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

Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

<ul>
<li>In this insight, we take a look at the potential index changes for ASX 300, 200, 100, 50, and 20 in the run-up to the September 2026 index rebal event.</li>
<li>There are several ADDs/DELs expected across these indices with some names still close to the border.</li>
<li>The <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> - <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> deal is likely to trigger a wide range of passive flows across multiple index families.</li>
</ul>


In this insight, we take a look at the potential index changes for ASX 300, 200, 100, 50, and 20 in the run-up to the September 2026 index rebal event.
There are several ADDs/DELs expected across these indices with some names still close to the border.
The Vault Minerals Ltd (VAU AU) - Genesis Minerals (GMD AU) deal is likely to trigger a wide range of passive flows across multiple index families.


Quiddity Leaderboard ASX Sep26: Vault-Genesis Index Implications & Many Regular High-Impact Changes

<ul>
<li>In this insight, we take a look at the potential index changes for ASX 300, 200, 100, 50, and 20 in the run-up to the September 2026 index rebal event.</li>
<li>We expect two changes for ASX 50, one change for ASX 100, and eight changes for ASX 200. Separately, we see 13 ADDs and 11 DELs for ASX 300.</li>
<li>There are still a couple of months left in the reference period which means our expectations may change.</li>
</ul>


In this insight, we take a look at the potential index changes for ASX 300, 200, 100, 50, and 20 in the run-up to the September 2026 index rebal event.
We expect two changes for ASX 50, one change for ASX 100, and eight changes for ASX 200. Separately, we see 13 ADDs and 11 DELs for ASX 300.
There are still a couple of months left in the reference period which means our expectations may change.


Quiddity Leaderboard ASX Sep26: Qube Deal Consequences + Many Other High-Impact Index Changes

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 27th March, published ~9AM on the 2nd April.</li>
<li>The largest industry net increase in the past week was into "Diversified Metals &amp; Mining"; the largest industry net decrease was out of "Diversified Banks". Net shorts increased A$1.7bn 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 (BHP AU)</a>, <a href="https://www.smartkarma.com/entities/nextdc-ltd" target="_blank" data-smartkarma-citation="entities:8570:1" rel="noopener">Nextdc (NXT AU)</a><a href="https://www.smartkarma.com/entities/nextdc-ltd" target="_blank" data-smartkarma-citation="entities:8570:1" rel="noopener"></a>, <a href="https://www.smartkarma.com/entities/flight-centre-travel-group-l" target="_blank" data-smartkarma-citation="entities:7537:1" rel="noopener">Flight Centre Travel (FLT AU)</a>, <a href="https://www.smartkarma.com/entities/web-travel-group-limited" target="_blank" data-smartkarma-citation="entities:17059:1" rel="noopener">WEB Travel  (WEB AU)</a>, <a href="https://www.smartkarma.com/entities/bapcor-ltd" target="_blank" data-smartkarma-citation="entities:8433:1" rel="noopener">Bapcor (BAP 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 27th March, published ~9AM on the 2nd April.
The largest industry net increase in the past week was into "Diversified Metals &amp; Mining"; the largest industry net decrease was out of "Diversified Banks". Net shorts increased A$1.7bn week-on-week.
Companies mentioned in this regular weekly report include: BHP (BHP AU), Nextdc (NXT AU), Flight Centre Travel (FLT AU), WEB Travel  (WEB AU), Bapcor (BAP AU), and Wisetech Global (WTC AU)



Aussie Shorts (27th Mar 2026): BHP, Nextdc, Flight Centre, WEB Travel, Bapcor, Wisetech Global

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

DZT Research

DZT 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 Mar 27th (reported today). The aggregated short interest was USD36.5bn.</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 Suncorp, Medibank Private, Macquarie, Technology One, Whitehaven Coal.</li>
</ul>


We analyzed the changes in short interest of ASX Stocks as of Mar 27th (reported today). The aggregated short interest was USD36.5bn.
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 Suncorp, Medibank Private, Macquarie, Technology One, Whitehaven Coal.


ASX Short Interest Weekly (Mar 27th): Suncorp, Medibank Private, Macquarie, Technology One

Australia

Weebit Nano Ltd develops a silicon oxide resistive random access memory technology for the semiconductor industry. The Company's products are used in various applications, such as in smartphones and tablets, healthcare, automotive, storable content, and cloud data center device connectivity. Weebit Nano operates in Australia and Israel.

Price Gauge
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Weebit Nano Ltd (WBT AU)

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

Quiddity Leaderboard ASX Sep26: Vault-Genesis Index Implications & Many Regular High-Impact Changes

We see 43 index changes for the ASX family during the regular index review in September 2026. Most of these index changes have decent flow size and...

Janaghan Jeyakumar, CFA

Quiddity Leaderboard ASX Sep26: Qube Deal Consequences + Many Other High-Impact Index Changes

All ASX 200 expected ADDs/DELs have fairly high-impact with multiple days of volume to trade. Most names have 6x-23x ADV to trade.

Janaghan Jeyakumar, CFA

Aussie Shorts (27th Mar 2026): BHP, Nextdc, Flight Centre, WEB Travel, Bapcor, Wisetech Global

Net shorts increased A$1.7bn week-on-week. Companies mentioned in this regular weekly report include: BHP, Nextdc, Flight Centre Travel, WEB...

David Blennerhassett

ASX Short Interest Weekly (Mar 27th): Suncorp, Medibank Private, Macquarie, Technology One

We analyzed ASX short interest report for the past week and highlight short interest changes in Suncorp, Medibank Private, Macquarie, Technology...

Ke Yan, CFA, FRM

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)

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

Quiddity Leaderboard ASX Sep26: Vault-Genesis Index Implications & Many Regular High-Impact Changes

We see 43 index changes for the ASX family during the regular index review in September 2026. Most of these index changes have decent flow size and...

Janaghan Jeyakumar, CFA

Quiddity Leaderboard ASX Sep26: Qube Deal Consequences + Many Other High-Impact Index Changes

All ASX 200 expected ADDs/DELs have fairly high-impact with multiple days of volume to trade. Most names have 6x-23x ADV to trade.

Janaghan Jeyakumar, CFA

Aussie Shorts (27th Mar 2026): BHP, Nextdc, Flight Centre, WEB Travel, Bapcor, Wisetech Global

Net shorts increased A$1.7bn week-on-week. Companies mentioned in this regular weekly report include: BHP, Nextdc, Flight Centre Travel, WEB...

David Blennerhassett

ASX Short Interest Weekly (Mar 27th): Suncorp, Medibank Private, Macquarie, Technology One

We analyzed ASX short interest report for the past week and highlight short interest changes in Suncorp, Medibank Private, Macquarie, Technology...

Ke Yan, CFA, FRM

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