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 September rebalance of the Hang Seng family of indices will use today's closing prices to cap the index constituent weights.  </li>
<li>The net round-trip trade across all stocks across the five indices is estimated at HK$57.55bn (US$7.4bn). There is size to trade in a lot of stocks.</li>
<li>
<a href="https://www.smartkarma.com/entities/alibaba-group-holding-ltd-d7b798e2-202d-4e01-9a1e-799e2ae8f0c7" target="_blank" data-smartkarma-citation="entities:28434:1" rel="noopener">Alibaba (9988 HK)</a> has flipped from a net buy to a net sell following its huge rally yesterday.</li>
</ul>


The September rebalance of the Hang Seng family of indices will use today's closing prices to cap the index constituent weights.  
The net round-trip trade across all stocks across the five indices is estimated at HK$57.55bn (US$7.4bn). There is size to trade in a lot of stocks.

Alibaba (9988 HK) has flipped from a net buy to a net sell following its huge rally yesterday.


HSI, HSCEI, HSTECH, HSIII Index Rebalance: US$7.4bn of Flows Post Capping (Sep 2025)

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 analyze the weekly Hong Kong Connect flows with our data engine for holding position as of August 29th.</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 Meituan, Alibaba, Tencent, AIA, Pop Mart Intl, Kuaishou, SMIC, Xiaomi, CNOOC.</li>
</ul>


We analyze the weekly Hong Kong Connect flows with our data engine for holding position as of August 29th.
The top stocks by inflows and outflows were tabulated for all market, HSCEI, mid cap and s/mid cap groups.
We highlight flows for Meituan, Alibaba, Tencent, AIA, Pop Mart Intl, Kuaishou, SMIC, Xiaomi, CNOOC.


HK Connect Flows Weekly (Aug 29th): Meituan, Alibaba, Tencent, AIA, Pop Mart Intl, Kuaishou, SMIC

Pan-Asia Catalysts/Events, Quiddity Advisors

Travis Lundy

Pan-Asia Catalysts/Events

Quiddity Advisors

<ul>
<li>On Friday 22 August, the Hang Seng Index team announced the changes to the Hang Seng Internet and IT Index for the September 2025 rebalance.</li>
<li>There are 3 ADDs and 3 DELs. We predicted 2/3 ADDs and 3/3 DELs correctly. But Funding and FAF Re-weight/Capping flows are bigger than the ADD/DEL flows.</li>
<li>Then on Monday 25 August, the index provider announced a capping methodology change. Not much changes, but flows increase from US$850mm to US$1bn+. Tables and spreadsheets amended.</li>
</ul>


On Friday 22 August, the Hang Seng Index team announced the changes to the Hang Seng Internet and IT Index for the September 2025 rebalance.
There are 3 ADDs and 3 DELs. We predicted 2/3 ADDs and 3/3 DELs correctly. But Funding and FAF Re-weight/Capping flows are bigger than the ADD/DEL flows.
Then on Monday 25 August, the index provider announced a capping methodology change. Not much changes, but flows increase from US$850mm to US$1bn+. Tables and spreadsheets amended.


[Quiddity Index] Sep25 HS Internet & IT Index Review; Capping Methodology Changes, Flows 20% Higher

<ul>
<li>Last evening, Hang Seng announced a methodology change for the Hang Seng Internet &amp; Information Technology Index (HSIII Index) with implementation in two phases.</li>
<li>The capping methodology will be updated at the September rebalance and the turnover and sector requirements will be updated at the December rebalance.</li>
<li>The updated capping scheme increases turnover and flow in September, while there could be one constituent change for the index at the December rebalance.</li>
</ul>


Last evening, Hang Seng announced a methodology change for the Hang Seng Internet &amp; Information Technology Index (HSIII Index) with implementation in two phases.
The capping methodology will be updated at the September rebalance and the turnover and sector requirements will be updated at the December rebalance.
The updated capping scheme increases turnover and flow in September, while there could be one constituent change for the index at the December rebalance.


Hang Seng Internet & IT Index (HSIII): Methodology Change & Impact

<ul>
<li>On Friday 22 August, the Hang Seng Index team announced the changes to the Hang Seng Internet and IT Index for the September 2025 rebalance.</li>
<li>There are 3 ADDs and 3 DELs. We predicted 2/3 ADDs and 3/3 DELs correctly. </li>
<li>The funding flows and FAF re-weight flows are bigger than the ADD/DEL flows but there should be ~US$850mm to trade.</li>
</ul>


On Friday 22 August, the Hang Seng Index team announced the changes to the Hang Seng Internet and IT Index for the September 2025 rebalance.
There are 3 ADDs and 3 DELs. We predicted 2/3 ADDs and 3/3 DELs correctly. 
The funding flows and FAF re-weight flows are bigger than the ADD/DEL flows but there should be ~US$850mm to trade.


[Quiddity Index] Sep25 HS Internet & IT Index Review; Funding Flows Dominate in $850mm Trade

China

RoboSense is an AI-driven robotics technology company that provides industry-leading LiDAR sensors and perception solutions. The company's products are used in advanced driver assistance systems, autonomous driving, and various robotics applications. Founded in 2014, RoboSense is headquartered in Shenzhen, China.

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RoboSense (2498 HK)

HSI, HSCEI, HSTECH, HSIII Index Rebalance: US$7.4bn of Flows Post Capping (Sep 2025)

The Sep rebalance of the HSI, HSCEI, HSTECH, HSIII, HSHKBIO indices will use today's closing prices for capping. The round-trip trade across the...

Brian Freitas

HK Connect Flows Weekly (Aug 29th): Meituan, Alibaba, Tencent, AIA, Pop Mart Intl, Kuaishou, SMIC

We analyzed southbound Hong Kong connect flows in the past week and highlighted flows for Meituan, Alibaba, Tencent, AIA, Pop Mart Intl, Kuaishou,...

Ke Yan, CFA, FRM

[Quiddity Index] Sep25 HS Internet & IT Index Review; Capping Methodology Changes, Flows 20% Higher

A day after the Hang Seng announced the results of the Sep 2025 review of the HS Internet and Info Tech Index, they changed the methodology. Flows...

Travis Lundy

Hang Seng Internet & IT Index (HSIII): Methodology Change & Impact

Changes to the capping scheme increase turnover and flow in September. Introduction of minimum turnover and expansion of the universe could lead to...

Brian Freitas

[Quiddity Index] Sep25 HS Internet & IT Index Review; Funding Flows Dominate in $850mm Trade

The Hang Seng Internet & InfoTech Index review was announced Friday 22 August. Final weights set on 2 Sep, rebal on 5 Sep. 3 ADDs 3 DELs, mostly...

Travis Lundy

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