,899 | 73.4% |
| 2026-10-01 | 349,010 | 5,103 | 624,350 | 55.9% |
| 2026-09-30 | 254,650 | 0 | 439,784 | 57.9% |
| 2026-09-29 | 203,961 | 0 | 469,555 | 43.4% |
| 2026-09-28 | 162,037 | 634 | 241,685 | 67.0% |
| 2026-09-25 | 237,309 | 0 | 485,847 | 48.8% |
| 2026-09-24 | 303,492 | 418 | 669,255 | 45.3% |
| 2026-09-23 | 258,397 | 300 | 767,120 | 33.7% |
| 2026-09-22 | 267,055 | 0 | 590,891 | 45.2% |
| 2026-09-21 | 148,868 | 10,019 | 317,407 | 46.9% |
| 2026-09-18 | 209,378 | 0 | 335,946 | 62.3% |
| 2026-09-17 | 436,960 | 725 | 672,883 | 64.9% |
| 2026-09-16 | 305,386 | 995 | 617,295 | 49.5% |
| 2026-09-15 | 488,947 | 0 | 658,720 | 74.2% |
| 2026-09-14 | 397,200 | 20,180 | 749,008 | 53.0% |
| 2026-09-11 | 288,984 | 5,254 | 774,787 | 37.3% |
| 2026-09-10 | 477,314 | 12,196 | 765,115 | 62.4% |
| 2026-09-09 | 288,917 | 10,562 | 435,209 | 66.4% |
| 2026-09-08 | 211,532 | 0 | 410,490 | 51.5% |
| 2026-09-04 | 202,819 | 0 | 299,177 | 67.8% |
| 2026-09-03 | 309,665 | 0 | 518,768 | 59.7% |
| 2026-09-02 | 445,251 | 0 | 720,569 | 61.8% |
| 2026-09-01 | 593,110 | 1,061 | 935,518 | 63.4% |
| 2026-08-31 | 407,219 | 217 | 1,045,078 | 39.0% |
| 2026-08-28 | 288,505 | 1,732 | 562,852 | 51.3% |
| 2026-08-27 | 330,680 | 2,404 | 699,340 | 47.3% |
| 2026-08-26 | 392,720 | 3,150 | 789,785 | 49.7% |
| 2026-08-25 | 481,888 | 0 | 901,543 | 53.5% |
| 2026-08-24 | 583,101 | 0 | 1,212,018 | 48.1% |
| 2026-08-21 | 850,834 | 4,474 | 1,582,868 | 53.8% |
| 2026-08-20 | 2,234,861 | 57,435 | 4,067,377 | 54.9% |
| 2026-08-19 | 2,110,970 | 42,404 | 3,996,061 | 52.8% |
| 2026-08-18 | 5,081,878 | 37,019 | 10,212,316 | 49.8% |
| 2026-08-17 | 180,154 | 0 | 305,469 | 59.0% |
| 2026-08-14 | 199,495 | 0 | 610,635 | 32.7% |
| 2026-08-13 | 168,577 | 0 | 367,689 | 45.8% |
| 2026-08-12 | 359,321 | 0 | 708,657 | 50.7% |
| 2026-08-11 | 218,602 | 0 | 302,150 | 72.3% |
Showing 1–50 of 65 days
Key facts
CIK
1658551
CUSIP
03237H101
13F (30d)
15 filings
15 filers
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