Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

<ul>
<li>The ADDs/DELs for the ASX index family for the September 2025 index rebal event were announced after market close on Friday 5th September 2025. We got 44/47 predictions correct.</li>
<li>There are 25 ADDs and 30 DELs collectively for ASX 50, ASX 100, ASX 200, and ASX 300.</li>
<li>In this insight, we take a look at our final flow expectations for each of these confirmed index changes.</li>
</ul>


The ADDs/DELs for the ASX index family for the September 2025 index rebal event were announced after market close on Friday 5th September 2025. We got 44/47 predictions correct.
There are 25 ADDs and 30 DELs collectively for ASX 50, ASX 100, ASX 200, and ASX 300.
In this insight, we take a look at our final flow expectations for each of these confirmed index changes.


Quiddity ASX Sep25 Results: ADDs Up Vs DELs Post-Announcement; Positioning Might Be Significant

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

<ul>
<li>There is 1 change for the S&amp;P/ASX50 Index, 3 changes for the S&amp;P/ASX100 Index, 9 changes for the <a href="https://www.smartkarma.com/entities/s-p-asx-200" target="_blank" data-smartkarma-citation="entities:22901:1" rel="noopener">S&amp;P/ASX200 (AS51 INDEX)</a> and 17 adds/ 12 deletes for the S&amp;P/ASX300 Index.</li>
<li>Some of the index changes will also have same way flows from trackers of other global and sector indices on the same day.</li>
<li>The adds have outperformed the deletes across all indices and performance has been especially strong for the S&amp;P/ASX100 Index and S&amp;P/ASX300 Index changes.</li>
</ul>


There is 1 change for the S&amp;P/ASX50 Index, 3 changes for the S&amp;P/ASX100 Index, 9 changes for the S&amp;P/ASX200 (AS51 INDEX) and 17 adds/ 12 deletes for the S&amp;P/ASX300 Index.
Some of the index changes will also have same way flows from trackers of other global and sector indices on the same day.
The adds have outperformed the deletes across all indices and performance has been especially strong for the S&amp;P/ASX100 Index and S&amp;P/ASX300 Index changes.


S&P/​​​​ASX Index Rebalance (Sep 2025): New Methodology & The Many Changes

<ul>
<li>S&amp;P DJI have proposed methodology changes to the S&amp;P/ASX family of indices to enhance representativeness and more quickly reflect changing market conditions. The consultation conclusions could be announced next week.</li>
<li>The updated methodology could lead to 51 changes across the family of indices with implementation on 19 September. There will be a large impact on a number of stocks.</li>
<li>The forecast adds have outperformed the forecast deletes over the last several months and near-term performance has been spectacular for the <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 (AS51 INDEX)</a> and S&amp;P/ASX 300 Index changes.</li>
</ul>


S&amp;P DJI have proposed methodology changes to the S&amp;P/ASX family of indices to enhance representativeness and more quickly reflect changing market conditions. The consultation conclusions could be announced next week.
The updated methodology could lead to 51 changes across the family of indices with implementation on 19 September. There will be a large impact on a number of stocks.
The forecast adds have outperformed the forecast deletes over the last several months and near-term performance has been spectacular for the S&amp;P/ASX 200 (AS51 INDEX) and S&amp;P/ASX 300 Index changes.


S&P/​​​​​​​​​ASX Index Rebalance Preview (Sep 25): Potential Changes if Methodology Is Updated

Head of Research, IPOs & Placements, Aequitas Research

Sumeet Singh

Head of Research, IPOs & Placements

IPOs and Placements coverage across Asia Pacific

Aequitas Research

We cover all listing across the Asia Pacific along with follow-up placements. As of Dec 2020, our team had covered 539 IPOs with a hit rate of 73.5% and 685 placements with a hit rate of 66.8%.

We combine fundamental bottom-up views with our proprietary quantitative framework to provide a holistic coverage across new listings and placements. Our coverage includes pre-IPO notes before the deal is launched, follow-up analysis once the deal is live and post-listing trading analysis as well.

Equity Capital Markets

<ul>
<li>Aequitas Research's weekly update on the IPOs, placements, lockup expiry and other ECM linked events that were covered by the team over the past week.</li>
<li>On the IPO front,  a number of companies are lining up to start 2H listing season, which is likely to be one of the busiest over the past few years.</li>
<li>On the placements front as well, given ongoing earnings annoucement there were only one large placement last week.</li>
</ul>


Aequitas Research's weekly update on the IPOs, placements, lockup expiry and other ECM linked events that were covered by the team over the past week.
On the IPO front,  a number of companies are lining up to start 2H listing season, which is likely to be one of the busiest over the past few years.
On the placements front as well, given ongoing earnings annoucement there were only one large placement last week.


