Quantitative Research

TWSE Short Interest Weekly (Apr 3rd): CTBC Financial, Compeq Manufacturing, Cathay Financial

02 Apr 2026 By Ke Yan, CFA
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Abstract: We analyzed TWSE short interest for stocks with market capitalization of at least USD 100m as of April 3rd, with aggregate short interest at USD 32,361m, down 0.7% week-on-week. The TWSE index declined 1.6% over the same period, meaning short interest fell less than the index. Among stocks with the largest weekly increases in short value, CTBC Financial rose USD 68m (+28.7%) and Cathay Financial rose USD 60m (+21.6%), while AU Optronics also added USD 60m (+17.6%). On the covering side, Compeq Manufacturing saw the largest short reduction at USD 62m (-26.0%), followed by WinWay Technology at USD 54m (-28.9%) and Nan Ya Plastics at USD 47m (-51.6%). By absolute short value, Wiwynn led at USD 940m, followed by Asustek Computer at USD 895m and Quanta Computer at USD 874m.

Asustek Computer Inc (2357 TT) Hon Hai Precision Industry Co Ltd (2317 TT) Wiwynn Corp (6669 TT) Quanta Computer Inc (2382 TT) Novatek Microelectronics Corp (3034 TT) United Microelectronics Corporation (2303 TT)

Highlighted Stocks

Asustek Computer Inc, Hon Hai Precision Industry Co Ltd, Wiwynn Corp, Quanta Computer Inc, Novatek Microelectronics Corp, United Microelectronics Corporation

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