QSI short interest
Quantum-Si incorporated · Healthcare · Medical - Devices · settlement date 2026-09-30
| Shares short | 11,830,534 |
|---|---|
| Change vs prior report | -1,215,608 (-9.3%) |
| Change over six months | -46.6% |
| Days to cover | 2.46 (sector: 3.78) |
| Average daily volume | 4,804,383 |
| Rank in Healthcare | #679 of 922 by days to cover |
QSI short interest, last 12 months
| Settlement | Shares short | Change | Days to cover | Avg daily volume |
|---|---|---|---|---|
| 2026-09-30 | 11,830,534 | -9.3% | 2.46 | 4,804,383 |
| 2026-09-15 | 13,046,142 | -9.7% | 10.32 | 1,263,981 |
| 2026-08-31 | 14,444,969 | +1.2% | 4.78 | 3,019,753 |
| 2026-08-14 | 14,273,563 | -7.4% | 4.68 | 3,048,121 |
| 2026-07-31 | 15,417,732 | +9.1% | 5.91 | 2,606,673 |
| 2026-07-15 | 14,129,789 | -18.8% | 4.24 | 3,329,544 |
| 2026-06-30 | 17,398,927 | -22.7% | 2.72 | 6,407,399 |
| 2026-06-15 | 22,514,122 | -1.3% | 3.40 | 6,614,058 |
| 2026-05-29 | 22,808,138 | -1.9% | 3.25 | 7,014,205 |
| 2026-05-15 | 23,252,541 | +1.2% | 3.88 | 5,996,522 |
| 2026-04-30 | 22,967,445 | +0.1% | 3.40 | 6,755,299 |
| 2026-04-15 | 22,939,577 | +3.6% | 5.57 | 4,121,615 |
| 2026-03-31 | 22,143,189 | +2.9% | 7.21 | 3,069,696 |
| 2026-03-13 | 21,512,748 | +1.8% | 5.19 | 4,147,867 |
| 2026-02-27 | 21,136,226 | -1.0% | 8.03 | 2,630,855 |
| 2026-02-13 | 21,342,481 | +13.2% | 4.23 | 5,045,504 |
| 2026-01-30 | 18,855,768 | -2.4% | 3.91 | 4,822,424 |
| 2026-01-15 | 19,325,866 | +0.3% | 3.65 | 5,290,231 |
| 2025-12-31 | 19,264,903 | -0.3% | 3.63 | 5,308,295 |
| 2025-12-15 | 19,324,219 | +2.6% | 4.74 | 4,072,661 |
| 2025-11-28 | 18,837,920 | +19.3% | 3.98 | 4,731,442 |
| 2025-11-14 | 15,785,926 | -6.9% | 2.13 | 7,399,745 |
| 2025-10-31 | 16,953,953 | -15.0% | 1.08 | 15,741,120 |
| 2025-10-15 | 19,939,017 | -9.1% | 1.02 | 19,603,379 |
| 2025-09-30 | 21,940,146 | -0.2% | 1.41 | 15,521,390 |
import finzdata as yf
yf.Ticker("QSI").short_interest # every report since 2017
yf.Client().short_interest(["QSI"], start="2018-01-01")Healthcare short interest · QSI price history · Who owns QSI · All short interest