Index Rebal Trades & Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal Trades & Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

Porton Pharma Solutions / Index Rebalance

<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 have presented our final expectations for ADDs and DELs for the upcoming semiannual index rebal event in December 2025.</li>
<li>We expect up to six ADDs and six DELs for the CSI Medical Service index during this index review event based on the latest available data.</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 have presented our final expectations for ADDs and DELs for the upcoming semiannual index rebal event in December 2025.
We expect up to six ADDs and six DELs for the CSI Medical Service index during this index review event based on the latest available data.


Quiddity Leaderboard CSI Medical Dec25: New Expected DEL Due to Liquidity; US$345mn One-Way

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>With the review period complete, we forecast 9 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 December.</li>
<li>Some of the potential adds will also have passive flows from the <a href="https://www.smartkarma.com/entities/csi-smallcap-500-index-shang" target="_blank" data-smartkarma-citation="entities:35347:1" rel="noopener">CSI Smallcap 500 Index</a> trackers at the same time as the <a href="https://www.smartkarma.com/entities/chinext-index" target="_blank" data-smartkarma-citation="entities:25483:1" rel="noopener">ChiNext Index</a> rebalance.</li>
<li>The potential adds have slipped a lot versus the potential deletes over the last few months as the National Team has tried to stabilise the market via ETF creations.</li>
</ul>


With the review period complete, we forecast 9 changes for the ChiNext Index (SZ399006 INDEX EQUITY) and 5 changes for the ChiNext 50 Index in December.
Some of the potential adds will also have passive flows from the CSI Smallcap 500 Index trackers at the same time as the ChiNext Index rebalance.
The potential adds have slipped a lot versus the potential deletes over the last few months as the National Team has tried to stabilise the market via ETF creations.


ChiNext/​​​ChiNext50 Index Rebalance Preview: Time for a Turnaround

Double Medical Technology  / Index Rebalance

<ul>
<li>There could be up to 6 changes for the CSI Medical Service Index at the December rebalance with the number of changes mainly driven by the inclusions.</li>
<li>Estimated one-way turnover is 6.9% and the round-trip trade is estimated at CNY 4.11bn (US$578m). There are 8 stocks with over 1x ADV to trade from passive trackers.</li>
<li>The forecast adds have outperformed the forecast deletes since June but have underperformed in the short-term. With the review period complete and announcement in 3 weeks, positioning could resume.</li>
</ul>


There could be up to 6 changes for the CSI Medical Service Index at the December rebalance with the number of changes mainly driven by the inclusions.
Estimated one-way turnover is 6.9% and the round-trip trade is estimated at CNY 4.11bn (US$578m). There are 8 stocks with over 1x ADV to trade from passive trackers.
The forecast adds have outperformed the forecast deletes since June but have underperformed in the short-term. With the review period complete and announcement in 3 weeks, positioning could resume.


CSI Medical Service Index Rebalance Preview: Six Potential Changes in December

Shandong Weigao Blood Purification Products / Index Rebalance

Shandong Weigao Blood Purification Products

<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 and DELs leading the race for the semiannual index rebal event in December 2025.</li>
<li>We expect up to six ADDs and six DELs for the CSI Medical Service index during this index review event based on the latest available data.</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 and DELs leading the race for the semiannual index rebal event in December 2025.
We expect up to six ADDs and six DELs for the CSI Medical Service index during this index review event based on the latest available data.


Quiddity Leaderboard CSI Medical Dec25: Some Changes to Expected ADDs/DELs; US$362mn One-Way

<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 and DELs leading the race for the semiannual index rebal event in December 2025.</li>
<li>We expect up to five ADDs and four DELs for the CSI Medical Service index during this index review event based on the latest available data.</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 and DELs leading the race for the semiannual index rebal event in December 2025.
We expect up to five ADDs and four DELs for the CSI Medical Service index during this index review event based on the latest available data.


Quiddity Leaderboard CSI Medical Dec25: US$300mn+ One-Way; Some Changes to Expectations

China

Porton Pharma Solutions Ltd. is a China-based custom manufacturing services provider(CMO), serving the global pharmaceutical industry with custom and contract chemical development and manufacturing services from preclinical development to commercial supply.

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Porton Pharma Solutions (300363 CH)

Quiddity Leaderboard CSI Medical Dec25: New Expected DEL Due to Liquidity; US$345mn One-Way

Harbin Fuerjia Tech (301371 CH) appeared in our leaderboard for the first time in October 2025 (this insight). We currently have this as an...

Janaghan Jeyakumar, CFA

ChiNext/ChiNext50 Index Rebalance Preview: Time for a Turnaround

There could be 9 changes for the Chinext and 5 changes for the Chinext50 index in Dec. The adds have drifted lower vs the deletes and there could...

Brian Freitas

CSI Medical Service Index Rebalance Preview: Six Potential Changes in December

There could be 6 changes for the index in Dec. Estimated one-way turnover is 6.9% and the round-trip trade is estimated at US$578m. There are 8...

Brian Freitas

Quiddity Leaderboard CSI Medical Dec25: Some Changes to Expected ADDs/DELs; US$362mn One-Way

We estimate the CSI Medical December 2025 index rebalance to trigger flows of ~US$362mn one-way. On average, the expected DELs have higher impact...

Janaghan Jeyakumar, CFA

Quiddity Leaderboard CSI Medical Dec25: US$300mn+ One-Way; Some Changes to Expectations

We estimate the CSI Medical December 2025 index rebalance to trigger flows of ~US$308mn one-way. Most names have 1x-3x ADV to trade.

Janaghan Jeyakumar, CFA

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Quiddity Leaderboard CSI Medical Dec25: New Expected DEL Due to Liquidity; US$345mn One-Way

Harbin Fuerjia Tech (301371 CH) appeared in our leaderboard for the first time in October 2025 (this insight). We currently have this as an...

Janaghan Jeyakumar, CFA

ChiNext/​​​ChiNext50 Index Rebalance Preview: Time for a Turnaround

There could be 9 changes for the Chinext and 5 changes for the Chinext50 index in Dec. The adds have drifted lower vs the deletes and there could...

Brian Freitas

CSI Medical Service Index Rebalance Preview: Six Potential Changes in December

There could be 6 changes for the index in Dec. Estimated one-way turnover is 6.9% and the round-trip trade is estimated at US$578m. There are 8...

Brian Freitas

Quiddity Leaderboard CSI Medical Dec25: Some Changes to Expected ADDs/DELs; US$362mn One-Way

We estimate the CSI Medical December 2025 index rebalance to trigger flows of ~US$362mn one-way. On average, the expected DELs have higher impact...

Janaghan Jeyakumar, CFA

Quiddity Leaderboard CSI Medical Dec25: US$300mn+ One-Way; Some Changes to Expectations

We estimate the CSI Medical December 2025 index rebalance to trigger flows of ~US$308mn one-way. Most names have 1x-3x ADV to trade.

Janaghan Jeyakumar, CFA

ChiNext/ChiNext50 Index Rebalance Preview: Time for a Turnaround