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 will be 3 changes for the Hang Seng Internet &amp; Information Technology Index (HSIII Index) at the September rebalance. </li>
<li>Estimated one-way turnover at the rebalance is 10.3% resulting in a round-trip trade of HK$6.4bn (US$818m). There are a bunch of stocks with over 0.5x ADV to trade.</li>
<li>There is a huge FAF increase for <a href="https://www.smartkarma.com/entities/horizon-robotics-inc" target="_blank" data-smartkarma-citation="entities:35637:1" rel="noopener">Horizon Robotics</a> and that will bring passive buying from the <a href="https://www.smartkarma.com/entities/hang-seng-tech-index" target="_blank" data-smartkarma-citation="entities:31367:1" rel="noopener">HSTECH</a> trackers too. The stock is being added to a global index on Tuesday.</li>
</ul>


There will be 3 changes for the Hang Seng Internet &amp; Information Technology Index (HSIII Index) at the September rebalance. 
Estimated one-way turnover at the rebalance is 10.3% resulting in a round-trip trade of HK$6.4bn (US$818m). There are a bunch of stocks with over 0.5x ADV to trade.
There is a huge FAF increase for Horizon Robotics and that will bring passive buying from the HSTECH trackers too. The stock is being added to a global index on Tuesday.


Hang Seng Internet & IT Index (HSIII) Rebalance: 3 Changes; Big FAF Increase for Horizon Robotics

<ul>
<li>Hang Seng Indexes announces changes to the <a href="https://www.smartkarma.com/entities/hong-kong-hang-seng-index" target="_blank" data-smartkarma-citation="entities:22899:1" rel="noopener">Hang Seng Index</a>, <a href="https://www.smartkarma.com/entities/hang-seng-china-enterprises-index" target="_blank" data-smartkarma-citation="entities:22900:1" rel="noopener">Hang Seng China Enterprises Index</a>, <a href="https://www.smartkarma.com/entities/hang-seng-tech-index" target="_blank" data-smartkarma-citation="entities:31367:1" rel="noopener">Hang Seng TECH Index</a>, HSIII Index, HSHKBIO Index and HSCI Index post market close tomorrow.</li>
<li>The net round-trip trade across the stocks is estimated to be HK$54.3bn (US$6.9bn) with big impact in a lot of names.</li>
<li>The largest inflows will be in <a href="https://www.smartkarma.com/entities/geely-automobile-holdings-ltd" target="_blank" data-smartkarma-citation="entities:127:1" rel="noopener">Geely Auto</a> if added to the <a href="https://www.smartkarma.com/entities/hang-seng-tech-index" target="_blank" data-smartkarma-citation="entities:31367:1" rel="noopener">HSTECH</a>, <a href="https://www.smartkarma.com/entities/pop-mart-international-group-l" target="_blank" data-smartkarma-citation="entities:29016:1" rel="noopener">Pop Mart</a> if added to 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/hong-kong-hang-seng-index" target="_blank" data-smartkarma-citation="entities:22899:1" rel="noopener">HSI</a>, and <a href="https://www.smartkarma.com/entities/horizon-robotics-inc" target="_blank" data-smartkarma-citation="entities:35637:1" rel="noopener">Horizon Robotics</a> due to a FAF increase.</li>
</ul>


Hang Seng Indexes announces changes to the Hang Seng Index, Hang Seng China Enterprises Index, Hang Seng TECH Index, HSIII Index, HSHKBIO Index and HSCI Index post market close tomorrow.
The net round-trip trade across the stocks is estimated to be HK$54.3bn (US$6.9bn) with big impact in a lot of names.
The largest inflows will be in Geely Auto if added to the HSTECH, Pop Mart if added to the HSCEI and HSI, and Horizon Robotics due to a FAF increase.


Hang Seng Indexes: Announcement Tomorrow; Potential Changes & Updated Flows

Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

<ul>
<li>The Hang Seng Internet &amp; IT (HSIII) index represents the top 30 stocks related to internet and information technology businesses listed in Hong Kong (HKEX).</li>
<li>We see three ADDs and three DELs and one float percentage revision which could collectively trigger roughly US$428mn in one-way index flows in September 2025.</li>
<li>The index changes will be announced after the close on Friday 22nd August 2025.</li>
</ul>


The Hang Seng Internet &amp; IT (HSIII) index represents the top 30 stocks related to internet and information technology businesses listed in Hong Kong (HKEX).
We see three ADDs and three DELs and one float percentage revision which could collectively trigger roughly US$428mn in one-way index flows in September 2025.
The index changes will be announced after the close on Friday 22nd August 2025.


