Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

Beijing Wantai Biological Phar / Index Rebalance

Beijing Wantai Biological Phar (603392 CH)

<ul>
<li>CSI Medical Service represents the top 50 largest and most-liquid stocks involved in medical devices, medical care, medical informatization, and other medical theme from the Shanghai, Shenzhen and Beijing Exchanges.</li>
<li>In this insight, we take a look at the potential ADDs/DELs for the semiannual index rebal event in December 2026.</li>
<li>We see 6 ADDs/DELs and expect one-way flows of approximately US$236mn.</li>
</ul>


CSI Medical Service represents the top 50 largest and most-liquid stocks involved in medical devices, medical care, medical informatization, and other medical theme from the Shanghai, Shenzhen and Beijing Exchanges.
In this insight, we take a look at the potential ADDs/DELs for the semiannual index rebal event in December 2026.
We see 6 ADDs/DELs and expect one-way flows of approximately US$236mn.


Quiddity Leaderboard CSI Medical Dec26: 6 ADDs/DELs Expected; US$236mn One-Way Flows

Ningbo Shuanglin Auto Parts / Index Rebalance

<ul>
<li>The ChiNext index represents the performance of the 100 largest and most liquid A-share stocks listed on the ChiNext Market of the Shenzhen Stock Exchange.</li>
<li>The ChiNext 50 index is a subset of the ChiNext Index and it consists of the top 50 names in the ChiNext index with the highest daily average turnover.</li>
<li>We see 3 changes for the ChiNext index and 5 changes for the ChiNext 50 index in the next index rebal event.</li>
</ul>


The ChiNext index represents the performance of the 100 largest and most liquid A-share stocks listed on the ChiNext Market of the Shenzhen Stock Exchange.
The ChiNext 50 index is a subset of the ChiNext Index and it consists of the top 50 names in the ChiNext index with the highest daily average turnover.
We see 3 changes for the ChiNext index and 5 changes for the ChiNext 50 index in the next index rebal event.


Quiddity Leaderboard ChiNext & ChiNext 50 Dec25: ~US$600mn Collective One-Way Flows

Lepu Medical Technology A / Index Rebalance

<ul>
<li>The June 2025 index review results for the ChiNext and ChiNext 50 indices were announced yesterday.</li>
<li>There will be eight changes for the ChiNext index and five changes for the ChiNext 50 index.</li>
<li>In this insight, we take a look at our final flow expectations for the the ChiNext and ChiNext 50 index rebal events.</li>
</ul>


The June 2025 index review results for the ChiNext and ChiNext 50 indices were announced yesterday.
There will be eight changes for the ChiNext index and five changes for the ChiNext 50 index.
In this insight, we take a look at our final flow expectations for the the ChiNext and ChiNext 50 index rebal events.


Quiddity ChiNext/ChiNext 50 Jun25 Results: 23/26 Changes Correct Despite Methodology Change

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

Bluefocus Communication Group Co, Ltd. / Index Rebalance

Bluefocus Communication Group Co, Ltd. (300058 CH)

<ul>
<li>There are 8 changes for the <a href="https://www.smartkarma.com/entities/chinext-index" target="_blank" data-smartkarma-citation="entities:25483:1" rel="noopener">ChiNext Index (SZ399006 INDEX EQUITY)</a> and 5 changes for the ChiNext 50 Index at the June rebalance.</li>
<li>We correctly forecast 7/8 and 8/8 for the Chinext Index adds/deletes and were 4/5 and 5/5 for the Chinext50 Index adds/deletes.</li>
<li>Based on the estimated passive tracking AUM, the round-trip trade across both indices is estimated to be CNY 9.55bn (US$1.33bn).</li>
</ul>


There are 8 changes for the ChiNext Index (SZ399006 INDEX EQUITY) and 5 changes for the ChiNext 50 Index at the June rebalance.
We correctly forecast 7/8 and 8/8 for the Chinext Index adds/deletes and were 4/5 and 5/5 for the Chinext50 Index adds/deletes.
Based on the estimated passive tracking AUM, the round-trip trade across both indices is estimated to be CNY 9.55bn (US$1.33bn).


