Spero Therapeutics Inc (SPRO) short volume · rev $66.8M
Spero Therapeutics Inc FINRA short-volume cache. Latest 2026-10-21.
| Date | Short | Total | Short % |
|---|---|---|---|
| 2026-10-21 | 14,667 | 103,555 | 14.2% |
| 2026-10-20 | 89,074 | 357,839 | 24.9% |
| 2026-10-19 | 56,344 | 125,572 | 44.9% |
| 2026-10-16 | 38,192 | 185,261 | 20.6% |
| 2026-10-15 | 53,200 | 141,384 | 37.6% |
| 2026-10-14 | 99,524 | 274,015 | 36.3% |
| 2026-10-13 | 44,669 | 129,952 | 34.4% |
| 2026-10-12 | 52,922 | 185,332 | 28.6% |
| 2026-10-09 | 64,636 | 218,929 | 29.5% |
| 2026-10-08 | 44,297 | 185,499 | 23.9% |
SPRO short volume FAQ
What was SPRO's latest FINRA short volume?
On Oct 21, 2026, cached FINRA short volume for Spero Therapeutics Inc (SPRO) was 14,667 shares, 14.2% of 103,555 total volume.
How many SPRO short-volume sessions are listed on this page?
This page lists 10 cached FINRA short-volume sessions for Spero Therapeutics Inc (SPRO), from Oct 8, 2026 through Oct 21, 2026.
How did SPRO short volume percent change from the prior cached session?
Cached FINRA short volume for Spero Therapeutics Inc (SPRO) moved from 24.9% on Oct 20, 2026 to 14.2% on Oct 21, 2026, down 10.7 percentage points.
What was the highest SPRO short volume percent on this page?
The highest cached FINRA short volume on this page is 44.9% of total volume on Oct 19, 2026.
Where is SPRO listed?
Spero Therapeutics Inc (SPRO) common stock is listed on NASDAQ.
What is SPRO's latest revenue?
Latest cached Spero Therapeutics Inc (SPRO) revenue for Dec 31, 2025 was $66.8M. Statements: https://lician.com/financials/spro
What is the average SPRO short volume percent on this page?
Across 10 cached sessions on this page, Spero Therapeutics Inc (SPRO) short volume averaged 29.5% of total volume.
Where is SPRO short volume listed?
Cached FINRA short volume for Spero Therapeutics Inc (SPRO) is listed at https://lician.com/short-interest/spro.
Not investment advice. Cached rows, not a live tape.