Quantitative Research

TWSE Short Interest Weekly (Aug 14th): Shin Kong Financial, Nan Ya Plastics, Quanta Computer

14 Aug 2026 By Ke Yan, CFA
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Abstract: We analyzed TWSE short interest for stocks with market cap of at least USD 100m as of Aug 14th, with aggregate short interest of USD 43,852m. Aggregate short interest increased 0.4% week-on-week, contrasting with a 3.6% gain in the TWSE index. The largest short by value was Wiwynn at USD 1,995m, followed by Quanta Computer at USD 1,491m. The biggest weekly increase in short value was Zhen Ding Technology (up USD 163m), followed by ASE Industrial (up USD 155m) and Nan Ya Plastics (up USD 130m). The largest weekly decrease was Quanta Computer, which saw short value fall USD 1,029m, a 40.8% reduction week-on-week.

Nan Ya Plastics (1303 TT) Zhen Ding Technology (4958 TT) Shin Kong Financial (2888 TT) ASE Industrial (3711 TT) Quanta Computer (2382 TT)

Highlighted Stocks

Nan Ya Plastics, Zhen Ding Technology, Shin Kong Financial, ASE Industrial, Quanta Computer

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