Quiddity Leaderboard HSIII Sep25: Announcement This Week; 3 Changes Likely

<ul>
<li>There are 3 potential changes for the HSIII Index in September. There are couple of names that are close to the inclusion/ deletion thresholds.</li>
<li>The largest inflows will go to <a href="https://www.smartkarma.com/entities/horizon-robotics-inc" target="_blank" data-smartkarma-citation="entities:35637:1" rel="noopener">Horizon Robotics (9660 HK)</a> following lock-up expiry that increases the Free-Float Adjusted Factor (FAF) by a factor of 7-8x.</li>
<li>There are large capping changes too and the estimated one-way turnover is 9.8% resulting in a round-trip trade of HK$5.65bn (US$720m).</li>
</ul>


There are 3 potential changes for the HSIII Index in September. There are couple of names that are close to the inclusion/ deletion thresholds.
The largest inflows will go to Horizon Robotics (9660 HK) following lock-up expiry that increases the Free-Float Adjusted Factor (FAF) by a factor of 7-8x.
There are large capping changes too and the estimated one-way turnover is 9.8% resulting in a round-trip trade of HK$5.65bn (US$720m).


Hang Seng Internet & IT Index (HSIII) Rebalance Preview: Constituent, FAF & Capping Changes

<ul>
<li>The Hang Seng Internet &amp; IT (HSIII) index represents the top 30 stocks related to internet and information technology businesses listed in Hong Kong (HKEX).</li>
<li>In this insight, we take a look at the final rankings of potential ADDs and potential DELs for the September 2025 index rebal event.</li>
<li>We see three ADDs/DELs and one float percentage revision which could collectively trigger roughly US$364mn in one-way index flows in September 2025.</li>
</ul>


The Hang Seng Internet &amp; IT (HSIII) index represents the top 30 stocks related to internet and information technology businesses listed in Hong Kong (HKEX).
In this insight, we take a look at the final rankings of potential ADDs and potential DELs for the September 2025 index rebal event.
We see three ADDs/DELs and one float percentage revision which could collectively trigger roughly US$364mn in one-way index flows in September 2025.


Quiddity Leaderboard HSIII Sep25: Three Changes Likely; US$364mn One-Way Flows

China

NetDragon Websoft is a global leader in online community development, with a strong focus on online gaming and educational technology. The company develops and operates online games like Eudemons Online and Conquer Online, and provides online education platforms and smart classroom solutions, often integrating AI and VR technologies through its subsidiary Mynd.ai. It was founded in 1999 and is headquartered in Fuzhou, China.

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NetDragon Websoft (777 HK)

Hang Seng Internet & IT Index (HSIII) Rebalance: 3 Changes; Big FAF Increase for Horizon Robotics

There are 3 changes for the HSIII in Sep. Big FAF increase for Horizon Robotics - a lot to trade in the stock over the next 2 weeks. Estimated 1...

Brian Freitas

Hang Seng Indexes: Announcement Tomorrow; Potential Changes & Updated Flows

Hang Seng announces after market close on Friday. The net round-trip trade across the stocks is estimated at HK$54.3bn. There is positioning in the...

Brian Freitas

Quiddity Leaderboard HSIII Sep25: Announcement This Week; 3 Changes Likely

Expected DEL Netdragon is down 7% vs peers since 15th May. However, there is significant volume buildup. The expectations of an HSIII deletion...

Janaghan Jeyakumar, CFA

Hang Seng Internet & IT Index (HSIII) Rebalance Preview: Constituent, FAF & Capping Changes

There could be 3 constituent changes in Sep. A big FAF increase is forecast for Horizon Robotics. Plenty of capping changes. Put together, that...

Brian Freitas

Quiddity Leaderboard HSIII Sep25: Three Changes Likely; US$364mn One-Way Flows

The three expected index changes have remained fixed since the last time we published an insight on HSIII in mid-June. Expected DEL Netdragon could...

Janaghan Jeyakumar, CFA

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