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AMLX · Amylyx Pharmaceuticals, Inc. · Short Volume

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$29.29 +0.52 (+1.79%)
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 Visit website Investor relations