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)

Derivatives and Quantitative Strategist

Gaudenz Schneider

Equity Derivatives

<ul>
<li>September brings heavy index rebalancing activity. <a href="https://www.smartkarma.com/entities/pop-mart-international-group-l" target="_blank" data-smartkarma-citation="entities:29016:1" rel="noopener">Pop Mart (9992 HK)</a> will join both 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 (HSI INDEX)</a> and the <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 (HSCEI INDEX)</a>.</li>
<li>
The Fed is widely expected to cut rates and Asia-Pac peers (BoJ, RBA, RBI) are also meeting.</li>
<li>
Why Read: Plan ahead and take into account known market events when making investment and trading decision.</li>
</ul>


September brings heavy index rebalancing activity. Pop Mart (9992 HK) will join both the Hang Seng Index (HSI INDEX) and the Hang Seng China Enterprises Index (HSCEI INDEX).

The Fed is widely expected to cut rates and Asia-Pac peers (BoJ, RBA, RBI) are also meeting.

Why Read: Plan ahead and take into account known market events when making investment and trading decision.


Index Changes and Rate Cuts: Key Events in September 2025

Asia Pac IPO & Placement Research, China biotech, Aequitas Research

Ke Yan, CFA, FRM

Asia Pac IPO & Placement Research, China biotech

IPOs and Placements coverage across Asia Pacific

Aequitas Research

We cover all listing across the Asia Pacific along with follow-up placements. As of Dec 2020, our team had covered 539 IPOs with a hit rate of 73.5% and 685 placements with a hit rate of 66.8%.

We combine fundamental bottom-up views with our proprietary quantitative framework to provide a holistic coverage across new listings and placements. Our coverage includes pre-IPO notes before the deal is launched, follow-up analysis once the deal is live and post-listing trading analysis as well.

Quantitative Analysis

<ul>
<li>We analyze the monthly Hong Kong Connect flows with our data engine.</li>
<li>We tabulate the top stocks by inflows, outflows, and holding by mainland investors.</li>
<li>We highlight flows of Alibaba, Tencent, Meituan, China Life, HSTECH ETF.</li>
</ul>


We analyze the monthly Hong Kong Connect flows with our data engine.
We tabulate the top stocks by inflows, outflows, and holding by mainland investors.
We highlight flows of Alibaba, Tencent, Meituan, China Life, HSTECH ETF.


Hong Kong Connect Flows (August): $18bn Inflows

<ul>
<li>We analyse the changes of A-H premium on 157 stocks over the last week. The average A-H premium was 61.0% as of Aug 29th.</li>
<li>The average A-H premium changed by 2.7ppt week-on-week, led by health care, financials, information technology and offset by real estate.</li>
<li>We highlight weekly changes in A-H premium for Qingdao Port, Beigene, Cgn Power, China Galaxy Securities, Jl Mag Rare-Earth.</li>
</ul>


We analyse the changes of A-H premium on 157 stocks over the last week. The average A-H premium was 61.0% as of Aug 29th.
The average A-H premium changed by 2.7ppt week-on-week, led by health care, financials, information technology and offset by real estate.
We highlight weekly changes in A-H premium for Qingdao Port, Beigene, Cgn Power, China Galaxy Securities, Jl Mag Rare-Earth.


A-H Premium Weekly (Aug 29th): Qingdao Port, Beigene, Cgn Power, China Galaxy Securities

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 Index for the September 2025 rebalance. That takes us to 88 constituents. </li>
<li>There were three ADDs - <a href="https://www.smartkarma.com/entities/pop-mart-international-group-l" target="_blank" data-smartkarma-citation="entities:29016:1" rel="noopener">Pop Mart (9992 HK)</a> and <a href="https://www.smartkarma.com/entities/jd-logistics-inc" target="_blank" data-smartkarma-citation="entities:31500:1" rel="noopener">JD Logistics (2618 HK)</a> were expected. <a href="https://www.smartkarma.com/entities/china-telecom-corp-ltd-h" target="_blank" data-smartkarma-citation="entities:1015:1" rel="noopener">China Telecom (H) (728 HK)</a> was in our LOW conviction ranks but added.</li>
<li>It's not big at US$1.3bn to trade, but we have until 2 Sep to see capping or funding changes and the event will be effective 5 September at the close.</li>
</ul>


On Friday 22 August, the Hang Seng Index team announced the changes to the Hang Seng Index for the September 2025 rebalance. That takes us to 88 constituents. 
There were three ADDs - Pop Mart (9992 HK) and JD Logistics (2618 HK) were expected. China Telecom (H) (728 HK) was in our LOW conviction ranks but added.
It's not big at US$1.3bn to trade, but we have until 2 Sep to see capping or funding changes and the event will be effective 5 September at the close.


[Quiddity Index] Sep25 Hang Seng Index Review Announced; 3 ADDs, Now 88 Names

China

China Telecom Corporation Limited, through its subsidiaries, provides wireline telephone, data, and Internet, as well as leased line services in China.

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China Telecom Corp Ltd (Adr) (123D US)

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

Index Changes and Rate Cuts: Key Events in September 2025

September packs in index rebalances, quarterly expiries, central bank calls, and Fed drama—keeping markets busy amid a light holiday calendar.

Gaudenz Schneider

Hong Kong Connect Flows (August): $18bn Inflows

We estimate inflows into HK via southbound trade were $18bn in August, at four month high. We highlight inflows for Alibaba, Tencent, Meituan, and...

Ke Yan, CFA, FRM

A-H Premium Weekly (Aug 29th): Qingdao Port, Beigene, Cgn Power, China Galaxy Securities

We analyzed A-H premium changes in the past week and highlight A-H premium changes for Qingdao Port, Beigene, Cgn Power, China Galaxy Securities,...

Ke Yan, CFA, FRM

[Quiddity Index] Sep25 Hang Seng Index Review Announced; 3 ADDs, Now 88 Names

The Hang Seng Index adds 3 names getting us to 88 names. 12 more to go to 100 but still missing healthcare names. Telecom and JD Logistics are the...

Travis Lundy

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52-week Range

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