Quantitative Research

ASX Short Interest Weekly (Aug 7th): Northern Star Resources, Qantas Airways, Santos, CSL

07 Aug 2026 By Ke Yan, CFA
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Abstract: We analyzed ASX short interest as of August 7th, covering stocks with market cap of at least USD 100m. Aggregate short interest was USD 49,936m, up 6.4% week-on-week, while the ASX200 index rose 3.2%, indicating short interest grew at roughly twice the pace of the broader market. On the increase side, Northern Star Resources (NST AU) saw short value rise by USD 100m (+46.5%), Evolution Mining (EVN AU) by USD 186m (+28.9%), and Rio Tinto (RIO AU) by USD 501m (+12.4%). On the decrease side, QBE Insurance (QBE AU) saw the largest short covering with short value falling by USD 50m (-57.7%), followed by Origin Energy (ORG AU) at -USD 34m (-20.0%) and Santos (STO AU) with a notable reduction in short exposure.

Qantas Airways (QAN AU) Qbe Insurance (QBE AU) Santos (STO AU) Northern Star Resources (NST AU) CSL (CSL AU)

Highlighted Stocks

Qantas Airways, Qbe Insurance, Santos, Northern Star Resources, CSL

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