POWI
Power Integrations Inc
stockNASDAQ
Market OpenOct 26, 2026 1:42:06 PM EDT
47.22USD+0.511%(+0.24)215,238
Pre-marketOct 26, 2026 9:12:30 AM EDT
47.25USD+0.575%(+0.27)
As of 2026-09-30, there were 5,484,575 shares short with a short interest of 10.01%.
POWI Short Interest - Official
POWI Short Position Change - Official
POWI Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-09-30 | 10.01 | 5,484,575 | 6.63 | -393,670 | -6.70 | 55,873,298 | 54,795,382 |
| 2026-09-15 | 10.73 | 5,878,245 | 6.73 | +202,858 | +3.57 | 55,873,298 | 54,795,382 |
| 2026-08-31 | 10.36 | 5,675,387 | 8.14 | +143,607 | +2.60 | 55,873,298 | 54,795,382 |
| 2026-08-14 | 10.10 | 5,531,780 | 9.17 | -34,097 | -0.61 | 55,873,298 | 54,795,382 |
| 2026-07-31 | 10.16 | 5,565,877 | 8.28 | +89,525 | +1.63 | 55,719,984 | 54,782,217 |
| 2026-07-15 | 10.00 | 5,476,352 | 6.92 | +800,271 | +17.11 | 55,719,984 | 54,769,401 |
| 2026-06-30 | 8.54 | 4,676,081 | 4.11 | -40,179 | -0.85 | 55,719,984 | 54,783,331 |
| 2026-06-15 | 8.61 | 4,716,260 | 4.32 | +713,754 | +17.83 | 55,719,984 | 54,783,331 |
| 2026-05-15 | 7.36 | 4,002,506 | 3.08 | -359,156 | -8.23 | 55,719,984 | 54,353,857 |
| 2026-04-30 | 8.07 | 4,361,662 | 3.24 | +217,800 | +5.26 | 55,703,980 | 54,080,012 |
| 2026-04-15 | 7.66 | 4,143,862 | 6.13 | -633,665 | -13.26 | 55,504,000 | 54,080,012 |
| 2026-03-31 | 8.83 | 4,777,527 | 5.01 | -127,931 | -2.61 | 55,504,000 | 54,080,012 |
| 2026-03-13 | 9.07 | 4,905,458 | 4.83 | +436,357 | +9.76 | 55,504,000 | 54,080,012 |
| 2026-02-27 | 8.26 | 4,469,101 | 6.71 | +420,125 | +10.38 | 55,504,000 | 54,080,012 |
| 2026-02-13 | 7.49 | 4,048,976 | 3.92 | -334,062 | -7.62 | 55,504,000 | 54,080,012 |
| 2026-01-30 | 8.10 | 4,383,038 | 4.75 | -763,099 | -14.83 | 55,336,162 | 54,080,012 |
| 2026-01-15 | 9.52 | 5,146,137 | 5.84 | +386,674 | +8.12 | 55,336,162 | 54,080,012 |
| 2025-12-31 | 8.80 | 4,759,463 | 2.97 | +605,959 | +14.59 | 55,336,162 | 54,080,012 |
| 2025-12-15 | 7.68 | 4,153,504 | 4.96 | +51,960 | +1.27 | 55,336,162 | 54,080,012 |
| 2025-11-28 | 7.57 | 4,101,544 | 4.76 | -80,348 | -1.92 | 55,336,162 | 54,174,103 |
| 2025-11-14 | 7.72 | 4,181,892 | 4.20 | +481,578 | +13.01 | 55,336,162 | 54,174,103 |
| 2025-10-31 | 6.73 | 3,700,314 | 3.32 | -230,025 | -5.85 | 56,095,582 | 54,941,696 |
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.