Quantitative Research

Bursa Short Interest Weekly (Oct 16th): Tenaga Nasional, Heineken, Aeon Credit Service, Mah Sing

16 Oct 2026 By Ke Yan, CFA, FRM
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Abstract: We analyzed changes in short interest across Bursa Malaysia stocks as of Oct 16th. Aggregated short interest was USD1,364m, down 2.0% from USD1,392m a week earlier. Short interest fell while the KLSE index was roughly flat, down 0.0% for the week. Tenaga Nasional's short value rose 40.0% to USD29.8m and CIMB's rose 17.3% to USD88.3m, while Gamuda's short value fell 18.4% to USD114.2m and Heineken's fell 52.8% to USD1.8m. Aeon Credit Service's short interest increased by 1.12x ADT and Mah Sing's short value rose 18.9% to USD3.6m.

Mah Sing (MSGB MK) Tenaga Nasional (TNB MK) Lafarge Malayan Cement (LMC MK) Aeon Credit Service (ACSM MK) Heineken (HEIM MK)

Highlighted Stocks

Mah Sing, Tenaga Nasional, Lafarge Malayan Cement, Aeon Credit Service, Heineken

About Bursa Short Interest Weekly

A weekly review of short interest in Bursa Malaysia stocks. Each issue tabulates the largest shorts by value and as a multiple of average daily turnover, plus the week's biggest increases and decreases, then picks out the names where positioning moved most. All issues of Bursa Short Interest Weekly →

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