ZSTK
ZeroStack Corp. Common Stock
stockNASDAQ
Market OpenOct 5, 2026 10:12:07 AM EDT
4.80USD-1.738%(-0.09)8,610
4.1100Bid5.6900Ask1.5800SpreadPre-marketOct 5, 2026 9:16:30 AM EDT
4.75USD-2.863%(-0.14)
As of 2026-09-15, there were 124,491 shares short with a short interest of 14.89%.
ZSTK Short Interest - Official
Short Interest
ZSTK Short Position Change - Official
Short Position Change
ZSTK 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 | 14.89 | 124,491 | 1.15 | +5,459 | +4.59 | 17,489,828 | 836,001 |
| 2026-08-31 | 14.24 | 119,032 | 1.00 | +92,440 | +347.62 | 17,489,828 | 836,001 |
| 2026-08-14 | 3.18 | 26,592 | 1.36 | -1,368 | -4.89 | 17,489,828 | 836,001 |
| 2026-07-31 | 3.34 | 27,960 | 1.34 | -15,166 | -35.17 | 2,430,808 | 836,001 |
| 2026-07-15 | 5.16 | 43,126 | 1.07 | +13,511 | +45.62 | 2,430,808 | 836,001 |
| 2026-06-30 | 3.54 | 29,615 | 2.50 | -6,305 | -17.55 | 2,430,808 | 836,001 |
| 2026-06-15 | 4.30 | 35,920 | 8.83 | -2,129 | -5.60 | 2,430,808 | 836,001 |
| 2026-05-15 | 4.55 | 38,049 | 1.23 | -2,832 | -6.93 | 2,430,471 | 836,001 |
| 2026-04-30 | 1.68 | 40,881 | 3.81 | -6,107 | -13.00 | 2,430,808 | 2,430,808 |
| 2026-04-15 | 1.93 | 46,988 | 2.91 | +9,521 | +25.41 | 2,430,808 | 2,430,808 |
| 2026-03-31 | 1.54 | 37,467 | 1.76 | +12,816 | +51.99 | 2,430,808 | 2,430,808 |
| 2026-03-13 | 1.01 | 24,651 | 1.29 | +9,709 | +64.98 | 2,430,808 | 2,430,808 |
| 2026-02-27 | 0.62 | 14,942 | 1.00 | -8,669 | -36.72 | 2,412,411 | 2,412,411 |
| 2026-02-13 | 0.98 | 23,611 | 1.00 | -106,742 | -81.89 | 2,412,411 | 2,412,411 |
| 2026-01-30 | 0.00 | 130,353 | 1.00 | 0 | 0.00 | 0 | 0 |
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.