QSI · Quantum-Si Inc

$0.77 +0.01 (+1.77%)

Market Cap

$166.57M

218.88M

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.

1M 3M 6M 1Y 5Y All

Short Volume

Date	Short Volume	Short Exempt	Total Volume	Short %
2026-09-03	384,815	15	662,988	58.0%
2026-09-02	726,925	14,300	1,246,117	58.3%
2026-09-01	525,638	800	1,020,099	51.5%
2026-08-31	472,381	500	693,666	68.1%
2026-08-28	877,614	0	1,355,533	64.7%
2026-08-27	534,566	34	916,584	58.3%
2026-08-26	871,346	0	1,883,394	46.3%
2026-08-25	1,254,290	202,938	3,137,933	40.0%
2026-08-24	1,317,268	25,971	2,494,514	52.8%
2026-08-21	1,988,027	25,052	5,282,953	37.6%
2026-08-20	1,123,992	2,549	2,063,542	54.5%
2026-08-19	838,379	69,508	1,734,751	48.3%
2026-08-18	629,710	0	952,622	66.1%
2026-08-17	815,250	271,649	1,593,164	51.2%
2026-08-14	2,157,719	174,048	4,539,134	47.5%
2026-08-13	1,370,045	54,140	2,368,171	57.9%
2026-08-12	507,036	266	955,775	53.0%
2026-08-11	806,593	21,665	1,571,349	51.3%
2026-08-10	889,101	7,600	1,801,267	49.4%
2026-08-07	1,151,287	10,000	2,007,534	57.3%
2026-08-06	596,874	0	1,083,624	55.1%
2026-08-05	1,401,261	8	2,024,036	69.2%
2026-08-04	1,822,782	0	2,993,015	60.9%
2026-08-03	1,307,231	29,795	2,050,755	63.7%
2026-07-31	670,553	0	1,212,343	55.3%
2026-07-30	1,724,103	1,260	2,467,337	69.9%
2026-07-29	2,001,134	1,642	3,001,330	66.7%
2026-07-28	1,425,614	5,542	2,185,109	65.2%
2026-07-27	357,898	0	695,781	51.4%
2026-07-24	1,145,144	121	1,811,128	63.2%
2026-07-23	1,590,808	5,200	2,594,587	61.3%
2026-07-22	1,044,776	0	2,008,321	52.0%
2026-07-21	431,094	11,230	1,024,238	42.1%
2026-07-20	547,895	0	905,452	60.5%
2026-07-17	852,393	0	1,628,533	52.3%
2026-07-16	1,594,477	5,207	2,300,890	69.3%
2026-07-15	646,717	1,000	1,277,359	50.6%
2026-07-14	363,656	0	713,895	50.9%
2026-07-13	1,242,050	960	2,231,554	55.7%
2026-07-10	1,250,044	2,936	1,988,396	62.9%
2026-07-09	704,745	4,996	1,687,318	41.8%
2026-07-08	1,408,459	200	2,134,494	66.0%
2026-07-07	1,312,843	6,200	2,283,227	57.5%
2026-07-06	678,705	14	1,606,579	42.2%
2026-07-02	1,985,649	16,469	4,261,498	46.6%
2026-07-01	1,586,484	38,826	3,372,943	47.0%
2026-06-30	712,431	1,200	1,834,654	38.8%
2026-06-29	1,323,111	2,277	2,751,377	48.1%
2026-06-26	1,285,849	0	2,188,886	58.7%
2026-06-25	1,358,542	4,700	5,658,748	24.0%

Showing 1–50 of 64 days

Key facts CIK 1816431 CUSIP 74765K105 13F (30d) 104 filings 103 filers Visit website Investor relations