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

DZT Research

DZT 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 analyze statistics on top repurchases over one week, one month, one quarter and one year periods ended on Jul 25th based on HKEx daily reports.</li>
<li>In the past 7 days, the top 3 companies that repurchased the most shares from the market were China Eastern Airlines (670 HK), Yum China (9987 HK), Vitasoy (345 HK).</li>
<li>In the past 30 days, the top 3 companies that repurchased the most shares from the market were Tencent (700 HK), AIA (1299 HK), Wuxi Biologics (2269 HK).</li>
</ul>


We analyze statistics on top repurchases over one week, one month, one quarter and one year periods ended on Jul 25th based on HKEx daily reports.
In the past 7 days, the top 3 companies that repurchased the most shares from the market were China Eastern Airlines (670 HK), Yum China (9987 HK), Vitasoy (345 HK).
In the past 30 days, the top 3 companies that repurchased the most shares from the market were Tencent (700 HK), AIA (1299 HK), Wuxi Biologics (2269 HK).


Hong Kong Buybacks Weekly (Jul 25th): China Eastern Airlines, Yum China, Vitasoy International

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>We see 28 potential and close adds and 34 potential and close deletes for the Hang Seng Composite Index in September. Some of the stocks are close on market cap/liquidity.</li>
<li>A lot of the potential adds are very recently listed stocks that have a limited trading history. The low free float could lead to price spikes in the stocks.</li>
<li>There are stocks that have a very high percentage of holdings via Stock Connect and there could be some unwinding prior to the stocks becoming Sell-only.</li>
</ul>


We see 28 potential and close adds and 34 potential and close deletes for the Hang Seng Composite Index in September. Some of the stocks are close on market cap/liquidity.
A lot of the potential adds are very recently listed stocks that have a limited trading history. The low free float could lead to price spikes in the stocks.
There are stocks that have a very high percentage of holdings via Stock Connect and there could be some unwinding prior to the stocks becoming Sell-only.


HSCI Index Rebalance Preview and Stock Connect (Sep 2025): Plenty of Recent IPOs Could Be Added

<ul>
<li>We analyze statistics on top repurchases over one week, one month, one quarter and one year periods ended on Jul 18th based on HKEx daily reports.</li>
<li>In the past 7 days, the top 3 companies that repurchased the most shares from the market were AIA (1299 HK), Yum China (9987 HK), Cimc (2039 HK).</li>
<li>In the past 30 days, the top 3 companies that repurchased the most shares from the market were Tencent (700 HK), AIA (1299 HK), Wuxi Biologics (2269 HK).</li>
</ul>


We analyze statistics on top repurchases over one week, one month, one quarter and one year periods ended on Jul 18th based on HKEx daily reports.
In the past 7 days, the top 3 companies that repurchased the most shares from the market were AIA (1299 HK), Yum China (9987 HK), Cimc (2039 HK).
In the past 30 days, the top 3 companies that repurchased the most shares from the market were Tencent (700 HK), AIA (1299 HK), Wuxi Biologics (2269 HK).


Hong Kong Buybacks Weekly (Jul 18th): AIA, Yum China, Cimc

Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

<ul>
<li>The Hang Seng Biotech Index (HSHKBIO) will represent the 30 largest biotech companies listed in Hong Kong (HKEX) from September 2025.</li>
<li>Due to a methodology change for HSHKBIO announced in late-June 2025, 20 index constituents could face deletion in September 2025.</li>
<li>In this insight, we take a look at our final expectations for index changes and capping flows for HSHKBIO index rebal event in September 2025.</li>
</ul>


The Hang Seng Biotech Index (HSHKBIO) will represent the 30 largest biotech companies listed in Hong Kong (HKEX) from September 2025.
Due to a methodology change for HSHKBIO announced in late-June 2025, 20 index constituents could face deletion in September 2025.
In this insight, we take a look at our final expectations for index changes and capping flows for HSHKBIO index rebal event in September 2025.


Quiddity Leaderboard Hang Seng Biotech Sep25: 20 Deletions Likely Due to Major Methodology Change

<ul>
<li>We analyze statistics on top repurchases over one week, one month, one quarter and one year periods ended on Jul 11th based on HKEx daily reports.</li>
<li>In the past 7 days, the top 3 companies that repurchased the most shares from the market were Tencent (700 HK), AIA (1299 HK), Wuxi Biologics (2269 HK).</li>
<li>In the past 30 days, the top 3 companies that repurchased the most shares from the market were Tencent (700 HK), AIA (1299 HK), Chow Tai Fook Jewellery (1929 HK).</li>
</ul>


We analyze statistics on top repurchases over one week, one month, one quarter and one year periods ended on Jul 11th based on HKEx daily reports.
In the past 7 days, the top 3 companies that repurchased the most shares from the market were Tencent (700 HK), AIA (1299 HK), Wuxi Biologics (2269 HK).
In the past 30 days, the top 3 companies that repurchased the most shares from the market were Tencent (700 HK), AIA (1299 HK), Chow Tai Fook Jewellery (1929 HK).


Hong Kong Buybacks Weekly (Jul 11th): Tencent, AIA, Wuxi Biologics

China

Consun Pharmaceutical Group is a modern pharmaceutical enterprise engaged in the research, development, production, and marketing of modern Chinese medicines and medical imaging contrast mediums. It also manufactures and sells traditional Chinese medicines. Key products include Uremic Clearance Granule for kidney disease, Gadopentetate Dimeglumine Injection as a medical contrast medium, and Iron Dextran Oral Solution. The company was founded in 1997 and is headquartered in Guangzhou, China.

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Consun Pharmaceutical (1681 HK)

Hong Kong Buybacks Weekly (Jul 25th): China Eastern Airlines, Yum China, Vitasoy International

We analyzed the Hong Kong buyback data in the past week and highlight the top 3 companies that repurchased the most shares were China Eastern...

Ke Yan, CFA, FRM

HSCI Index Rebalance Preview and Stock Connect (Sep 2025): Plenty of Recent IPOs Could Be Added

The forecast adds to the index and Stock Connect are up 9.7% on average this month while the forecast deletes from the index and Stock Connect are...

Brian Freitas

Hong Kong Buybacks Weekly (Jul 18th): AIA, Yum China, Cimc

We analyzed the Hong Kong buyback data in the past week and highlight the top 3 companies that repurchased the most shares were AIA (1299 HK), Yum...

Ke Yan, CFA, FRM

Quiddity Leaderboard Hang Seng Biotech Sep25: 20 Deletions Likely Due to Major Methodology Change

A recent methodology change will result in a drop in constituent count from 50 to 30. This would trigger 20 deletions. These expected DELs could...

Janaghan Jeyakumar, CFA

Hong Kong Buybacks Weekly (Jul 11th): Tencent, AIA, Wuxi Biologics

We analyzed the Hong Kong buyback data in the past week and highlight the top 3 companies that repurchased the most shares were Tencent (700 HK),...

Ke Yan, CFA, FRM

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