PDFS
PDF Solutions Inc
stockNASDAQ
Market OpenNov 2, 2026 12:25:59 PM EST
40.35USD-1.585%(-0.65)257,052
Pre-marketNov 2, 2026 8:49:30 AM EST
42.01USD+2.463%(+1.01)
As of 2026-10-15, there were 3,310,252 shares short with a short interest of 9.60%.
PDFS Short Interest - Official
PDFS Short Position Change - Official
PDFS Short Interest - Official
| Settlement Date1 | Short Interest % | Short Position | Days to Cover2 | Short Position Change | Short Position Change % | Shares Out | Shares Float |
|---|---|---|---|---|---|---|---|
| 2026-10-15 | 9.60 | 3,310,252 | 5.65 | -231,194 | -6.53 | 42,227,216 | 34,483,167 |
| 2026-09-30 | 10.89 | 3,541,446 | 5.81 | +292,630 | +9.01 | 42,227,216 | 32,534,890 |
| 2026-09-15 | 9.99 | 3,248,816 | 5.71 | +182,500 | +5.95 | 42,227,216 | 32,534,890 |
| 2026-08-31 | 9.42 | 3,066,316 | 4.41 | +630,632 | +25.89 | 42,227,216 | 32,534,890 |
| 2026-08-14 | 7.49 | 2,435,684 | 4.91 | +57,846 | +2.43 | 42,227,216 | 32,534,890 |
| 2026-07-31 | 7.31 | 2,377,838 | 4.64 | -205,655 | -7.96 | 41,867,720 | 32,534,890 |
| 2026-07-15 | 7.94 | 2,583,493 | 3.90 | +417,178 | +19.26 | 41,867,720 | 32,534,890 |
| 2026-06-30 | 6.65 | 2,166,315 | 2.62 | -54,559 | -2.46 | 41,867,720 | 32,552,854 |
| 2026-06-15 | 6.82 | 2,220,874 | 2.58 | +465,537 | +26.52 | 41,867,720 | 32,552,854 |
| 2026-05-15 | 5.47 | 1,755,337 | 1.43 | -148,332 | -7.79 | 39,921,090 | 32,107,303 |
| 2026-04-30 | 6.49 | 1,903,669 | 3.31 | +190,666 | +11.13 | 39,917,373 | 29,343,114 |
| 2026-04-15 | 5.84 | 1,713,003 | 5.02 | -167,403 | -8.90 | 39,890,709 | 29,343,114 |
| 2026-03-31 | 6.41 | 1,880,406 | 5.11 | +93,655 | +5.24 | 39,890,709 | 29,343,114 |
| 2026-03-13 | 6.09 | 1,786,751 | 6.22 | +30,341 | +1.73 | 39,890,709 | 29,343,114 |
| 2026-02-27 | 5.99 | 1,756,410 | 6.05 | -40,177 | -2.24 | 39,512,959 | 29,343,114 |
| 2026-02-13 | 6.12 | 1,796,587 | 5.12 | +112,263 | +6.67 | 39,512,959 | 29,343,114 |
| 2026-01-30 | 5.74 | 1,684,324 | 5.79 | -105,857 | -5.91 | 39,512,959 | 29,343,114 |
| 2026-01-15 | 6.10 | 1,790,181 | 5.91 | +134,693 | +8.14 | 39,512,959 | 29,343,114 |
| 2025-12-31 | 5.64 | 1,655,488 | 7.42 | +100,620 | +6.47 | 39,512,959 | 29,343,114 |
| 2025-12-15 | 5.30 | 1,554,868 | 5.28 | +179,263 | +13.03 | 39,512,959 | 29,343,114 |
| 2025-11-28 | 4.69 | 1,375,605 | 4.71 | +14,199 | +1.04 | 39,512,959 | 29,338,372 |
| 2025-11-14 | 4.64 | 1,361,406 | 4.17 | +31,590 | +2.38 | 39,512,959 | 29,322,172 |
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.