FSLY short interest
Fastly Inc. · Technology · Software - Application · settlement date 2026-09-30
| Shares short | 21,187,254 |
|---|---|
| Change vs prior report | -377,900 (-1.8%) |
| Change over six months | +15.4% |
| Days to cover | 2.06 (sector: 2.83) |
| Average daily volume | 10,267,439 |
| Rank in Technology | #496 of 719 by days to cover |
FSLY short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 21,187,254 | -1.8% | 2.06 | 10,267,439 |
| 2026-09-15 | 21,565,154 | +6.7% | 3.95 | 5,463,696 |
| 2026-08-31 | 20,213,781 | -5.7% | 4.36 | 4,635,739 |
| 2026-08-14 | 21,437,861 | -5.1% | 2.61 | 8,222,414 |
| 2026-07-31 | 22,594,904 | -11.5% | 4.48 | 5,042,068 |
| 2026-07-15 | 25,531,692 | +0.7% | 6.36 | 4,015,896 |
| 2026-06-30 | 25,354,952 | +35.8% | 4.41 | 5,750,150 |
| 2026-06-15 | 18,671,252 | -5.1% | 2.38 | 7,837,198 |
| 2026-05-29 | 19,665,563 | -7.5% | 3.24 | 6,067,221 |
| 2026-05-15 | 21,261,305 | +12.2% | 1.48 | 14,402,135 |
| 2026-04-30 | 18,942,162 | -3.4% | 2.27 | 8,348,283 |
| 2026-04-15 | 19,606,464 | +6.8% | 1.15 | 17,043,768 |
| 2026-03-31 | 18,354,032 | +2.9% | 1.46 | 12,567,119 |
| 2026-03-13 | 17,844,166 | +11.2% | 1.38 | 12,886,409 |
| 2026-02-27 | 16,042,418 | -6.1% | 1.09 | 14,699,737 |
| 2026-02-13 | 17,089,599 | +22.9% | 1.00 | 21,158,985 |
| 2026-01-30 | 13,901,854 | -4.5% | 3.87 | 3,592,684 |
| 2026-01-15 | 14,553,610 | +14.5% | 4.53 | 3,214,062 |
| 2025-12-31 | 12,710,597 | +1.5% | 5.09 | 2,498,902 |
| 2025-12-15 | 12,519,104 | +32.5% | 1.88 | 6,661,692 |
| 2025-11-28 | 9,445,148 | -5.4% | 2.34 | 4,039,379 |
| 2025-11-14 | 9,984,826 | -6.5% | 1.50 | 6,664,385 |
| 2025-10-31 | 10,683,654 | +2.7% | 5.36 | 1,995,022 |
| 2025-10-15 | 10,404,710 | -6.1% | 3.18 | 3,269,597 |
| 2025-09-30 | 11,078,342 | +24.1% | 2.48 | 4,466,665 |
import finzdata as yf
yf.Ticker("FSLY").short_interest # every report since 2017
yf.Client().short_interest(["FSLY"], start="2018-01-01")Technology short interest · FSLY price history · Who owns FSLY · All short interest