FSLY · Fastly, Inc. · Short Volume
$29.30
+4.01 (+15.86%)
At close · Oct 9
View the 10-Q filed May 6, 2026
Return incl. dividend (before tax)
Customer concentration
— top 10 customers 32% of revenue
10 customers — 32% of revenue (trailing 12 month periods ended March 31, 2026)
“Our 10 largest customers generated an aggregate of 32% of our revenue for each of the trailing 12 month periods ended March 31, 2026 and 2025.”
Key customers — 10% of revenue (trailing 12 month period ended March 31, 2026)
“Affiliated customers that are business units of a single company generated an aggregate of 10% and 9% of our revenue for the trailing 12 month periods ended March 31, 2026 and 2025, respectively.”
Market Cap
$4.67B
Shares
159.30M
Volume · Oct 9
15.18M
Avg daily vol (3M)
6.5M
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 % |
|---|---|---|---|---|
| 2026-10-09 | 4,525,212 | 10,547 | 7,190,020 | 62.9% |
| 2026-10-08 | 1,135,421 | 939 | 2,008,378 | 56.5% |
| 2026-10-07 | 606,869 | 775 | 1,065,577 | 57.0% |
| 2026-10-06 | 918,849 | 6,510 | 1,398,777 | 65.7% |
| 2026-10-05 | 601,539 | 432 | 963,605 | 62.4% |
| 2026-10-02 | 956,843 | 3,566 | 1,566,582 | 61.1% |
| 2026-10-01 | 1,101,687 | 1,331 | 1,546,659 | 71.2% |
| 2026-09-30 | 1,156,057 | 1,601 | 2,265,926 | 51.0% |
| 2026-09-29 | 943,202 | 236 | 1,701,406 | 55.4% |
| 2026-09-28 | 991,857 | 1,247 | 1,917,422 | 51.7% |
| 2026-09-25 | 2,260,090 | 227,317 | 4,096,596 | 55.2% |
| 2026-09-24 | 4,889,682 | 391,151 | 7,637,681 | 64.0% |
| 2026-09-23 | 9,637,608 | 999,941 | 14,996,956 | 64.3% |
| 2026-09-22 | 4,231,744 | 137,264 | 6,649,971 | 63.6% |
| 2026-09-21 | 2,312,912 | 1,518 | 4,762,317 | 48.6% |
| 2026-09-18 | 1,273,841 | 4,062 | 2,478,644 | 51.4% |
| 2026-09-17 | 1,365,915 | 1,727 | 2,533,280 | 53.9% |
| 2026-09-16 | 662,655 | 11,780 | 1,332,139 | 49.7% |
| 2026-09-15 | 1,512,721 | 1,720 | 2,452,021 | 61.7% |
| 2026-09-14 | 1,604,398 | 5,714 | 2,717,181 | 59.0% |
| 2026-09-11 | 1,634,422 | 4,785 | 2,645,070 | 61.8% |
| 2026-09-10 | 1,935,984 | 122 | 2,665,603 | 72.6% |
| 2026-09-09 | 3,212,563 | 8,132 | 4,778,431 | 67.2% |
| 2026-09-08 | 1,441,428 | 10,529 | 2,436,167 | 59.2% |
| 2026-09-04 | 692,308 | 3,151 | 1,044,164 | 66.3% |
| 2026-09-03 | 1,287,263 | 111 | 1,859,327 | 69.2% |
| 2026-09-02 | 823,052 | 55 | 1,437,671 | 57.2% |
| 2026-09-01 | 1,038,258 | 5 | 1,813,093 | 57.3% |
| 2026-08-31 | 1,030,069 | 3,080 | 1,418,453 | 72.6% |
| 2026-08-28 | 1,086,971 | 3,571 | 1,914,949 | 56.8% |
| 2026-08-27 | 1,182,775 | 1,262 | 1,889,113 | 62.6% |
| 2026-08-26 | 712,607 | 200 | 1,021,765 | 69.7% |
| 2026-08-25 | 1,337,010 | 4,090 | 1,698,629 | 78.7% |
| 2026-08-24 | 955,602 | 462 | 1,478,183 | 64.6% |
| 2026-08-21 | 1,219,274 | 650 | 2,093,339 | 58.2% |
| 2026-08-20 | 1,233,647 | 58,681 | 2,521,778 | 48.9% |
| 2026-08-19 | 1,405,676 | 31,217 | 2,689,830 | 52.3% |
| 2026-08-18 | 1,091,521 | 13,595 | 2,015,432 | 54.2% |
| 2026-08-17 | 1,004,868 | 678 | 1,595,026 | 63.0% |
| 2026-08-14 | 917,127 | 3,579 | 1,533,948 | 59.8% |
| 2026-08-13 | 1,164,269 | 60,299 | 1,838,436 | 63.3% |
| 2026-08-12 | 1,659,504 | 6,681 | 2,684,244 | 61.8% |
| 2026-08-11 | 1,944,628 | 9,498 | 3,218,524 | 60.4% |
| 2026-08-10 | 4,318,686 | 44,160 | 6,738,751 | 64.1% |
| 2026-08-07 | 1,758,298 | 104,974 | 3,003,646 | 58.5% |
| 2026-08-06 | 2,150,317 | 167,952 | 4,242,184 | 50.7% |
| 2026-08-05 | 3,609,392 | 10,858 | 5,502,742 | 65.6% |
| 2026-08-04 | 1,314,900 | 13 | 2,201,625 | 59.7% |
| 2026-08-03 | 1,559,473 | 1,485 | 2,680,095 | 58.2% |
| 2026-07-31 | 1,199,240 | 0 | 2,271,569 | 52.8% |
Showing 1–50 of 64 days