Pan-Asia Catalysts/Events, Quiddity Advisors

Travis Lundy

Pan-Asia Catalysts/Events

Quiddity Advisors

Index Rebalance

<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>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

<ul>
<li>On Friday 22 August, the Hang Seng Index team announced the changes to the Hang Seng Technology Index for the September 2025 rebalance.</li>
<li>Team Quiddity had one low conviction ADD/DEL pair "predicted" but there were no name changes announced. </li>
<li>
<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> is a big FAF upweight, as expected. There are other small changes and big capping/re-capping moves. We see US$3.9bn to trade.</li>
</ul>


On Friday 22 August, the Hang Seng Index team announced the changes to the Hang Seng Technology Index for the September 2025 rebalance.
Team Quiddity had one low conviction ADD/DEL pair "predicted" but there were no name changes announced. 

Horizon Robotics (9660 HK) is a big FAF upweight, as expected. There are other small changes and big capping/re-capping moves. We see US$3.9bn to trade.


[Quiddity Index] Sep25 HSTECH Review Announced; No Name Changes, Big Flows

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 are no constituent changes for the <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 (HSTECH INDEX)</a> in September. However, there are float and capping changes.</li>
<li>Estimated one-way turnover is 6.3% leading to a round-trip trade of HK$31.1bn (US$4bn). There is plenty to buy in <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>, <a href="https://www.smartkarma.com/entities/byd-co-ltd-h" target="_blank" data-smartkarma-citation="entities:20962:1" rel="noopener">BYD (1211 HK)</a> and <a href="https://www.smartkarma.com/entities/meituan" target="_blank" data-smartkarma-citation="entities:26970:1" rel="noopener">Meituan (3690 HK)</a>. </li>
<li>Short interest is elevated in some of the stocks with large flows and shorts could be active in the stocks over the next couple of weeks.</li>
</ul>


There are no constituent changes for the Hang Seng TECH Index (HSTECH INDEX) in September. However, there are float and capping changes.
Estimated one-way turnover is 6.3% leading to a round-trip trade of HK$31.1bn (US$4bn). There is plenty to buy in Horizon Robotics (9660 HK), BYD (1211 HK) and Meituan (3690 HK). 
Short interest is elevated in some of the stocks with large flows and shorts could be active in the stocks over the next couple of weeks.


HSTECH Index Rebalance: No Constituent Changes; Float/Capping Changes Lead to US$4bn Trade

<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

China

Horizon Robotics develops artificial intelligence (AI) chips and software platforms for intelligent vehicles, focusing on self-driving cars and advanced driver assistance systems (ADAS). The company offers integrated solutions, including its Journey™ series AI processors and Brain Processing Unit (BPU) architecture. Horizon Robotics is headquartered in Beijing, China, and was founded in 2015.

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Horizon Robotics (9660 HK)

[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

[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

[Quiddity Index] Sep25 HSTECH Review Announced; No Name Changes, Big Flows

The Hang Seng Technology Index review was announced on 22 August after the close. No name changes but nearly $3.9bn to trade with capping, re...

Travis Lundy

HSTECH Index Rebalance: No Constituent Changes; Float/Capping Changes Lead to US$4bn Trade

No constituent changes, but some large FAF/capping changes. Estimated one-way turnover is 6.3% and round-trip trade is US$4bn. Large inflows for...

Brian Freitas

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

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