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 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

New Zealand Professional Investment Services Firm, Forsyth Barr

Forsyth Barr

New Zealand Professional Investment Services Firm

We are proud to be a New Zealand owned firm, with 21 offices throughout the country and over 300 employees. We assist personal, institutional and corporate clients providing a full range of investment services.

Forsyth Barr is a foundation New Zealand Exchange firm (NZX) and accredited market participant. We have been confirmed by the Financial Markets Authority as a Qualifying Financial Entity (QFE).

Research is the cornerstone of our advice. We have one of New Zealand's leading teams of analysts. Our global affiliations ensure comprehensive research coverage of all major investment markets.

Equity Bottom-Up

<ul><li>Tower (TWR) has renewed its reinsurance programme for FY27 on improved terms, with both a stronger-than-expected cost outcome and higher coverage.</li><li>Management expects its reinsurance expense ratio to fall c.-110bp from FY26 to 9.5%, reflecting both favourable global reinsurance pricing conditions and further recognition of TWR’s expanded risk-based pricing and lower-risk targeting.</li><li>Alongside improved costs, TWR lifted its catastrophe protection while event excesses remained unchanged—the first time in five years the company has not seen an excess uplift.</li></ul>

Tower (TWR) has renewed its reinsurance programme for FY27 on improved terms, with both a stronger-than-expected cost outcome and higher coverage.Management expects its reinsurance expense ratio to fall c.-110bp from FY26 to 9.5%, reflecting both favourable global reinsurance pricing conditions and further recognition of TWR’s expanded risk-based pricing and lower-risk targeting.Alongside improved costs, TWR lifted its catastrophe protection while event excesses remained unchanged—the first time in five years the company has not seen an excess uplift.

Pan-Asia Catalysts/Events, Quiddity Advisors

David Blennerhassett

Pan-Asia Catalysts/Events

Quiddity Advisors

Event-Driven

Commonwealth Bank of Australia / 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 14th September, published on the 18th September.</li>
<li>The largest industry net increase in the past week was A$0.2bn into "Banks"; the largest industry net decrease was A$1bn out of "Diversified Metals". Net shorts decreased A$1.6bn week-on-week.</li>
<li>Companies mentioned in this regular weekly report include: <a href="https://www.smartkarma.com/entities/commonwealth-bank-of-australia" target="_blank" data-smartkarma-citation="entities:14:1" rel="noopener">CBA (CBA AU)</a>, <a href="https://www.smartkarma.com/entities/northern-star-resources-ltd" target="_blank" data-smartkarma-citation="entities:4243:1" rel="noopener">Northern Star Resources (NST AU)</a>, <a href="https://www.smartkarma.com/entities/westpac-banking-corp" target="_blank" data-smartkarma-citation="entities:444:1" rel="noopener">Westpac (WBC AU)</a>, <a href="https://www.smartkarma.com/entities/anz-group-holdings-ltd" target="_blank" data-smartkarma-citation="entities:40898:1" rel="noopener">ANZ (ANZ AU)</a>, <a href="https://www.smartkarma.com/entities/suncorp-group-ltd" target="_blank" data-smartkarma-citation="entities:4218:1" rel="noopener">Suncorp (SUN AU)</a>, and <a href="https://www.smartkarma.com/entities/sigma-healthcare-ltd" target="_blank" data-smartkarma-citation="entities:15966:1" rel="noopener">Sigma Healthcare (SIG 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 14th September, published on the 18th September.
The largest industry net increase in the past week was A$0.2bn into "Banks"; the largest industry net decrease was A$1bn out of "Diversified Metals". Net shorts decreased A$1.6bn week-on-week.
Companies mentioned in this regular weekly report include: CBA (CBA AU), Northern Star Resources (NST AU), Westpac (WBC AU), ANZ (ANZ AU), Suncorp (SUN AU), and Sigma Healthcare (SIG AU).


