Quantitative Research

TWSE Short Interest Weekly (Jun 19th): Shin Kong Financial, Global Unichip, Yageo, LARGAN Precision

18 Jun 2026 By Ke Yan, CFA
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Abstract: We analyzed TWSE short interest data as of Jun 19th, covering stocks with market cap of at least USD 100m. Aggregated short interest stood at USD 50,096m, up 5.1% week-on-week, in line with the TWSE index which rose 5.2% over the same period. On the increases side, Realtek Semiconductor (2379 TT) led with a short value jump of +USD 335m (+33.4%), followed by Winbond Electronics (2344 TT) at +USD 315m (+32.8%), Zhen Ding Technology (4958 TT) at +USD 243m (+42.1%), LARGAN Precision (3008 TT) at +USD 225m (+43.8%), and Global Unichip (3443 TT) at +USD 174m (+189.8%). On the decreases side, Evergreen Marine (2603 TT) saw the largest reduction at -USD 146m (-14.5%), followed by Yageo (2327 TT) at -USD 119m (-28.5%) and TSMC (2330 TT) at -USD 91m (-9.4%). By absolute short value, Quanta Computer (2382 TT) remained the most shorted stock at USD 2,715m, ahead of Wiwynn (6669 TT) at USD 1,775m and Realtek Semiconductor at USD 1,336m. Shin Kong Financial was also among the highlighted names for notable short interest movement this week.

Shin Kong Financial (2888 TT) LARGAN Precision (3008 TT) Yageo (2327 TT) Global Unichip (3443 TT) Zhen Ding Technology (4958 TT)

Highlighted Stocks

Shin Kong Financial, LARGAN Precision, Yageo, Global Unichip, Zhen Ding Technology

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