Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

<ul>
<li>In this insight, we present our expectations for ASX 200, 100, 50, and 20 for the December 2026 index rebal event.</li>
<li>We expect one change for ASX 100 and six changes for ASX 200. We do not see any changes for ASX 20 and ASX 50.</li>
<li>There could also be intra-review index changes over the next few months. By our current measure, those will be quite big in dollar terms and ADV impact.</li>
</ul>


In this insight, we present our expectations for ASX 200, 100, 50, and 20 for the December 2026 index rebal event.
We expect one change for ASX 100 and six changes for ASX 200. We do not see any changes for ASX 20 and ASX 50.
There could also be intra-review index changes over the next few months. By our current measure, those will be quite big in dollar terms and ADV impact.


Quiddity Leaderboard ASX Dec26: Multiple Changes During the Rebal + Some Intra-Review Changes

Asia Pac ECM and Index Rebal, Shenton Research

Ke Yan, CFA, FRM

Asia Pac ECM and Index Rebal

Asia Pac IPO & Placement Research, China Biotech

Shenton Research

Shenton Research is an independent Asia Pacific equity specialist. Our quantitative research covers index rebalancing flows, alongside exchange data analytics accross Asia Pacific. On the equity capital markets side, we focus on Asia Pacific ECM, especially biotech and TMT. Our lead analyst is frequently cited by international media.

Quantitative Analysis

<ul>
<li>We analyzed the changes in short interest of ASX Stocks as of Aug 28th (reported today). The aggregated short interest was USD50.8bn.</li>
<li>We tabulate league tables for top short by value and short as multiple of ADT, as well as weekly increases &amp; decreases in short value, short as multiple of ADT.</li>
<li>We highlight short interest changes in Steadfast, Brambles, Worley, Transurban, Charter Hall.</li>
</ul>


We analyzed the changes in short interest of ASX Stocks as of Aug 28th (reported today). The aggregated short interest was USD50.8bn.
We tabulate league tables for top short by value and short as multiple of ADT, as well as weekly increases &amp; decreases in short value, short as multiple of ADT.
We highlight short interest changes in Steadfast, Brambles, Worley, Transurban, Charter Hall.


ASX Short Interest Weekly (Aug 28th): Steadfast, Brambles, Worley, Transurban, Charter Hall

Pan-Asia Catalysts/Events, Quiddity Advisors

David Blennerhassett

Event-Driven

<ul>
<li>Australia's ASIC releases the aggregated short position data four business days after the reporting day. Data in this insight is up to 17th August, published on the 21st August.</li>
<li>The largest industry net increase in the past week was A$0.1bn into "Media/Services"; the largest industry net decrease was A$0.4bn out of "Banks". Net shorts declined A$0.7bn week-on-week.</li>
<li>Companies mentioned in this regular weekly report include: <a href="https://www.smartkarma.com/entities/pls-group-limited" target="_blank" data-smartkarma-citation="entities:7460:1" rel="noopener">PLS Group (PLS AU)</a>, <a href="https://www.smartkarma.com/entities/woodside-energy-group-ltd" target="_blank" data-smartkarma-citation="entities:13190:1" rel="noopener">Woodside Energy Group (WDS AU)</a>, <a href="https://www.smartkarma.com/entities/car-group-ltd" target="_blank" data-smartkarma-citation="entities:701:1" rel="noopener">CAR Group (CAR AU)</a>, <a href="https://www.smartkarma.com/entities/xero-ltd" target="_blank" data-smartkarma-citation="entities:390:1" rel="noopener">Xero Ltd (XRO AU)</a>, and <a href="https://www.smartkarma.com/entities/wisetech-global-ltd" target="_blank" data-smartkarma-citation="entities:22669:1" rel="noopener">Wisetech Global (WTC AU)</a>.</li>
</ul>


Australia's ASIC releases the aggregated short position data four business days after the reporting day. Data in this insight is up to 17th August, published on the 21st August.
The largest industry net increase in the past week was A$0.1bn into "Media/Services"; the largest industry net decrease was A$0.4bn out of "Banks". Net shorts declined A$0.7bn week-on-week.
Companies mentioned in this regular weekly report include: PLS Group (PLS AU), Woodside Energy Group (WDS AU), CAR Group (CAR AU), Xero Ltd (XRO AU), and Wisetech Global (WTC AU).


