UMC

United Microelectronics Corp

$23.84 +0.38 (+1.62%) At close · Jul 14

Market Cap

$59.82B

2,509,286,774

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 %
2026-07-14	1,327,381	338	2,670,988	49.7%
2026-07-13	1,923,707	954	3,413,097	56.4%
2026-07-10	717,067	83	1,457,238	49.2%
2026-07-09	1,615,708	221	2,602,514	62.1%
2026-07-08	1,502,113	2,739	2,712,924	55.4%
2026-07-07	1,514,053	151	4,120,777	36.7%
2026-07-06	844,747	857	2,382,846	35.5%
2026-07-02	1,935,313	30,943	4,271,773	45.3%
2026-07-01	1,328,945	1,169	2,748,016	48.4%
2026-06-30	1,418,286	1,799	2,992,468	47.4%
2026-06-29	1,536,870	32,432	3,081,943	49.9%
2026-06-26	1,957,274	39,521	4,208,531	46.5%
2026-06-25	2,401,201	12,967	5,310,928	45.2%
2026-06-24	4,327,736	277	7,013,621	61.7%
2026-06-23	2,971,352	1,329	4,939,251	60.2%
2026-06-22	4,502,868	2,069	6,612,563	68.1%
2026-06-18	2,520,353	382	3,702,958	68.1%
2026-06-17	1,480,948	157	2,590,125	57.2%
2026-06-16	1,471,591	3,245	2,800,236	52.6%
2026-06-15	1,992,102	274	2,940,200	67.8%
2026-06-12	2,066,169	755	3,178,032	65.0%
2026-06-11	1,389,170	212	2,842,032	48.9%
2026-06-10	1,746,472	770	3,160,280	55.3%
2026-06-09	3,104,947	12,941	5,272,242	58.9%
2026-06-08	1,300,292	885	3,587,452	36.2%
2026-06-05	1,826,939	6,114	3,939,460	46.4%
2026-06-04	1,434,383	9,124	4,123,838	34.8%
2026-06-03	1,411,162	6,345	4,546,628	31.0%
2026-06-02	1,409,130	4,826	3,860,199	36.5%
2026-06-01	1,370,052	2,698	4,055,544	33.8%
2026-05-29	1,817,836	3,661	3,998,794	45.5%
2026-05-28	1,688,576	1,792	4,371,819	38.6%
2026-05-27	2,962,473	16,946	7,392,344	40.1%
2026-05-26	3,932,594	15,813	7,842,944	50.1%
2026-05-22	761,581	4,196	3,072,541	24.8%
2026-05-21	1,411,372	1,095	3,037,673	46.5%
2026-05-20	1,535,429	2,147	3,332,829	46.1%
2026-05-19	2,709,036	22,882	6,877,796	39.4%
2026-05-18	2,760,076	5,800	5,851,398	47.2%
2026-05-15	2,470,806	10,803	4,978,896	49.6%
2026-05-14	2,793,519	6,622	5,597,529	49.9%
2026-05-13	1,388,669	299	3,565,305	38.9%
2026-05-12	2,659,337	6,150	5,613,641	47.4%
2026-05-11	2,170,866	100	4,113,640	52.8%
2026-05-08	1,701,145	1,001	3,841,178	44.3%
2026-05-07	2,838,656	3,003	4,818,956	58.9%
2026-05-06	4,821,316	377	8,130,176	59.3%
2026-05-05	4,124,743	28	6,038,885	68.3%
2026-05-04	1,849,250	166	3,451,631	53.6%
2026-05-01	1,404,050	2,604	2,214,418	63.4%

Showing 1–50 of 62 days

Key facts CIK 1033767 CUSIP 910873405 13F (30d) 51 filings 26 filers Visit website Investor relations