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

<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

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 21st September, published on the 25th September.</li>
<li>The largest industry net increase in the past week was A$0.3bn into "Diversified Metals"; the largest industry net decrease was A$0.3bn out of "Industrial REITs". Net shorts increased A$0.6bn week-on-week.</li>
<li>Companies mentioned in this regular weekly report include: <a href="https://www.smartkarma.com/entities/national-australia-bank-ltd" target="_blank" data-smartkarma-citation="entities:15:1" rel="noopener">NAB (NAB AU)</a>, <a href="https://www.smartkarma.com/entities/codan-ltd-australia" target="_blank" data-smartkarma-citation="entities:6189:1" rel="noopener">Codan (CDA AU)</a>, <a href="https://www.smartkarma.com/entities/the-lottery-corp-ltd" target="_blank" data-smartkarma-citation="entities:35970:1" rel="noopener">The Lottery Corporation (TLC AU)</a>, <a href="https://www.smartkarma.com/entities/minerals-260-ltd" target="_blank" data-smartkarma-citation="entities:34601:1" rel="noopener">Minerals 260 (MI6 AU)</a>, andb<a href="https://www.smartkarma.com/entities/sunrise-energy-metals-ltd" target="_blank" data-smartkarma-citation="entities:11810:1" rel="noopener">Sunrise Energy Metals (SRL 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 21st September, published on the 25th September.
The largest industry net increase in the past week was A$0.3bn into "Diversified Metals"; the largest industry net decrease was A$0.3bn out of "Industrial REITs". Net shorts increased A$0.6bn week-on-week.
Companies mentioned in this regular weekly report include: NAB (NAB AU), Codan (CDA AU), The Lottery Corporation (TLC AU), Minerals 260 (MI6 AU), andbSunrise Energy Metals (SRL AU).


Aussie Shorts [21 Sep 2026]: NAB, Codan, The Lottery Corp, Minerals 260, Sunrise Energy Metals

<ul>
<li>We analyzed the changes in short interest of ASX Stocks as of Sep 18th (reported today). The aggregated short interest was USD49.8bn.</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 Codan, Sunrise Energy Metals, TPG Telecom, Qbe Insurance, EQ Resources.</li>
</ul>


We analyzed the changes in short interest of ASX Stocks as of Sep 18th (reported today). The aggregated short interest was USD49.8bn.
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 Codan, Sunrise Energy Metals, TPG Telecom, Qbe Insurance, EQ Resources.


ASX Short Interest Weekly (Sep 18th): Codan, Sunrise Energy Metals, TPG Telecom, Qbe Insurance

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>There could be 2 changes for the ASX50, 1 for the ASX100, 6 for the S&amp;P/ASX 200 and 16 adds/11 deletes for the ASX300 in September.</li>
<li>Passive trackers will need to trade a lot of stock in the forecast changes, with the impact being especially large for the changes to the ASX200 and ASX300 indices.</li>
<li>The forecast adds have outperformed the forecast deletes over the last few months, but outperformance has reduced for the ASX50/ASX200 indices and has increased for the ASX100/ASX300 indices.</li>
</ul>


There could be 2 changes for the ASX50, 1 for the ASX100, 6 for the S&amp;P/ASX 200 and 16 adds/11 deletes for the ASX300 in September.
Passive trackers will need to trade a lot of stock in the forecast changes, with the impact being especially large for the changes to the ASX200 and ASX300 indices.
The forecast adds have outperformed the forecast deletes over the last few months, but outperformance has reduced for the ASX50/ASX200 indices and has increased for the ASX100/ASX300 indices.


S&P/​​​​​​​​​ASX Index Rebalance Preview (Sep 26): Plenty of Change with Big Flow & Impact

Australia

Artrya Limited operates as an artificial intelligence healthcare company. The Company works alongside clinicians to improve the diagnosis of coronary heart disease and develop a holistic overview of a patient. Artrya serves customers in Australia.

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Artrya (AYA AU)

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

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

Aussie Shorts [21 Sep 2026]: NAB, Codan, The Lottery Corp, Minerals 260, Sunrise Energy Metals

The largest industry net increase in the past week was A$0.3bn into "Diversified Metals"; the largest industry net decrease was A$0.3bn out of...

David Blennerhassett

ASX Short Interest Weekly (Sep 18th): Codan, Sunrise Energy Metals, TPG Telecom, Qbe Insurance

We analyzed ASX short interest report for the past week and highlight short interest changes in Codan, Sunrise Energy Metals, TPG Telecom, Qbe...

Ke Yan, CFA, FRM

S&P/ASX Index Rebalance Preview (Sep 26): Plenty of Change with Big Flow & Impact

There could be 45 changes across the ASX family of indices in Sept. Passive trackers need to trade a lot of stock in many names. Short interest is...

Brian Freitas

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Market Cap (USDm)

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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

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

Aussie Shorts [21 Sep 2026]: NAB, Codan, The Lottery Corp, Minerals 260, Sunrise Energy Metals

The largest industry net increase in the past week was A$0.3bn into "Diversified Metals"; the largest industry net decrease was A$0.3bn out of...

David Blennerhassett

ASX Short Interest Weekly (Sep 18th): Codan, Sunrise Energy Metals, TPG Telecom, Qbe Insurance

We analyzed ASX short interest report for the past week and highlight short interest changes in Codan, Sunrise Energy Metals, TPG Telecom, Qbe...

Ke Yan, CFA, FRM

S&P/​​​​​​​​​ASX Index Rebalance Preview (Sep 26): Plenty of Change with Big Flow & Impact

There could be 45 changes across the ASX family of indices in Sept. Passive trackers need to trade a lot of stock in many names. Short interest is...

Brian Freitas

S&P/ASX Index Rebalance Preview (Sep 26): Plenty of Change with Big Flow & Impact