ACIU
AC Immune SA
$2.18
-0.18 (-7.63%)
At close · Jul 16
Market Cap
$223.90M
Shares
101,773,573
Total shares sold short and not yet covered, reported to FINRA by broker-dealers and published twice a month (bi-monthly). Days to cover divides the short position by average daily volume; a high value (above 5) can signal short-squeeze potential.
Short Squeeze Score
59/100
Short interest 3.3% of shares — P62
Days to cover 13.0 — P96
Price vs VWAP -16.7% — P21
Short-volume trend +5.7% — P71
Short interest change -4.0% — P35
Worst FTD 0.01% of shares — P43
Peer-relative percentile rank across all stocks reporting short interest at the latest settlement date (2026-06-30). Weighted mean of the available factors (short interest 30%, days to cover 20%, price vs VWAP 15%, short-volume trend 15%, short-interest change 10%, fails-to-deliver 10%) plus catalyst boosts (price spike, volume surge, earnings within days), capped at +20 and clamped to 100.
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-06-30 | 3,376,932 | 3,516,192 | -139,260 | 12.99 |
| 2026-06-15 | 3,516,192 | 3,353,471 | +162,721 | 9.60 |
| 2026-05-29 | 3,353,471 | 3,226,453 | +127,018 | 16.31 |
| 2026-05-15 | 3,226,453 | 3,034,113 | +192,340 | 10.12 |
| 2026-04-30 | 3,034,113 | 2,933,523 | +100,590 | 12.91 |
| 2026-04-15 | 2,933,523 | 2,964,467 | -30,944 | 10.01 |
| 2026-03-31 | 2,964,467 | 3,091,859 | -127,392 | 14.59 |
| 2026-03-13 | 3,091,859 | 3,316,141 | -224,282 | 9.28 |
| 2026-02-27 | 3,316,141 | 3,235,563 | +80,578 | 9.42 |
| 2026-02-13 | 3,235,563 | 3,298,620 | -63,057 | 13.09 |
| 2026-01-30 | 3,298,620 | 3,250,814 | +47,806 | 10.69 |
| 2026-01-15 | 3,250,814 | 3,346,927 | -96,113 | 6.27 |
| 2025-12-31 | 3,346,927 | 3,593,227 | -246,300 | 10.55 |
| 2025-12-15 | 3,593,227 | 1,848,164 | +1,745,063 | 1.63 |
| 2025-11-28 | 1,848,164 | 1,618,509 | +229,655 | 8.02 |
| 2025-11-14 | 1,618,509 | 1,612,940 | +5,569 | 6.99 |
| 2025-10-31 | 1,612,940 | 1,576,999 | +35,941 | 3.61 |
| 2025-10-15 | 1,576,999 | 1,640,120 | -63,121 | 3.55 |
| 2025-09-30 | 1,640,120 | 1,577,354 | +62,766 | 9.72 |
| 2025-09-15 | 1,577,354 | 1,477,620 | +99,734 | 8.83 |
| 2025-08-29 | 1,477,620 | 1,492,769 | -15,149 | 16.89 |
| 2025-08-15 | 1,492,769 | 1,492,441 | +328 | 11.56 |
| 2025-07-31 | 1,492,441 | 1,401,693 | +90,748 | 8.21 |
Showing 1–23 of 23 settlements