FTNT
Fortinet, Inc.
stockNASDAQ
At CloseOct 2, 2026 3:59:58 PM EDT
180.90USD+1.220%(+2.18)3,412,775
Pre-marketOct 5, 2026 8:41:30 AM EDT
181.20USD+0.138%(+0.25)
After-hoursOct 2, 2026 4:43:30 PM EDT
180.75USD-0.083%(-0.15)
As of 2026-09-15, there were 13,718,909 shares short with a short interest of 2.22%.
FTNT Short Interest - Official
Short Interest
FTNT Short Position Change - Official
Short Position Change
FTNT Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-15 | 2.22 | 13,718,909 | 3.53 | +161,916 | +1.19 | 733,713,653 | 618,549,958 |
| 2026-08-31 | 2.19 | 13,556,993 | 3.05 | -641,094 | -4.52 | 733,713,653 | 618,549,958 |
| 2026-08-14 | 2.30 | 14,198,087 | 3.02 | -186,541 | -1.30 | 733,713,653 | 618,549,958 |
| 2026-07-31 | 2.33 | 14,384,628 | 2.45 | -108,096 | -0.75 | 733,713,653 | 618,032,624 |
| 2026-07-15 | 2.35 | 14,492,724 | 3.13 | -563,881 | -3.75 | 732,648,391 | 617,651,900 |
| 2026-06-30 | 2.44 | 15,056,605 | 1.98 | -3,746,086 | -19.92 | 732,648,391 | 617,659,226 |
| 2026-06-15 | 3.04 | 18,802,691 | 2.89 | -844,931 | -4.30 | 732,648,391 | 617,659,226 |
| 2026-05-15 | 3.18 | 19,647,622 | 2.83 | +557,083 | +2.92 | 732,648,391 | 617,644,573 |
| 2026-04-30 | 3.05 | 19,090,539 | 3.95 | -267,104 | -1.38 | 732,102,047 | 625,943,480 |
| 2026-04-15 | 3.09 | 19,357,643 | 3.14 | +456,566 | +2.42 | 739,923,583 | 625,943,480 |
| 2026-03-31 | 3.02 | 18,901,077 | 2.92 | -246,095 | -1.29 | 739,923,583 | 625,943,480 |
| 2026-03-13 | 3.06 | 19,147,172 | 3.38 | +1,447,317 | +8.18 | 739,923,583 | 625,943,480 |
| 2026-02-27 | 2.83 | 17,699,855 | 3.01 | +760,048 | +4.49 | 743,648,102 | 625,943,480 |
| 2026-02-13 | 2.71 | 16,939,807 | 1.87 | -655,731 | -3.73 | 743,648,102 | 625,943,480 |
| 2026-01-30 | 2.81 | 17,595,538 | 2.74 | -2,476,795 | -12.34 | 743,648,102 | 625,943,480 |
| 2026-01-15 | 3.21 | 20,072,333 | 3.15 | -857,847 | -4.10 | 743,648,102 | 625,943,480 |
| 2025-12-31 | 3.34 | 20,930,180 | 3.55 | -2,628,584 | -11.16 | 743,648,102 | 625,943,480 |
| 2025-12-15 | 3.76 | 23,558,764 | 4.57 | +843,524 | +3.71 | 743,648,102 | 625,943,480 |
| 2025-11-28 | 3.63 | 22,715,240 | 4.53 | +2,232,623 | +10.90 | 743,648,102 | 625,698,077 |
| 2025-11-14 | 3.27 | 20,482,617 | 3.06 | -583,215 | -2.77 | 743,648,102 | 625,668,331 |
| 2025-10-31 | 3.25 | 21,065,832 | 5.02 | +737,962 | +3.63 | 766,266,033 | 649,080,969 |
| 2025-10-15 | 3.13 | 20,327,870 | 4.60 | -534,696 | -2.56 | 766,266,033 | 649,080,969 |
Historical data is split-adjusted.
1 Data from Finra. Finra publishes an updated file every two weeks.
2 Days to Cover (DTC) is also called Short Ratio. This is the Short Position / Average Daily Trading Volume.