Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

<ul>
<li>The December 2025 index review results for China's CSI 300 and CSI 500 indices were announced after market close on Friday 28th November 2025.</li>
<li>There will be 11 ADDs/DELs for CSI 300 and 50 ADDs/DELs for CSI 500.</li>
<li>The CSI 300 and CSI 500 index rebal events could trigger US$5.3bn and US$4.2bn in one-way flows respectively.</li>
</ul>


The December 2025 index review results for China's CSI 300 and CSI 500 indices were announced after market close on Friday 28th November 2025.
There will be 11 ADDs/DELs for CSI 300 and 50 ADDs/DELs for CSI 500.
The CSI 300 and CSI 500 index rebal events could trigger US$5.3bn and US$4.2bn in one-way flows respectively.


Quiddity CSI 300/​​500 Dec25 Results: 90% Hit Rate (110/121 Correct); US$9.5bn Combined One-Way Flow

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

Kuang-Chi Technologies   / Index Rebalance

<ul>
<li>There are 11 changes for the <a href="https://www.smartkarma.com/entities/shanghai-shenzhen-csi-300-index" target="_blank" data-smartkarma-citation="entities:22906:1" rel="noopener">Shanghai Shenzhen CSI 300 Index (SHSZ300 INDEX)</a> with implementation taking place at the close on 12 December.</li>
<li>Nearly all the changes are in line with forecasts. <a href="https://www.smartkarma.com/entities/jiangsu-zhongtian-technologies-co-ltd" target="_blank" data-smartkarma-citation="entities:12699:1" rel="noopener">Jiangsu Zhongtian Technologies Co, Ltd. (600522 CH)</a> is the one surprise addition.</li>
<li>The adds outperformed the deletes and the <a href="https://www.smartkarma.com/entities/shanghai-shenzhen-csi-300-index" target="_blank" data-smartkarma-citation="entities:22906:1" rel="noopener">CSI300</a> from June-September but have given back a chunk of the gains since then. Expect positioning to build over the next few days.</li>
</ul>


There are 11 changes for the Shanghai Shenzhen CSI 300 Index (SHSZ300 INDEX) with implementation taking place at the close on 12 December.
Nearly all the changes are in line with forecasts. Jiangsu Zhongtian Technologies Co, Ltd. (600522 CH) is the one surprise addition.
The adds outperformed the deletes and the CSI300 from June-September but have given back a chunk of the gains since then. Expect positioning to build over the next few days.


CSI300 Index Rebalance: 11 Changes & US$7.77bn Trade

<ul>
<li>There could be 8 changes at the June rebalance with the Industrials and Information Technology sectors gaining 3 index spots each and the Materials sector losing 4 spots.</li>
<li>Estimated one-way turnover is 1.44% at the rebalance leading to a round-trip trade of CNY 32.55bn (US$4.5bn). There are 13 stocks with over 2x ADV to trade.</li>
<li>The forecast adds have outperformed the forecast deletes over the last 6 weeks even though there have been large ETF creations. There could be more outperformance coming up.</li>
</ul>


There could be 8 changes at the June rebalance with the Industrials and Information Technology sectors gaining 3 index spots each and the Materials sector losing 4 spots.
Estimated one-way turnover is 1.44% at the rebalance leading to a round-trip trade of CNY 32.55bn (US$4.5bn). There are 13 stocks with over 2x ADV to trade.
The forecast adds have outperformed the forecast deletes over the last 6 weeks even though there have been large ETF creations. There could be more outperformance coming up.


CSI300 Index Rebalance Preview: 8 Changes a Side in June; US$4.5bn Trade

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 the 1Q2025 Shanghai/Shenzhen northbound Connect flows with our data engine as the exchange changed the rule to only disclose north bound position once a quarter.</li>
<li>We estimate that the inflows in 1Q2025 were US$1,760 million and holdings were US$307 billion, compared to outflows of US$20 billion in 4Q. </li>
<li>We highlight flows for BYD, Naura Technology, Cmb, Yangtze Power, Weichai Power.</li>
</ul>


We analyze the 1Q2025 Shanghai/Shenzhen northbound Connect flows with our data engine as the exchange changed the rule to only disclose north bound position once a quarter.
We estimate that the inflows in 1Q2025 were US$1,760 million and holdings were US$307 billion, compared to outflows of US$20 billion in 4Q. 
We highlight flows for BYD, Naura Technology, Cmb, Yangtze Power, Weichai Power.


