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. </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

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 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>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>There should be big passive inflows 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> over the next 6 weeks and that could take the stock higher in the short term.</li>
<li>Southbound Stock Connect investors have bought more than 10% of the Class B shares outstanding since the stock was added to the link a couple of months ago.</li>
<li>Short interest jumped following the Stock Connect inclusion but there has been covering over the last few weeks. Short-term direction for the stock price looks to be higher.</li>
</ul>


There should be big passive inflows to Horizon Robotics (9660 HK) over the next 6 weeks and that could take the stock higher in the short term.
Southbound Stock Connect investors have bought more than 10% of the Class B shares outstanding since the stock was added to the link a couple of months ago.
Short interest jumped following the Stock Connect inclusion but there has been covering over the last few weeks. Short-term direction for the stock price looks to be higher.


Horizon Robotics (9660 HK): Index Inclusion & Upweights to Drive US$1bn Inflows

<ul>
<li>The review period for the September rebalance of 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</a> ended on 30 June, the changes will be announced on 22 August and implemented on 5 September.</li>
<li>No constituent changes will result in a one-way turnover of 4.1% and that will mean a round-trip trade of HK$15.2bn (US$1.94bn).</li>
<li>An expansion of the index universe could lead to one constituent change and that increases the one-way turnover to 6.2% and the round-trip trade to HK$23.1bn (US$2.94bn).</li>
</ul>


The review period for the September rebalance of the Hang Seng TECH Index ended on 30 June, the changes will be announced on 22 August and implemented on 5 September.
No constituent changes will result in a one-way turnover of 4.1% and that will mean a round-trip trade of HK$15.2bn (US$1.94bn).
An expansion of the index universe could lead to one constituent change and that increases the one-way turnover to 6.2% and the round-trip trade to HK$23.1bn (US$2.94bn).


HSTECH Index Rebalance Preview: Universe Expansion Could Lead to One Change

China

Horizon Robotics, Inc. offers technology services. The Company develops advanced driver assistance systems, autonomous driving solutions, and other for passenger vehicles. Horizon Robotics provides its services throughout Hong Kong.

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Horizon Robotics (9660 HK)

[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

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 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