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 2026 index rebal event were announced after market close on Friday 4th September 2026.</li>
<li>There are 24 ADDs and 21 DELs collectively for ASX 20, 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 2026 index rebal event were announced after market close on Friday 4th September 2026.
There are 24 ADDs and 21 DELs collectively for ASX 20, 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 Sep26 Results: 92% of Predictions Correct; More Changes for ASX 300 than We Expected

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 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

Investment Strategist, CEO, Hokkaido Asset Management

Benjamin Pedley

Investment Strategist, CEO

Hokkaido Asset Management

Thematic (Sector/Industry)

When it comes to stock themes it helps to have a simple story that makes sense to investors both experienced and new, and that’s why the nascent rally in Australian cobalt stocks is so compelling and looks to have a long, long way to run due to a structural supply shortage. You see cobalt, not a well-known metal outside of those in the mining industry, is typically the by-product of mining nickel and is a key component of new generation batteries that are being used to power electric vehicles (EVs). When you think battery technology you must think of cobalt.Indeed, according to the US Geological Survey much of the demand for cobalt, roughly 49%, is driven by batteries in cellphones and <a href="https://www.theguardian.com/environment/2017/jul/29/electric-cars-battery-manufacturing-cobalt-mining" target="_blank">increasingly self-driving cars</a>. As evidence of this, <a href="https://www.reuters.com/article/us-volkswagen-cobalt-evs-exclusive/exclusive-vw-moves-to-secure-cobalt-supplies-in-shift-to-electric-cars-idUSKCN1BX1RE" target="_blank">Volkswagen in September put out a tender</a> for a direct cobalt supplier for ten years from 2019. That makes it one of the largest procurement projects in the automotive industry, VW said, signaling a US$24 billion shift to electric vehicles.

When it comes to stock themes it helps to have a simple story that makes sense to investors both experienced and new, and that’s why the nascent rally in Australian cobalt stocks is so compelling and looks to have a long, long way to run due to a structural supply shortage. You see cobalt, not a well-known metal outside of those in the mining industry, is typically the by-product of mining nickel and is a key component of new generation batteries that are being used to power electric vehicles (EVs). When you think battery technology you must think of cobalt.Indeed, according to the US Geological Survey much of the demand for cobalt, roughly 49%, is driven by batteries in cellphones and increasingly self-driving cars. As evidence of this, Volkswagen in September put out a tender for a direct cobalt supplier for ten years from 2019. That makes it one of the largest procurement projects in the automotive industry, VW said, signaling a US$24 billion shift to electric vehicles.

EV Batteries Power Up Cobalt Small Caps Down Under

Frontier and emerging markets (Vietnam)

Dylan Waller

Nomadic Equity

Today I am speaking with Simon Skerrett, COO and Co-founder of CommStream Capital Limited, Australia's first agricultural streaming company which partners with progressive farmers to provide capital solutions to fund productivity growth and innovation.With drastic shortages of capital in Australian farming, CommStream leverages its industry expertise and relationships to bring farmers an overdue, innovative financing solution, which drives productivity growth and helps fund generational…

Today I am speaking with Simon Skerrett, COO and Co-founder of CommStream Capital Limited, Australia's first agricultural streaming company which partners with progressive farmers to provide capital solutions to fund productivity growth and innovation.With drastic shortages of capital in Australian farming, CommStream leverages its industry expertise and relationships to bring farmers an overdue, innovative financing solution, which drives productivity growth and helps fund generational…

CommStream Capital Limited Interview: Insight From Australia's First Agricultural Streaming Company

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

Australia

Sunrise Energy Metals Limited provides proprietary ion-exchange extraction and purification processing technology solutions. The Company develops and commercializes technologies for metals recovery and industrial water treatment that recycle polluted water for drinking, agricultural, recreational, and industrial use. Sunrise Energy Metals serves customers worldwide.

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Sunrise Energy Metals (SRL AU)

Quiddity ASX Sep26 Results: 92% of Predictions Correct; More Changes for ASX 300 than We Expected

Most of the confirmed index changes have multiple days of volume to trade. The ASX 300 ADDs/DELs have comparatively insignificant flow sizes.

Janaghan Jeyakumar, CFA

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

EV Batteries Power Up Cobalt Small Caps Down Under

When it comes to stock themes it helps to have a simple story that makes sense to investors both experienced and new, and that’s why the nascent...

Benjamin Pedley

CommStream Capital Limited Interview: Insight From Australia's First Agricultural Streaming Company

Today I am speaking with Simon Skerrett, COO and Co-founder of CommStream Capital Limited, Australia's first agricultural streaming company which...

Nomadic Equity

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

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Quiddity ASX Sep26 Results: 92% of Predictions Correct; More Changes for ASX 300 than We Expected

Most of the confirmed index changes have multiple days of volume to trade. The ASX 300 ADDs/DELs have comparatively insignificant flow sizes.

Janaghan Jeyakumar, CFA

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

EV Batteries Power Up Cobalt Small Caps Down Under

When it comes to stock themes it helps to have a simple story that makes sense to investors both experienced and new, and that’s why the nascent...

Benjamin Pedley

CommStream Capital Limited Interview: Insight From Australia's First Agricultural Streaming Company

Today I am speaking with Simon Skerrett, COO and Co-founder of CommStream Capital Limited, Australia's first agricultural streaming company which...

Nomadic Equity

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

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