Quantitative Research

ASX Short Interest Weekly (Sep 11th): Light & Wonder, Northern Star Resources, Predictive Discovery

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

Abstract: We analyzed ASX short interest for stocks with market cap of at least USD 100m as of Sep 11th. Aggregate short interest was USD 49,846m, down 2.3% week-on-week, while the ASX200 declined 2.9%, indicating shorts decreased slightly less than the broader market. On the increase side, Northern Star Resources saw the largest rise in short value at +USD 159m (+48.7%), followed by Light & Wonder at +USD 84m (+276.8% of prior short value) and Predictive Discovery at +USD 69m (+160.5%). On the decrease side, Rio Tinto led short covering at -USD 278m (-5.9%), followed by BHP at -USD 223m (-7.2%) and Pilbara Minerals at -USD 149m (-11.2%). Sigma Pharmaceuticals remained the most heavily shorted stock by ADT multiple at 53.0x, with short interest rising USD 88m (+9.1%) on the week.

Predictive Discovery (PDI AU) Northern Star Resources (NST AU) Light & Wonder (LNW AU) Nextdc (NXT AU) Sigma Pharmaceuticals (SIG AU)

Highlighted Stocks

Predictive Discovery, Northern Star Resources, Light & Wonder, Nextdc, Sigma Pharmaceuticals

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