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 December 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$50bn (US$6.4bn). There is size to trade in a lot of stocks.</li>
<li>
<a href="https://www.smartkarma.com/entities/xiaomi-corp" target="_blank" data-smartkarma-citation="entities:24409:1" rel="noopener">Xiaomi (1810 HK)</a> is the biggest buy due to HSIII Index inclusion and capping, while <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> is the biggest capping sell.</li>
</ul>


The December 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$50bn (US$6.4bn). There is size to trade in a lot of stocks.

Xiaomi (1810 HK) is the biggest buy due to HSIII Index inclusion and capping, while Alibaba (9988 HK) is the biggest capping sell.


HSI, HSCEI, HSTECH, HSIII, HSBIO Index Rebalance: US$6.4bn of Flows Post Capping (Dec 2025)

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 expect one index change in December 2025 translating to capping flows of US$530mn one-way.</li>
<li>We also expect seven index changes for the next semiannual index review which will take place in March 2026.</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 expect one index change in December 2025 translating to capping flows of US$530mn one-way.
We also expect seven index changes for the next semiannual index review which will take place in March 2026.


Quiddity Leaderboard HSIII Dec25/Mar26: One Change for Dec25; New Expected ADD/DELs for Mar26

<ul>
<li>Following the methodology update for the HSIII Index, there could be up to 5 constituent changes in December.</li>
<li>Estimated one-way turnover is 12.8% and that will result in a round-trip trade of HK$9.8bn (US$1.25bn).</li>
<li>
<a href="https://www.smartkarma.com/entities/xiaomi-corp" target="_blank" data-smartkarma-citation="entities:24409:1" rel="noopener">Xiaomi (1810 HK)</a> is the biggest beneficiary of the new methodology while there will be large funding outflows for a lot of the current index constituents.</li>
</ul>


Following the methodology update for the HSIII Index, there could be up to 5 constituent changes in December.
Estimated one-way turnover is 12.8% and that will result in a round-trip trade of HK$9.8bn (US$1.25bn).

Xiaomi (1810 HK) is the biggest beneficiary of the new methodology while there will be large funding outflows for a lot of the current index constituents.


Hang Seng Internet & IT Index (HSIII) Rebalance Preview: Methodology Change Leads to US$1.25bn Trade

<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 December 2025 index capping flows.</li>
<li>We have also presented our index change expectations for the next semiannual index review which will take place in March 2026.</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 December 2025 index capping flows.
We have also presented our index change expectations for the next semiannual index review which will take place in March 2026.


Quiddity Leaderboard HSIII Dec25/Mar26: Expected ADDs Strongly Outperforming Expected DELs

Asia L/S Equity PM/Macro/Thematic Idea Generation

Rikki Malik

Equity Bottom-Up

<ul>
<li>HSTECH index on the verge of breaking through its Deepsek high</li>
<li>The market is again rewarding AI and cloud infrastructure spending</li>
<li>We add some names to benefit from this ongoing trend</li>
</ul>


HSTECH index on the verge of breaking through its Deepsek high
The market is again rewarding AI and cloud infrastructure spending
We add some names to benefit from this ongoing trend


Tactical Trading – Adding AI Infrastructure to the China Tech Trade

China

Weibo Corporation operates a leading social media platform in China, enabling users to create, discover, and distribute Chinese-language content. The company primarily generates revenue through advertising and marketing services, alongside value-added services such as membership and online games. It is headquartered in Beijing, China, and was founded in 2009.

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Weibo (9898 HK)

HSI, HSCEI, HSTECH, HSIII, HSBIO Index Rebalance: US$6.4bn of Flows Post Capping (Dec 2025)

The Dec 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

Quiddity Leaderboard HSIII Dec25/Mar26: One Change for Dec25; New Expected ADD/DELs for Mar26

We now see new listings Pony AI (2026 HK), Mininglamp Technology (2718 HK), and Deepexi Technology (1384 HK) to be expected ADDs in March 2026.

Janaghan Jeyakumar, CFA

Hang Seng Internet & IT Index (HSIII) Rebalance Preview: Methodology Change Leads to US$1.25bn Trade

The methodology update could result in 5 changes in Dec. Estimated one-way turnover is 12.8% resulting in a round-trip trade of US$1.25bn. There...

Brian Freitas

Quiddity Leaderboard HSIII Dec25/Mar26: Expected ADDs Strongly Outperforming Expected DELs

The March 2026 expected ADDs have been outperforming the expected DELs over the last few weeks and this could continue over the next few weeks.

Janaghan Jeyakumar, CFA

Tactical Trading – Adding AI Infrastructure to the China Tech Trade

HSTECH index showing increased momentum as market approaches Deepseek high. We look at some AI infrastructure beneficiaries

Rikki Malik

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)

HSI, HSCEI, HSTECH, HSIII, HSBIO Index Rebalance: US$6.4bn of Flows Post Capping (Dec 2025)

The Dec 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

Quiddity Leaderboard HSIII Dec25/Mar26: One Change for Dec25; New Expected ADD/DELs for Mar26

We now see new listings Pony AI (2026 HK), Mininglamp Technology (2718 HK), and Deepexi Technology (1384 HK) to be expected ADDs in March 2026.

Janaghan Jeyakumar, CFA

Hang Seng Internet & IT Index (HSIII) Rebalance Preview: Methodology Change Leads to US$1.25bn Trade

The methodology update could result in 5 changes in Dec. Estimated one-way turnover is 12.8% resulting in a round-trip trade of US$1.25bn. There...

Brian Freitas

Quiddity Leaderboard HSIII Dec25/Mar26: Expected ADDs Strongly Outperforming Expected DELs

The March 2026 expected ADDs have been outperforming the expected DELs over the last few weeks and this could continue over the next few weeks.

Janaghan Jeyakumar, CFA

Tactical Trading – Adding AI Infrastructure to the China Tech Trade

​HSTECH index showing increased momentum as market approaches Deepseek high. We look at some AI infrastructure beneficiaries

Rikki Malik

HSTECH index showing increased momentum as market approaches Deepseek high. We look at some AI infrastructure beneficiaries