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

Jiangsu Hengrui Pharmaceuticals / Index Rebalance

Jiangsu Hengrui Pharmaceuticals (1276 HK)

<ul>
<li>We see 21 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>There have been some big listings in the last couple of months and those stocks should be added to the index in September. That increases the number of potential deletions.</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 21 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.
There have been some big listings in the last couple of months and those stocks should be added to the index in September. That increases the number of potential deletions.
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: Potential Changes in September 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 Biotech index (HSHKBIO) represents the 50 largest biotech companies listed in Hong Kong (HKEX).</li>
<li>In this insight, we take a look at the potential index changes and the resultant capping flows for the HSHKBIO index rebal event in September 2025.</li>
<li>Based on the latest data, we see three ADDs and three DELs.</li>
</ul>


The Hang Seng Biotech index (HSHKBIO) represents the 50 largest biotech companies listed in Hong Kong (HKEX).
In this insight, we take a look at the potential index changes and the resultant capping flows for the HSHKBIO index rebal event in September 2025.
Based on the latest data, we see three ADDs and three DELs.


Quiddity Leaderboard Hang Seng Biotech Sep25: Three Changes Likely + One Intra-Review Change

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 May 23rd 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), Bilibili (9626 HK), AIA (1299 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), Bilibili (9626 HK).</li>
</ul>


We analyze statistics on top repurchases over one week, one month, one quarter and one year periods ended on May 23rd 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), Bilibili (9626 HK), AIA (1299 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), Bilibili (9626 HK).


Hong Kong Buybacks Weekly (May 23rd): Tencent, Bilibili, AIA

<ul>
<li>We analyze statistics on top repurchases over one week, one month, one quarter and one year periods ended on May 16th 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), China Hongqiao (1378 HK), Cosco Shipping (1919 HK).</li>
<li>In the past 30 days, the top 3 companies that repurchased the most shares from the market were AIA (1299 HK), China Hongqiao (1378 HK), Cosco Shipping (1919 HK).</li>
</ul>


We analyze statistics on top repurchases over one week, one month, one quarter and one year periods ended on May 16th 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), China Hongqiao (1378 HK), Cosco Shipping (1919 HK).
In the past 30 days, the top 3 companies that repurchased the most shares from the market were AIA (1299 HK), China Hongqiao (1378 HK), Cosco Shipping (1919 HK).


Hong Kong Buybacks Weekly (May 16th): AIA, China Hongqiao, Cosco Shipping

<ul>
<li>We analyze the weekly Hong Kong Connect flows with our data engine for holding position as of April 17th.</li>
<li>The top stocks by inflows and outflows were tabulated for all market, HSCEI, mid cap and s/mid cap groups.</li>
<li>We highlight flows for Alibaba (9988 HK), Tencent (700 HK), Xiaomi (1810 HK), Meituan (3690 HK), CCB (939 HK).</li>
</ul>


We analyze the weekly Hong Kong Connect flows with our data engine for holding position as of April 17th.
The top stocks by inflows and outflows were tabulated for all market, HSCEI, mid cap and s/mid cap groups.
We highlight flows for Alibaba (9988 HK), Tencent (700 HK), Xiaomi (1810 HK), Meituan (3690 HK), CCB (939 HK).


HK Connect Flows Weekly (Apr 17th): Alibaba, Tencent, Xiaomi, Meituan, CCB

China

YSB Inc. develops a digital pharmaceutical platform in China, connecting pharmaceutical companies, distributors, vendors, pharmacies, and primary healthcare institutions. It offers solutions like ClouMinihouse, Cloud consultation SaaS, ClouWiseDoctor, ClouDiagnos, wePharmacy, and YSB eLearn, alongside wholesale and retail of pharmaceutical and healthcare products. The company was founded in 2015 and is headquartered in Guangzhou, China.

Price Gauge
52-week Range	0.00 - 0.00
Market Cap (USDm)	0.00
P/E	0.00
Dividend (Yield)	0.00

YSB (9885 HK)

HSCI Index Rebalance Preview and Stock Connect: Potential Changes in September 2025

There could be 55 changes for the HSCI in September. That could result in 46 changes to the Southbound Stock Connect list and also have...

Brian Freitas

Quiddity Leaderboard Hang Seng Biotech Sep25: Three Changes Likely + One Intra-Review Change

Index member Yichang HEC Changjiang Pharma (1558 HK) is involved in a takeover situation which is expected to complete in 2Q 2025. This could...

Janaghan Jeyakumar, CFA

Hong Kong Buybacks Weekly (May 23rd): Tencent, Bilibili, AIA

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

Hong Kong Buybacks Weekly (May 16th): AIA, China Hongqiao, Cosco Shipping

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),...

Ke Yan, CFA, FRM

HK Connect Flows Weekly (Apr 17th): Alibaba, Tencent, Xiaomi, Meituan, CCB

We analyzed southbound Hong Kong connect flows in the past week and highlighted flows for Alibaba, Tencent, Xiaomi, Meituan, CCB.

Ke Yan, CFA, FRM

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)