ChiNext/​​ChiNext 50 Index Rebalance: US$1.3bn Round-Trip Trade

<ul>
<li>With the review period complete, we forecast 10 changes for the <a href="https://www.smartkarma.com/entities/chinext-index" target="_blank" data-smartkarma-citation="entities:25483:1" rel="noopener">ChiNext Index (SZ399006 INDEX EQUITY)</a> and 5 changes for the ChiNext 50 Index in June.</li>
<li>The largest flows will be in stocks that are adds/deletes for both indices - and there are a few of those. Plus there are some overlaps with other indices.</li>
<li>While the forecast adds have outperformed the forecast deletes for both indices since January, near-term performance has not been great. That could change as we near the announcement date.</li>
</ul>


With the review period complete, we forecast 10 changes for the ChiNext Index (SZ399006 INDEX EQUITY) and 5 changes for the ChiNext 50 Index in June.
The largest flows will be in stocks that are adds/deletes for both indices - and there are a few of those. Plus there are some overlaps with other indices.
While the forecast adds have outperformed the forecast deletes for both indices since January, near-term performance has not been great. That could change as we near the announcement date.


ChiNext/​​​ChiNext50 Index Rebalance Preview: Whole Lotta Change

China

Sonoscape Medical Corp. manufactures medical equipment. The Company develops, produces, and sells ultrasound diagnostic systems, transducers, and other medical equipment products. Sonoscape Medical serves customers worldwide.

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Sonoscape Medical Corp (300633 CH)

Quiddity Leaderboard CSI Medical Dec26: 6 ADDs/DELs Expected; US$236mn One-Way Flows

Most expected ADDs/DELs have between 1x-4x ADV to trade and flow sizes of US$25mn-US$45mn. Beijing Wantai Bio (603392 CH) is the most significant...

Janaghan Jeyakumar, CFA

Quiddity Leaderboard ChiNext & ChiNext 50 Dec25: ~US$600mn Collective One-Way Flows

We see US$366mn and US$231mn one-way flows for the ChiNext and ChiNext 50 rebalance events respectively. The ChiNext expected ADDs have strong...

Janaghan Jeyakumar, CFA

Quiddity ChiNext/ChiNext 50 Jun25 Results: 23/26 Changes Correct Despite Methodology Change

We got 23 out of the 26 confirmed changes correct despite a last-minute change in methodology. We got all of the confirmed DELs correct. We had one...

Janaghan Jeyakumar, CFA

ChiNext/ChiNext 50 Index Rebalance: US$1.3bn Round-Trip Trade

There are 8 changes for the ChiNext Index and 5 changes for the ChiNext 50 Index at the June rebalance. The round-trip trade across both indices is...

Brian Freitas

ChiNext/ChiNext50 Index Rebalance Preview: Whole Lotta Change

There could be 10/5 changes for the Chinext/50 in June with 10 stocks having over 1x ADV to trade from passives. Adds have outperformed the deletes...

Brian Freitas

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Quiddity Leaderboard CSI Medical Dec26: 6 ADDs/DELs Expected; US$236mn One-Way Flows

Most expected ADDs/DELs have between 1x-4x ADV to trade and flow sizes of US$25mn-US$45mn. Beijing Wantai Bio (603392 CH) is the most significant...

Janaghan Jeyakumar, CFA

Quiddity Leaderboard ChiNext & ChiNext 50 Dec25: ~US$600mn Collective One-Way Flows

We see US$366mn and US$231mn one-way flows for the ChiNext and ChiNext 50 rebalance events respectively. The ChiNext expected ADDs have strong...

Janaghan Jeyakumar, CFA

Quiddity ChiNext/ChiNext 50 Jun25 Results: 23/26 Changes Correct Despite Methodology Change

We got 23 out of the 26 confirmed changes correct despite a last-minute change in methodology. We got all of the confirmed DELs correct. We had one...

Janaghan Jeyakumar, CFA

ChiNext/​​ChiNext 50 Index Rebalance: US$1.3bn Round-Trip Trade

There are 8 changes for the ChiNext Index and 5 changes for the ChiNext 50 Index at the June rebalance. The round-trip trade across both indices is...

Brian Freitas

ChiNext/​​​ChiNext50 Index Rebalance Preview: Whole Lotta Change

There could be 10/5 changes for the Chinext/50 in June with 10 stocks having over 1x ADV to trade from passives. Adds have outperformed the deletes...

Brian Freitas

ChiNext/ChiNext 50 Index Rebalance: US$1.3bn Round-Trip Trade

ChiNext/ChiNext50 Index Rebalance Preview: Whole Lotta Change