Northbound Flows (1Q2025): BYD, Naura Technology, Cmb, Yangtze Power, Weichai Power

<ul>
<li>There could be 18 changes at the December rebalance with the Industrials sector gaining 3 index spots and the Information Technology sector losing 5 spots.</li>
<li>We estimate one-way turnover of 3.3% at the rebalance leading to a one-way trade of CNY 22.07bn (US$3bn). There are a lot of stocks with multiple days ADV to trade.</li>
<li>The potential adds have outperformed the potential deletes. There were ETF inflows last week amid a short selling crackdown as the Third Plenum kicks off.</li>
</ul>


There could be 18 changes at the December rebalance with the Industrials sector gaining 3 index spots and the Information Technology sector losing 5 spots.
We estimate one-way turnover of 3.3% at the rebalance leading to a one-way trade of CNY 22.07bn (US$3bn). There are a lot of stocks with multiple days ADV to trade.
The potential adds have outperformed the potential deletes. There were ETF inflows last week amid a short selling crackdown as the Third Plenum kicks off.


CSI300 Index Rebalance Preview: 18 Changes in Dec; Third Plenum; ETF Inflows; Short Sell Crackdown

China

Jiangsu Zhongtian Technology Co., Ltd. manufactures and markets optic cables, optic fibers, electric cable materials and accessories, related components, and related controlling systems.

Jiangsu Zhongtian Technologies Co, Ltd. (600522 CH)

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Jiangsu Zhongtian Technologies Co, Ltd. (600522 CH)

Quiddity CSI 300/500 Dec25 Results: 90% Hit Rate (110/121 Correct); US$9.5bn Combined One-Way Flow

We correctly predicted 110 of the 122 confirmed index changes for the CSI 300 and CSI 500 indices. This translates to a hit rate of 90%.

Janaghan Jeyakumar, CFA

CSI300 Index Rebalance: 11 Changes & US$7.77bn Trade

There are 11 changes for the CSI300 Index in Dec. Not too many surprises. Estimated turnover is 2.2% leading to a round-trip trade of US$7.77bn....

Brian Freitas

CSI300 Index Rebalance Preview: 8 Changes a Side in June; US$4.5bn Trade

8 changes forecast for CSI300 June. Estimated one-way turnover is 1.44% and round-trip trade is US$4.5bn. A long adds/short deletes trade has done...

Brian Freitas

Northbound Flows (1Q2025): BYD, Naura Technology, Cmb, Yangtze Power, Weichai Power

We analyzed Northbound connect data for 1Q2025 and highlight flows for BYD, Naura Technology, Cmb, Yangtze Power, Weichai Power.

Ke Yan, CFA, FRM

CSI300 Index Rebalance Preview: 18 Changes in Dec; Third Plenum; ETF Inflows; Short Sell Crackdown

There could be 18 changes in December. The adds have outperformed the deletes but near-term performance has been meh. There were ETF inflows last...

Brian Freitas

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52-week Range

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Quiddity CSI 300/​​500 Dec25 Results: 90% Hit Rate (110/121 Correct); US$9.5bn Combined One-Way Flow

We correctly predicted 110 of the 122 confirmed index changes for the CSI 300 and CSI 500 indices. This translates to a hit rate of 90%.

Janaghan Jeyakumar, CFA

CSI300 Index Rebalance: 11 Changes & US$7.77bn Trade

There are 11 changes for the CSI300 Index in Dec. Not too many surprises. Estimated turnover is 2.2% leading to a round-trip trade of US$7.77bn....

Brian Freitas

CSI300 Index Rebalance Preview: 8 Changes a Side in June; US$4.5bn Trade

8 changes forecast for CSI300 June. Estimated one-way turnover is 1.44% and round-trip trade is US$4.5bn. A long adds/short deletes trade has done...

Brian Freitas

Northbound Flows (1Q2025): BYD, Naura Technology, Cmb, Yangtze Power, Weichai Power

We analyzed Northbound connect data for 1Q2025 and highlight flows for BYD, Naura Technology, Cmb, Yangtze Power, Weichai Power.

Ke Yan, CFA, FRM

CSI300 Index Rebalance Preview: 18 Changes in Dec; Third Plenum; ETF Inflows; Short Sell Crackdown

There could be 18 changes in December. The adds have outperformed the deletes but near-term performance has been meh. There were ETF inflows last...

Brian Freitas

Quiddity CSI 300/500 Dec25 Results: 90% Hit Rate (110/121 Correct); US$9.5bn Combined One-Way Flow