Quantitative Research

TWSE Short Interest Weekly (Sep 25th): Shin Kong Financial, Zhen Ding Technology, ASE Industrial

24 Sep 2026 By Ke Yan, CFA
← All Research Reports

Abstract: We analyzed changes in short interest for TWSE stocks with market cap of at least USD100m as of Sep 25th, with aggregate short interest totaling USD41.3bn, compared to USD41.6bn a week earlier. Short interest declined 0.6% week-on-week, while the TWSE index rose 1.8% over the same period. The largest weekly increases in short value were in Zhen Ding Technology (+USD253m), Global Unichip (+USD157m), and Nan Ya Plastics (+USD142m). The largest weekly decreases were in Wistron (-USD355m), ASE Industrial (-USD163m), and Alchip Technologies (-USD133m). The most shorted stocks by value were Innolux (USD1,243m), TSMC (USD1,171m), and Wiwynn (USD984m).

Zhen Ding Technology (4958 TT) ASE Industrial (3711 TT) Wistron (3231 TT) Nan Ya Plastics (1303 TT) Shin Kong Financial (2888 TT)

Highlighted Stocks

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

Interested in the full report? Get in touch with our team.