Asia Pac ECM and Index Rebal, Shenton Research

Ke Yan, CFA, FRM

Asia Pac ECM and Index Rebal

Asia Pac IPO & Placement Research, China Biotech

Shenton Research

Shenton Research is an independent Asia Pacific equity specialist. Our quantitative research covers index rebalancing flows, alongside exchange data analytics accross Asia Pacific. On the equity capital markets side, we focus on Asia Pacific ECM, especially biotech and TMT. Our lead analyst is frequently cited by international media.

Quantitative Analysis

<ul>
<li>We analyse the changes of A-H premium on 196 stocks over the last week. The average A-H premium was 83.5% as of Sep 11th.</li>
<li>The average A-H premium changed by 1.7ppt week-on-week, led by real estate, information technology, materials.</li>
<li>We highlight weekly changes in A-H premium for Minsheng Bank, Innocare Pharma, Yofc, Citic Sec.</li>
</ul>


We analyse the changes of A-H premium on 196 stocks over the last week. The average A-H premium was 83.5% as of Sep 11th.
The average A-H premium changed by 1.7ppt week-on-week, led by real estate, information technology, materials.
We highlight weekly changes in A-H premium for Minsheng Bank, Innocare Pharma, Yofc, Citic Sec.


A-H Premium Weekly (Sep 11th): Minsheng Bank, Innocare Pharma, Yofc, Citic Sec

Index Rebalance

<ul>
<li>HSI rebalance will be effective on 7 Sep 2026 before market open, with two ADDs.</li>
<li>Hua Hong Grace returned -4.4% and Weichai Power -3.8% over the bridge. Both fell on the first trading day after announcement, then recovered part of the loss.</li>
<li>Historically, negative-bridge ADDs declined in the first implementation week in most cases. Both names belong to that group.</li>
</ul>


HSI rebalance will be effective on 7 Sep 2026 before market open, with two ADDs.
Hua Hong Grace returned -4.4% and Weichai Power -3.8% over the bridge. Both fell on the first trading day after announcement, then recovered part of the loss.
Historically, negative-bridge ADDs declined in the first implementation week in most cases. Both names belong to that group.


HSI Sep 2026 Index Rebalance: Pre-Implementation Update

<ul>
<li>We analyse the changes of A-H premium on 196 stocks over the last week. The average A-H premium was 81.8% as of Sep 4th.</li>
<li>The average A-H premium changed by 0.4ppt week-on-week, led by communication services, consumer staples, consumer discretionary and offset by energy, financials, utilities.</li>
<li>We highlight weekly changes in A-H premium for China South Air, Remegen, China Telecom, Muyuan Foods, Conch Cement, Minsheng Bank.</li>
</ul>


We analyse the changes of A-H premium on 196 stocks over the last week. The average A-H premium was 81.8% as of Sep 4th.
The average A-H premium changed by 0.4ppt week-on-week, led by communication services, consumer staples, consumer discretionary and offset by energy, financials, utilities.
We highlight weekly changes in A-H premium for China South Air, Remegen, China Telecom, Muyuan Foods, Conch Cement, Minsheng Bank.


A-H Premium Weekly (Sep 4th): China South Air, Remegen, China Telecom, Muyuan Foods, Conch Cement

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>The changes to the Hang Seng family of indices were announced post market close on 21 August - final capping will use closing prices from the close on 1 September.</li>
<li>There are 2 adds for the <a href="https://www.smartkarma.com/entities/hong-kong-hang-seng-index" target="_blank" data-smartkarma-citation="entities:22899:1" rel="noopener">HSI</a>, no constituent changes <a href="https://www.smartkarma.com/entities/hang-seng-china-enterprises-index" target="_blank" data-smartkarma-citation="entities:22900:1" rel="noopener">HSCEI</a>, 1 change for the <a href="https://www.smartkarma.com/entities/hang-seng-tech-index" target="_blank" data-smartkarma-citation="entities:31367:1" rel="noopener">HSTECH</a>, 5 changes for the HSIII, and 1 change for the HSBIO.</li>
<li>There are 61 adds and 15 deletes for the Hang Seng Composite Index and that should lead to 54 additions to Southbound Stock Connect from the open on 7 September.</li>
</ul>


The changes to the Hang Seng family of indices were announced post market close on 21 August - final capping will use closing prices from the close on 1 September.
There are 2 adds for the HSI, no constituent changes HSCEI, 1 change for the HSTECH, 5 changes for the HSIII, and 1 change for the HSBIO.
There are 61 adds and 15 deletes for the Hang Seng Composite Index and that should lead to 54 additions to Southbound Stock Connect from the open on 7 September.


Hang Seng Indexes: US$3.2bn of Flows Post Capping + Stock Connect Changes (Sep 2026)

<ul>
<li>We analyse the changes of A-H premium on 196 stocks over the last week. The average A-H premium was 81.4% as of Aug 28th.</li>
<li>The average A-H premium changed by 1.6ppt week-on-week, led by consumer discretionary, energy, real estate and offset by utilities, financials.</li>
<li>We highlight weekly changes in A-H premium for Gwmotor, China Mobile, Remegen, Fuyao Glass, Minsheng Bank.</li>
</ul>


We analyse the changes of A-H premium on 196 stocks over the last week. The average A-H premium was 81.4% as of Aug 28th.
The average A-H premium changed by 1.6ppt week-on-week, led by consumer discretionary, energy, real estate and offset by utilities, financials.
We highlight weekly changes in A-H premium for Gwmotor, China Mobile, Remegen, Fuyao Glass, Minsheng Bank.


A-H Premium Weekly (Aug 28th): Gwmotor, China Mobile, Remegen, Fuyao Glass, Minsheng Bank

China

Weichai Power is a Chinese industrial technology company specializing in the research, development, and manufacturing of powertrains, vehicles, and key components such as engines, transmissions, and axles. The company also offers intelligent logistics solutions, including forklifts and warehousing services, and is actively developing new energy technologies like hydrogen fuel cells. Weichai Power was founded in 2002 and is headquartered in Weifang, Shandong, China.

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Weichai Power (2338 HK)

A-H Premium Weekly (Sep 11th): Minsheng Bank, Innocare Pharma, Yofc, Citic Sec

We analyzed A-H premium changes in the past week and highlight A-H premium changes for Minsheng Bank, Innocare Pharma, Yofc, Citic Sec.

Ke Yan, CFA, FRM

HSI Sep 2026 Index Rebalance: Pre-Implementation Update

HSI enters implementation on 7 Sep 2026. We update post-announcement stock performance and discuss implementation trades.

Ke Yan, CFA, FRM

A-H Premium Weekly (Sep 4th): China South Air, Remegen, China Telecom, Muyuan Foods, Conch Cement

We analyzed A-H premium changes in the past week and highlight A-H premium changes for China South Air, Remegen, China Telecom, Muyuan Foods, Conch...

Ke Yan, CFA, FRM

Hang Seng Indexes: US$3.2bn of Flows Post Capping + Stock Connect Changes (Sep 2026)

The Sep rebalance of the HSI, HSCEI, HSTECH, HSIII indices will use 1 Sep closing prices for capping. The round-trip trade across the four indices...

Brian Freitas

A-H Premium Weekly (Aug 28th): Gwmotor, China Mobile, Remegen, Fuyao Glass, Minsheng Bank

We analyzed A-H premium changes in the past week and highlight A-H premium changes for Gwmotor, China Mobile, Remegen, Fuyao Glass, Minsheng Bank.

Ke Yan, CFA, FRM

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)