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總覽財報趨勢法說會期權空頭機構持股內部人公司行動SEC 文件
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UMC 空頭部位

每月兩次的未平倉空單快照。

結算日 2026-07-31
流通股空頭比1.6%流通股數 2,164,502,000
回補天數1.9平均日成交量 17,966,337
未平倉空單34,193,634United Microelectronic Corp.
較前期變化+13,682,047+66.7%

Short interest 歷史

每月兩次的未平倉空單快照。

結算日未平倉空單變化變化率回補天數流通股空頭比
Jul 31, 202634,193,634+13,682,047+66.7%1.91.6%
Jul 15, 202620,511,587-5,665,572-21.6%1.20.9%
Jun 30, 202626,177,159+846,149+3.3%1.31.2%

Short interest 是每月兩次公布的未平倉部位快照,不是每日放空成交量。

每日場外 short volume

最近 30 個日曆日由 FINRA 場外設施回報的放空成交流量。

交易日Short volumeShort exemptFINRA 總量Short volume 比例回報設施
Aug 21, 2026908,01311,714,56453.0%3
Aug 20, 20261,303,8587532,219,56058.7%3
Aug 19, 20262,396,0794,4002,905,97482.5%3
Aug 18, 20261,827,0855,5012,977,01461.4%3
Aug 17, 20261,155,4892471,798,94864.2%3
Aug 14, 2026589,951991,591,72037.1%3
Aug 13, 2026921,00201,641,91856.1%3
Aug 12, 20261,419,02113,9872,654,06753.5%3
Aug 11, 20261,007,666622,109,09247.8%3
Aug 10, 2026778,3672831,985,60939.2%3
Aug 7, 20262,131,5401103,687,93257.8%3
Aug 6, 20261,539,0571,4302,752,96155.9%3
Aug 5, 20262,300,6382,1153,414,67967.4%3
Aug 4, 20263,238,1161424,380,29873.9%3
Aug 3, 20261,966,2681,7503,071,53264.0%3
Jul 31, 20262,483,2985,6173,619,73868.6%3
Jul 30, 20263,548,2881,3155,698,88062.3%3
Jul 29, 20263,814,44332,7207,246,64752.6%3
Jul 28, 20263,017,64135,8847,684,51039.3%3
Jul 27, 20261,736,2846,7883,170,87554.8%3
Jul 24, 20261,905,87212,6153,477,30954.8%3

每日 short volume 是 FINRA 場外設施回報的成交流量,不代表未平倉空單,也不是全交易所合併成交量。