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>The changes to the Hang Seng family of indices were announced post market close on Friday - final capping will use closing prices from 2 June.</li>
<li>There are 3 adds for the <a href="https://www.smartkarma.com/entities/hong-kong-hang-seng-index" target="_blank" data-smartkarma-citation="entities:22899:1" rel="noopener">HSI</a>, 2 changes each for the<a href="https://www.smartkarma.com/entities/hang-seng-china-enterprises-index" target="_blank" data-smartkarma-citation="entities:22900:1" rel="noopener"> HSCEI</a> and <a href="https://www.smartkarma.com/entities/hang-seng-tech-index" target="_blank" data-smartkarma-citation="entities:31367:1" rel="noopener">HSTECH</a>, 1 change for the HSBIO Index and 7 adds for the HSCI Index.</li>
<li>There will be positioning in most stocks but there could be continued positioning in the names that will be added to Southbound Stock Connect.</li>
</ul>


The changes to the Hang Seng family of indices were announced post market close on Friday - final capping will use closing prices from 2 June.
There are 3 adds for the HSI, 2 changes each for the HSCEI and HSTECH, 1 change for the HSBIO Index and 7 adds for the HSCI Index.
There will be positioning in most stocks but there could be continued positioning in the names that will be added to Southbound Stock Connect.


Hang Seng Indexes: Changes Lead to US$6.6bn Trade; Plus Stock Connect & Global Index Inclusions

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.

<ul>
<li>Hang Seng announced Hansoh Pharma and Akeso as ADDs, and Sunny Optical and Haier Smart Home as DELETEs, effective 8 Jun 2026.</li>
<li>Our 23 Apr forecast called both DELETEs and Hansoh Pharma, but WuXi Biologics was not announced and Akeso was not in the formal slate.</li>
<li>Both ADD names fell through pre-announcement window and entered the bridge window with negative pre-announcement returns, below the historical ADD pre-announcement return.</li>
</ul>


Hang Seng announced Hansoh Pharma and Akeso as ADDs, and Sunny Optical and Haier Smart Home as DELETEs, effective 8 Jun 2026.
Our 23 Apr forecast called both DELETEs and Hansoh Pharma, but WuXi Biologics was not announced and Akeso was not in the formal slate.
Both ADD names fell through pre-announcement window and entered the bridge window with negative pre-announcement returns, below the historical ADD pre-announcement return.


HSCEI June 2026 Index Rebalance: Post-Announcement Positioning

Quantitative Analysis

<ul>
<li>We analyze the weekly Hong Kong Connect flows with our data engine for holding position as of May 22nd.</li>
<li>The top stocks by inflows and outflows were tabulated for all market, HSCEI, mid cap and s/mid cap groups.</li>
<li>We highlight flows for Alibaba, China Life, China Mobile, PICC P&amp;C, SMIC, Tencent, Geely Automobile, Xiaomi, Meituan, AIA.</li>
</ul>


We analyze the weekly Hong Kong Connect flows with our data engine for holding position as of May 22nd.
The top stocks by inflows and outflows were tabulated for all market, HSCEI, mid cap and s/mid cap groups.
We highlight flows for Alibaba, China Life, China Mobile, PICC P&amp;C, SMIC, Tencent, Geely Automobile, Xiaomi, Meituan, AIA.


HK Connect Flows Weekly (May 22nd): Alibaba, China Life, China Mobile, PICC P&C, SMIC, Tencent

<ul>
<li>We screen the HSCEI eligible universe for the upcoming May 2026 review.</li>
<li>Two exclusions and two inclusions, all rule-driven under the rank &gt; 60 / rank &lt;= 40 boundaries.</li>
<li>WuXi Bio is a mandatory top-40 add; Hansoh Pharma is the contingent buffer-zone fill.</li>
</ul>


We screen the HSCEI eligible universe for the upcoming May 2026 review.
Two exclusions and two inclusions, all rule-driven under the rank &gt; 60 / rank &lt;= 40 boundaries.
WuXi Bio is a mandatory top-40 add; Hansoh Pharma is the contingent buffer-zone fill.


Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

<ul>
<li>The HSCEI index review results for June 2026 will be announced after market close on Friday 22nd May 2026.</li>
<li>In this insight, we have revisited our final expectations for ADDs/DELs and presented our latest capping flow expectations.</li>
<li>We estimate there to be one-way flows of around US$196mn. The capping flow expectations can change until early-June 2026.</li>
</ul>


The HSCEI index review results for June 2026 will be announced after market close on Friday 22nd May 2026.
In this insight, we have revisited our final expectations for ADDs/DELs and presented our latest capping flow expectations.
We estimate there to be one-way flows of around US$196mn. The capping flow expectations can change until early-June 2026.


Quiddity Leaderboard HSCEI Jun26: Announcement Next Week; US$196mn One-Way

China

Haier Smart Home is a global leader in the research, development, manufacturing, and sales of smart home appliances, including refrigerators, washing machines, air conditioners, and kitchen appliances. The company also provides smart home scene solutions and related services. It was founded in 1984 and is headquartered in Qingdao, China.

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Haier Smart Home (6690 HK)

Hang Seng Indexes: Changes Lead to US$6.6bn Trade; Plus Stock Connect & Global Index Inclusions

There are a number of constituent, float and capping changes for the Hang Seng family, leading to a US$6.6bn trade. Stock Connect additions, lock...

Brian Freitas

HSCEI June 2026 Index Rebalance: Post-Announcement Positioning

HSCEI June 2026 post-announcement cycle is underway. Both ADDs posted negative pre-announcement returns. DELETE's post-announcement gap is the key...

Ke Yan, CFA, FRM

HK Connect Flows Weekly (May 22nd): Alibaba, China Life, China Mobile, PICC P&C, SMIC, Tencent

We analyzed southbound Hong Kong connect flows in the past week and highlighted flows for Alibaba, China Life, China Mobile, PICC P&C, SMIC,...

Ke Yan, CFA, FRM

HSCEI May 2026 Index Review Forecast

HSCEI May 2026 rebalance announcement due after market close today: a good time to revisit our review forecast as the decision approaches.

Ke Yan, CFA, FRM

Quiddity Leaderboard HSCEI Jun26: Announcement Next Week; US$196mn One-Way

From 3rd April 2026 close to 8th May 2026 close, the pair suggested in the previous insight would have generated an average return of approximately...

Janaghan Jeyakumar, CFA

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