SPRO · Spero Therapeutics, Inc. · Short Volume
Market Cap
$64.64M
Shares
58.23M
Volume · Oct 23
316.55K
Avg daily vol (3M)
825.88K
Daily short-sale volume published by FINRA from its trade-reporting facilities. It measures how many shares were sold short each day as a share of total volume — a daily flow, not the total outstanding short position.
Short Volume
| Date | Short Volume | Short Exempt | Total Volume | Short % |
|---|---|---|---|---|
| 2026-10-23 | 83,127 | 0 | 166,392 | 50.0% |
| 2026-10-22 | 42,993 | 0 | 130,349 | 33.0% |
| 2026-10-21 | 14,668 | 0 | 103,556 | 14.2% |
| 2026-10-20 | 89,074 | 0 | 357,839 | 24.9% |
| 2026-10-19 | 56,345 | 0 | 125,572 | 44.9% |
| 2026-10-16 | 38,192 | 0 | 185,262 | 20.6% |
| 2026-10-15 | 53,200 | 0 | 141,385 | 37.6% |
| 2026-10-14 | 99,524 | 50 | 274,015 | 36.3% |
| 2026-10-13 | 44,669 | 0 | 129,953 | 34.4% |
| 2026-10-12 | 52,922 | 0 | 185,333 | 28.6% |
| 2026-10-09 | 64,636 | 0 | 218,930 | 29.5% |
| 2026-10-08 | 44,297 | 0 | 185,499 | 23.9% |
| 2026-10-07 | 19,871 | 0 | 132,693 | 15.0% |
| 2026-10-06 | 99,534 | 0 | 203,750 | 48.9% |
| 2026-10-05 | 107,120 | 319 | 229,306 | 46.7% |
| 2026-10-02 | 93,743 | 500 | 285,349 | 32.9% |
| 2026-10-01 | 249,677 | 0 | 513,286 | 48.6% |
| 2026-09-30 | 26,846 | 0 | 84,975 | 31.6% |
| 2026-09-29 | 64,689 | 0 | 173,017 | 37.4% |
| 2026-09-28 | 33,292 | 0 | 131,750 | 25.3% |
| 2026-09-25 | 26,890 | 0 | 165,827 | 16.2% |
| 2026-09-24 | 54,008 | 0 | 224,627 | 24.0% |
| 2026-09-23 | 154,938 | 0 | 690,204 | 22.4% |
| 2026-09-22 | 1,608,528 | 3,434 | 4,127,139 | 39.0% |
| 2026-09-21 | 55,426 | 12,893 | 142,863 | 38.8% |
| 2026-09-18 | 21,322 | 0 | 52,465 | 40.6% |
| 2026-09-17 | 18,216 | 0 | 61,924 | 29.4% |
| 2026-09-16 | 32,896 | 0 | 231,713 | 14.2% |
| 2026-09-15 | 48,749 | 0 | 120,256 | 40.5% |
| 2026-09-14 | 40,250 | 0 | 145,780 | 27.6% |
| 2026-09-11 | 30,666 | 1,500 | 144,072 | 21.3% |
| 2026-09-10 | 80,437 | 3,469 | 388,863 | 20.7% |
| 2026-09-09 | 41,459 | 0 | 164,188 | 25.3% |
| 2026-09-08 | 54,974 | 0 | 189,109 | 29.1% |
| 2026-09-04 | 16,615 | 0 | 222,744 | 7.5% |
| 2026-09-03 | 27,375 | 0 | 97,115 | 28.2% |
| 2026-09-02 | 11,574 | 100 | 92,256 | 12.5% |
| 2026-09-01 | 41,231 | 0 | 209,020 | 19.7% |
| 2026-08-31 | 44,832 | 3,300 | 155,985 | 28.7% |
| 2026-08-28 | 32,675 | 0 | 116,581 | 28.0% |
| 2026-08-27 | 45,628 | 0 | 325,226 | 14.0% |
| 2026-08-26 | 19,436 | 0 | 70,052 | 27.7% |
| 2026-08-25 | 133,235 | 0 | 352,851 | 37.8% |
| 2026-08-24 | 63,131 | 0 | 179,256 | 35.2% |
| 2026-08-21 | 34,443 | 0 | 152,891 | 22.5% |
| 2026-08-20 | 103,186 | 0 | 274,563 | 37.6% |
| 2026-08-19 | 61,137 | 0 | 259,188 | 23.6% |
| 2026-08-18 | 34,614 | 0 | 222,247 | 15.6% |
| 2026-08-17 | 41,807 | 0 | 101,694 | 41.1% |
| 2026-08-14 | 100,134 | 300 | 375,537 | 26.7% |
Showing 1–50 of 64 days