ECM Weekly (18 August 2025)- Eve Energy, CNGR, Will Semi, 52 Toys, JSW, Bluestone, Tuas, Hexaware

<ul>
<li>There were a few rebalance announcements in the last week and the <a href="https://www.smartkarma.com/entities/sse-science-and-technology-innovation-board-50-index" target="_blank" data-smartkarma-citation="entities:29279:1" rel="noopener">SSE STAR50 (STAR50 INDEX)</a> and STAR100 Index rebalances were implemented at the close on Friday.</li>
<li>There are a lot of rebalances that will be implemented at the close on the coming Thursday and Friday.</li>
<li>Another big week of inflows for onshore China ETFs with Central Huijin likely behind the big flows to ETFs tracking the <a href="https://www.smartkarma.com/entities/shanghai-shenzhen-csi-300-inde" target="_blank" data-smartkarma-citation="entities:22906:1" rel="noopener">Shanghai Shenzhen CSI 300 Inde (SHSZ300 INDEX)</a>. </li>
</ul>


There were a few rebalance announcements in the last week and the SSE STAR50 (STAR50 INDEX) and STAR100 Index rebalances were implemented at the close on Friday.
There are a lot of rebalances that will be implemented at the close on the coming Thursday and Friday.
Another big week of inflows for onshore China ETFs with Central Huijin likely behind the big flows to ETFs tracking the Shanghai Shenzhen CSI 300 Inde (SHSZ300 INDEX). 


Index Rebalance & ETF Flow Recap: NKY, ASX, CSI300, A50, STTF, LowVol30, Value Up

Australia

Tuas Limited operates as a telecom company. The Company offers wireless telecommunication solutions for mobile business. Tuas serves customers in Australia and Singapore.

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Tuas Ltd (TUA AU)

Quiddity ASX Sep25 Results: ADDs Up Vs DELs Post-Announcement; Positioning Might Be Significant

Collectively, we estimate total one-way flow of US$1.36bn for for ASX 50/100/200/300. There is significant volume build up for most of the high...

Janaghan Jeyakumar, CFA

S&P/ASX Index Rebalance (Sep 2025): New Methodology & The Many Changes

There are 53 stocks that are adds/deletes across the ASX family of indices. There are some surprises and big flow/impact across the changes. Adds...

Brian Freitas

S&P/ASX Index Rebalance Preview (Sep 25): Potential Changes if Methodology Is Updated

The review period for the September rebalance is done and the proposals in the market consultation will be implemented. That means a lot of change...

Brian Freitas

ECM Weekly (18 August 2025)- Eve Energy, CNGR, Will Semi, 52 Toys, JSW, Bluestone, Tuas, Hexaware

Aequitas Research's weekly update on the IPOs, placements, lockup expiry and other ECM linked events that were covered by the team over the past week.

Sumeet Singh

Index Rebalance & ETF Flow Recap: NKY, ASX, CSI300, A50, STTF, LowVol30, Value Up

This recap highlights Insights covering Asian index rebalances (announcements/ forecasts/ IPO Fast Entry/ M&A driven changes). We also highlight...

Brian Freitas

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Quiddity ASX Sep25 Results: ADDs Up Vs DELs Post-Announcement; Positioning Might Be Significant

Collectively, we estimate total one-way flow of US$1.36bn for for ASX 50/100/200/300. There is significant volume build up for most of the high...

Janaghan Jeyakumar, CFA

S&P/​​​​ASX Index Rebalance (Sep 2025): New Methodology & The Many Changes

There are 53 stocks that are adds/deletes across the ASX family of indices. There are some surprises and big flow/impact across the changes. Adds...

Brian Freitas

S&P/​​​​​​​​​ASX Index Rebalance Preview (Sep 25): Potential Changes if Methodology Is Updated

The review period for the September rebalance is done and the proposals in the market consultation will be implemented. That means a lot of change...

Brian Freitas

ECM Weekly (18 August 2025)- Eve Energy, CNGR, Will Semi, 52 Toys, JSW, Bluestone, Tuas, Hexaware

Aequitas Research's weekly update on the IPOs, placements, lockup expiry and other ECM linked events that were covered by the team over the past week.

Sumeet Singh

Index Rebalance & ETF Flow Recap: NKY, ASX, CSI300, A50, STTF, LowVol30, Value Up

This recap highlights Insights covering Asian index rebalances (announcements/ forecasts/ IPO Fast Entry/ M&A driven changes). We also highlight...

Brian Freitas

S&P/ASX Index Rebalance (Sep 2025): New Methodology & The Many Changes

S&P/ASX Index Rebalance Preview (Sep 25): Potential Changes if Methodology Is Updated