Aussie Shorts [14 Sep 2026]: CBA, Northern Star Resources, Westpac, ANZ, Suncorp, Sigma Healthcare

Derivatives and Quantitative Strategist

Gaudenz Schneider

<ul>
<li>
Context: This Insight follows up on previously highlighted relative value opportunities, using a statistical methodology based on mean-reversion to identify opportunities in paired securities.</li>
<li>
Highlights: In Australia, currently four pair trade opportunities persist across three sectors.</li>
<li>
Why read: Statistical analysis offers a unique perspective on relative value. Gain insights into actionable statistical pair trade opportunities and monitor performance of previously highlighted pairs.</li>
</ul>



Context: This Insight follows up on previously highlighted relative value opportunities, using a statistical methodology based on mean-reversion to identify opportunities in paired securities.

Highlights: In Australia, currently four pair trade opportunities persist across three sectors.

Why read: Statistical analysis offers a unique perspective on relative value. Gain insights into actionable statistical pair trade opportunities and monitor performance of previously highlighted pairs.


Australia: Relative Value Opportunities and Pair Trades (21 Sep 2026)

<ul>
<li>
Context: This Insight follows up on previously highlighted relative value opportunities, using a statistical methodology based on mean-reversion to identify opportunities in paired securities.</li>
<li>
Highlights: Currently seven pair trade opportunities persist across three markets and four sectors.
</li>
<li>
Why read: Statistical analysis offers a unique perspective on relative value. Gain insights into actionable statistical pair trade opportunities and monitor performance of previously highlighted pairs.</li>
</ul>



Context: This Insight follows up on previously highlighted relative value opportunities, using a statistical methodology based on mean-reversion to identify opportunities in paired securities.

Highlights: Currently seven pair trade opportunities persist across three markets and four sectors.


Why read: Statistical analysis offers a unique perspective on relative value. Gain insights into actionable statistical pair trade opportunities and monitor performance of previously highlighted pairs.


Relative Value Opportunities in Asia-Pac, Pair Trade Roundup (21 Sep 2026)

Australia

Westpac Banking Corporation offers general and savings banking services.  The Company provides investment portfolio management and advice, insurance services,  consumer finance, and money market services among other services.  Westpac Banking Corp. serves individuals, businesses, and corporations worldwide.

Price Gauge
52-week Range	0.00 - 0.00
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Westpac Banking (WBC AU)

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

Tower Limited Covering More for Less

Tower (TWR) has renewed its reinsurance programme for FY27 on improved terms, with both a stronger-than-expected cost outcome and higher...

Forsyth Barr

Aussie Shorts [14 Sep 2026]: CBA, Northern Star Resources, Westpac, ANZ, Suncorp, Sigma Healthcare

The largest industry net increase in the past week was A$0.2bn into "Banks"; the largest industry net decrease was A$1bn out of "Diversified...

David Blennerhassett

Australia: Relative Value Opportunities and Pair Trades (21 Sep 2026)

Discover four pair trade opportunities across three sectors using statistical mean-reversion methodology for actionable insights.

Gaudenz Schneider

Relative Value Opportunities in Asia-Pac, Pair Trade Roundup (21 Sep 2026)

Discover seven pair trade opportunities across three markets and four sectors using statistical mean-reversion methodology for actionable insights.

Gaudenz Schneider

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)

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

Tower Limited Covering More for Less

Tower (TWR) has renewed its reinsurance programme for FY27 on improved terms, with both a stronger-than-expected cost outcome and higher...

Forsyth Barr

Aussie Shorts [14 Sep 2026]: CBA, Northern Star Resources, Westpac, ANZ, Suncorp, Sigma Healthcare

The largest industry net increase in the past week was A$0.2bn into "Banks"; the largest industry net decrease was A$1bn out of "Diversified...

David Blennerhassett

Australia: Relative Value Opportunities and Pair Trades (21 Sep 2026)

​Discover four pair trade opportunities across three sectors using statistical mean-reversion methodology for actionable insights.

Gaudenz Schneider

Relative Value Opportunities in Asia-Pac, Pair Trade Roundup (21 Sep 2026)

​Discover seven pair trade opportunities across three markets and four sectors using statistical mean-reversion methodology for actionable insights.

Gaudenz Schneider

Discover four pair trade opportunities across three sectors using statistical mean-reversion methodology for actionable insights.

Discover seven pair trade opportunities across three markets and four sectors using statistical mean-reversion methodology for actionable insights.