Pan-Asia Catalysts/Events, Quiddity Advisors

David Blennerhassett

Pan-Asia Catalysts/Events

Quiddity Advisors

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 28th September, published on the 2nd October.
</li>
<li>The largest industry net increase in the past week was A$0.4bn into "Banks"; the largest industry net decrease was A$0.1bn out of "Interactive Media". Net shorts increased A$0.5bn week-on-week. 
</li>
<li>Companies mentioned in this regular weekly report include: <a href="https://www.smartkarma.com/entities/bhp-group-ltd" target="_blank" data-smartkarma-citation="entities:147:1" rel="noopener">BHP Group (BHP AU)</a>, <a href="https://www.smartkarma.com/entities/steadfast-group-ltd" target="_blank" data-smartkarma-citation="entities:8181:1" rel="noopener">Steadfast (SDF AU)</a>, <a href="https://www.smartkarma.com/entities/artrya-ltd" target="_blank" data-smartkarma-citation="entities:41151:1" rel="noopener">Artrya (AYA AU)</a>, <a href="https://www.smartkarma.com/entities/echoiq-limited" target="_blank" data-smartkarma-citation="entities:8230:1" rel="noopener">ECHOiQ (EIQ AU)</a>, <a href="https://www.smartkarma.com/entities/catalyst-metals-ltd" target="_blank" data-smartkarma-citation="entities:4293:1" rel="noopener">Catalyst Metals (CYL AU)</a>, and <a href="https://www.smartkarma.com/entities/core-lithium-ltd" target="_blank" data-smartkarma-citation="entities:14712:1" rel="noopener">Core Lithium (CXO 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 28th September, published on the 2nd October.

The largest industry net increase in the past week was A$0.4bn into "Banks"; the largest industry net decrease was A$0.1bn out of "Interactive Media". Net shorts increased A$0.5bn week-on-week. 

Companies mentioned in this regular weekly report include: BHP Group (BHP AU), Steadfast (SDF AU), Artrya (AYA AU), ECHOiQ (EIQ AU), Catalyst Metals (CYL AU), and Core Lithium (CXO AU).


Aussie Shorts [28 Sep 2026]: BHP Group, Steadfast, Artrya, ECHOiQ, Catalyst Metals, Core Lithium

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 Oct 2nd (reported today). The aggregated short interest was USD50.5bn.</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, Alcoa, Wesfarmers, Brambles, Suncorp.</li>
</ul>


We analyzed the changes in short interest of ASX Stocks as of Oct 2nd (reported today). The aggregated short interest was USD50.5bn.
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, Alcoa, Wesfarmers, Brambles, Suncorp.


ASX Short Interest Weekly (Oct 2nd): Northern Star Resources, Alcoa, Wesfarmers, Brambles, Suncorp

Pan-Asia Index Rebalances/ Events/ Delta One, Periscope Analytics

Brian Freitas

Pan-Asia Index Rebalances/ Events/ Delta One

Periscope Analytics

Periscope Analytics focuses on event-driven trades across Asia Pacific and provides comprehensive, timely and systematic coverage of index changes to major Asia Pacific indices in a structured manner.

The analysis includes forecasted inclusions and exclusions to all major Asian indices that have significant amount of tracking assets, including estimates of passive buy/sell flow on the stocks. The service also provides commentary and impact of market consultations, ground rule changes, and other events (IPOs, spin-offs, M&A) that could lead to index changes and passive flow.

Periscope Analytics works with multi-strategy hedge funds, proprietary trading firms, stat arb trading groups and long-only investors that invest and trade in the Asia Pacific region with the data being used to trade index rebalances, avoid pre-positioning and passive flow, and to time entry into and exit from stocks.

Event-Driven Trades Across Asia Pacific

Index Rebalance

<ul>
<li>The <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>/ <a href="https://www.smartkarma.com/entities/vault-minerals-ltd" target="_blank" data-smartkarma-citation="entities:46317:1" rel="noopener">Vault Minerals Ltd (VAU AU)</a> merger should complete mid-November while <a href="https://www.smartkarma.com/entities/steadfast-group-ltd" target="_blank" data-smartkarma-citation="entities:8181:1" rel="noopener">Steadfast (SDF AU)</a>'s acquisition could complete by end-November.</li>
<li>There will be ad hoc inclusions for the S&amp;P/ASX 100 Index and <a href="https://www.smartkarma.com/entities/s-p-asx-200" target="_blank" data-smartkarma-citation="entities:22901:1" rel="noopener">S&amp;P/ASX 200 Index</a> following the merger and the acquisition to maintain the number of index constituents.</li>
<li>Then there will be more changes for the S&amp;P/ASX 50 Index, S&amp;P/ASX 100 Index and <a href="https://www.smartkarma.com/entities/s-p-asx-200" target="_blank" data-smartkarma-citation="entities:22901:1" rel="noopener">S&amp;P/ASX 200 Index</a> at the December rebalance.</li>
</ul>


The Genesis Minerals (GMD AU)/ Vault Minerals Ltd (VAU AU) merger should complete mid-November while Steadfast (SDF AU)'s acquisition could complete by end-November.
There will be ad hoc inclusions for the S&amp;P/ASX 100 Index and S&amp;P/ASX 200 Index following the merger and the acquisition to maintain the number of index constituents.
Then there will be more changes for the S&amp;P/ASX 50 Index, S&amp;P/ASX 100 Index and S&amp;P/ASX 200 Index at the December rebalance.


S&P/ASX Indices: M&A-Driven Ad Hoc Changes in Nov & Impact on the Dec Rebalance

<ul>
<li>We analyzed the changes in short interest of ASX Stocks as of Sep 25th (reported today). The aggregated short interest was USD49.0bn.</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, Wesfarmers, Macquarie, Ampol, BHP.</li>
</ul>


We analyzed the changes in short interest of ASX Stocks as of Sep 25th (reported today). The aggregated short interest was USD49.0bn.
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, Wesfarmers, Macquarie, Ampol, BHP.


ASX Short Interest Weekly (Sep 25th): Steadfast, Wesfarmers, Macquarie, Ampol, BHP

Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

<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

Australia

IperionX Limited provides exploration and mining services. The Company developes of low carbon, sustainable, and critical material supply chains focused on advanced industries including space, aerospace, electric vehicles, and 3D printing. IperionX serves customers worldwide.

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IperionX Limited (IPX AU)

Aussie Shorts [28 Sep 2026]: BHP Group, Steadfast, Artrya, ECHOiQ, Catalyst Metals, Core Lithium

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

David Blennerhassett

ASX Short Interest Weekly (Oct 2nd): Northern Star Resources, Alcoa, Wesfarmers, Brambles, Suncorp

We analyzed ASX short interest report for the past week and highlight short interest changes in Northern Star Resources, Alcoa, Wesfarmers,...

Ke Yan, CFA, FRM

S&P/ASX Indices: M&A-Driven Ad Hoc Changes in Nov & Impact on the Dec Rebalance

The Genesis/Vault merger and the Steadfast acquisition are expected to complete in Nov. That leads to adhoc index inclusions and other flows. Then...

Brian Freitas

ASX Short Interest Weekly (Sep 25th): Steadfast, Wesfarmers, Macquarie, Ampol, BHP

We analyzed ASX short interest report for the past week and highlight short interest changes in Steadfast, Wesfarmers, Macquarie, Ampol, BHP.

Ke Yan, CFA, FRM

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

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