Aussie Shorts [17 Aug 2026]: PLS Group, Woodside Energy, CAR Group, Xero, Wisetech Global

<ul>
<li>Australia's ASIC releases the aggregated short position data four business days after the reporting day. Data in this insight is up to 10th August, published on the 14th August.</li>
<li>The largest industry net increase in the past week was A$1.4bn into "Metals"; the largest industry net decrease was A$0.1bn out of "Food Retail". Net shorts increased A$3.7bn(!) week-on-week.
</li>
<li>Companies mentioned in this regular weekly report include: <a href="https://www.smartkarma.com/entities/rio-tinto-ltd" target="_blank" data-smartkarma-citation="entities:13:1" rel="noopener">Rio Tinto Ltd (RIO AU)</a>, <a href="https://www.smartkarma.com/entities/lynas-corp-ltd" target="_blank" data-smartkarma-citation="entities:20374:1" rel="noopener">Lynas Corp (LYC AU)</a>, <a href="https://www.smartkarma.com/entities/pls-group-limited" target="_blank" data-smartkarma-citation="entities:7460:1" rel="noopener">PLS Group (PLS AU)</a>, <a href="https://www.smartkarma.com/entities/evolution-mining-ltd" target="_blank" data-smartkarma-citation="entities:18363:1" rel="noopener">Evolution Mining (EVN AU)</a>, and <a href="https://www.smartkarma.com/entities/genesis-minerals-ltd" target="_blank" data-smartkarma-citation="entities:4650:1" rel="noopener">Genesis Minerals (GMD AU)</a>. 
</li>
</ul>


Australia's ASIC releases the aggregated short position data four business days after the reporting day. Data in this insight is up to 10th August, published on the 14th August.
The largest industry net increase in the past week was A$1.4bn into "Metals"; the largest industry net decrease was A$0.1bn out of "Food Retail". Net shorts increased A$3.7bn(!) week-on-week.

Companies mentioned in this regular weekly report include: Rio Tinto Ltd (RIO AU), Lynas Corp (LYC AU), PLS Group (PLS AU), Evolution Mining (EVN AU), and Genesis Minerals (GMD AU). 



Aussie Shorts [10 Aug 2026]: Rio Tinto, Lynas, PLS Group, Evolution Mining, Genesis Minerals

<ul>
<li>We analyzed the changes in short interest of ASX Stocks as of Aug 7th (reported today). The aggregated short interest was USD49.9bn.</li>
<li>We tabulate league tables for top short by value and short as multiple of ADT, as well as weekly increases &amp; decreases in short value, short as multiple of ADT.</li>
<li>We highlight short interest changes in Northern Star Resources, Qantas Airways, Santos, CSL, Qbe Insurance.</li>
</ul>


We analyzed the changes in short interest of ASX Stocks as of Aug 7th (reported today). The aggregated short interest was USD49.9bn.
We tabulate league tables for top short by value and short as multiple of ADT, as well as weekly increases &amp; decreases in short value, short as multiple of ADT.
We highlight short interest changes in Northern Star Resources, Qantas Airways, Santos, CSL, Qbe Insurance.


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

Australia

Guzman Y Gomez Limited operates as a restaurant. The Company specializes in retail sale of burritos, sandwiches, egg bowls, tacos, coffee and soft drinks, and other mexican foods for on-premises consumption. Guzman Y Gomez serves customers across Australia.

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Guzman Y Gomez (GYG AU)

Quiddity Leaderboard ASX Dec26: Multiple Changes During the Rebal + Some Intra-Review Changes

Although we currently see zero changes for ASX 50, there are multiple potential DELs close to the deletion border. If they underperform other...

Janaghan Jeyakumar, CFA

ASX Short Interest Weekly (Aug 28th): Steadfast, Brambles, Worley, Transurban, Charter Hall

We analyzed ASX short interest report for the past week and highlight short interest changes in Steadfast, Brambles, Worley, Transurban, Charter Hall.

Ke Yan, CFA, FRM

Aussie Shorts [17 Aug 2026]: PLS Group, Woodside Energy, CAR Group, Xero, Wisetech Global

The largest industry net increase in the past week was A$0.1bn into "Media/Services"; the largest industry net decrease was A$0.4bn out of "Banks"....

David Blennerhassett

Aussie Shorts [10 Aug 2026]: Rio Tinto, Lynas, PLS Group, Evolution Mining, Genesis Minerals

The largest industry net increase in the past week was A$1.4bn into "Metals"; the largest industry net decrease was A$0.1bn out of "Food Retail"....

David Blennerhassett

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

We analyzed ASX short interest report for the past week and highlight short interest changes in Northern Star Resources, Qantas Airways, Santos,...

Ke Yan, CFA, FRM

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