Quantitative Research

ASX Short Interest Weekly (Oct 9th): Santos, South32, Goodman, Northern Star Resources, Downer Edi

09 Oct 2026 By Ke Yan, CFA, FRM
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Abstract: We analyzed changes in short interest of ASX stocks as of Oct 9th. The aggregated short interest was USD51.4bn, compared to USD50.5bn a week ago. Short interest increased by 1.8% last week while the ASX200 index rose by 0.4%. Among stock highlights, Commonwealth Bank Of Australia led the weekly increase in short value at +US$129m (short value US$4,595m), followed by Wesfarmers at +US$119m and Goodman at +US$99m. South32 saw the largest weekly increase in short value as a percentage, up 22.0%, and Downer Edi's short value as a multiple of ADT rose by 2.91x. Northern Star Resources' short value rose 10.4% week on week to US$748m, while Rio Tinto posted the largest weekly decrease in short value at -US$143m.

Santos (STO AU) Goodman (GMG AU) Northern Star Resources (NST AU) South32 (S32 AU) Downer Edi (DOW AU)

Highlighted Stocks

Santos, Goodman, Northern Star Resources, South32, Downer Edi

About ASX Short Interest Weekly

A weekly review of short interest in ASX-listed stocks, based on the short position reports published for the Australian market. Each issue tabulates the largest shorts by value and as a multiple of average daily turnover, plus the week's biggest increases and decreases. All issues of ASX Short Interest Weekly →

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