Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

MetaX Integrated Circuits / Index Rebalance

<ul>
<li>The June 2026 index review results for the STAR 50 and STAR 100 indices were announced after market close on Friday 29th May 2026.</li>
<li>There will be four ADDs/DELs for the STAR 50 index and ten ADDs/DELs for the STAR 100 index.</li>
<li>We expect one-way flows of approximately US$2.1bn and US$432mn for the STAR 50 and STAR 100 index rebal events, respectively.</li>
</ul>


The June 2026 index review results for the STAR 50 and STAR 100 indices were announced after market close on Friday 29th May 2026.
There will be four ADDs/DELs for the STAR 50 index and ten ADDs/DELs for the STAR 100 index.
We expect one-way flows of approximately US$2.1bn and US$432mn for the STAR 50 and STAR 100 index rebal events, respectively.


Quiddity STAR 50/100 Jun26 Results: 7/8 Correct for STAR 50, Some Surprises Among STAR 100 ADDs

Asia Pac ECM and Index Rebal, DZT 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.

<ul>
<li>CSI announced four ADDs and four DELETEs for the STAR50 Jun 2026 review, effective 15 Jun 2026.</li>
<li>Our forecast hit one ADD and three DELETEs. We reviewed our HITs and MISSes.</li>
<li>The ADD miss came from one near-zone name and two fast-entry AI-chip names; stock-level positioning now drives whether to chase or fade.</li>
</ul>


CSI announced four ADDs and four DELETEs for the STAR50 Jun 2026 review, effective 15 Jun 2026.
Our forecast hit one ADD and three DELETEs. We reviewed our HITs and MISSes.
The ADD miss came from one near-zone name and two fast-entry AI-chip names; stock-level positioning now drives whether to chase or fade.


STAR50 Jun 2026 Index Rebalance: Post-Announcement Positioning

<ul>
<li>STAR 50 and STAR 100 are tech-focused, blue-chip indices in Mainland China which track the top largest and most liquid names in the STAR market of the Shanghai Stock Exchange.</li>
<li>In this insight, we have presented our final expectations for ADDs and DELs for the upcoming June 2026 index rebal event.</li>
<li>We expect over US$2.6bn combined one-way flows for STAR 50 and STAR 100 during the June 2026 index rebal event.</li>
</ul>


STAR 50 and STAR 100 are tech-focused, blue-chip indices in Mainland China which track the top largest and most liquid names in the STAR market of the Shanghai Stock Exchange.
In this insight, we have presented our final expectations for ADDs and DELs for the upcoming June 2026 index rebal event.
We expect over US$2.6bn combined one-way flows for STAR 50 and STAR 100 during the June 2026 index rebal event.


Quiddity Leaderboard STAR 50/100 Jun26: Final Expectations; ~US$2.6bn Combined One-Way Flows

Yuanjie Semiconductor Technology / Index Rebalance

Yuanjie Semiconductor Technology (688498 CH)

<ul>
<li>We screen the STAR Market eligible universe ahead of the STAR50 May 2026 review.</li>
<li>Two names are high-conviction ADDs this cycle. A third sits at the entry boundary on lower confidence.</li>
<li>The DELETE slate has one clear case and two borderline names, with committee discretion the key variable.</li>
</ul>


We screen the STAR Market eligible universe ahead of the STAR50 May 2026 review.
Two names are high-conviction ADDs this cycle. A third sits at the entry boundary on lower confidence.
The DELETE slate has one clear case and two borderline names, with committee discretion the key variable.


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 nearly complete, we forecast 4 constituent changes for the <a href="https://www.smartkarma.com/entities/sse-science-and-technology-innovation-board-50-index" target="_blank" data-smartkarma-citation="entities:29279:1" rel="noopener">SSE STAR50 (STAR50 INDEX)</a> and 10 constituent changes for the STAR100 Index in June.</li>
<li>Estimated turnover is 6.7% for the <a href="https://www.smartkarma.com/entities/sse-science-and-technology-innovation-board-50-index" target="_blank" data-smartkarma-citation="entities:29279:1" rel="noopener">SSE STAR50 (STAR50 INDEX)</a> and 13.9% for the STAR100 Index. The estimated round-trip net trade is CNY 20.15bn (US$2.95bn).</li>
<li>The forecast adds have outperformed the forecast deletes over the last few weeks and months. The forecast deletes have been pressured by ETF redemptions as momentum continues in the adds.</li>
</ul>


With the review period nearly complete, we forecast 4 constituent changes for the SSE STAR50 (STAR50 INDEX) and 10 constituent changes for the STAR100 Index in June.
Estimated turnover is 6.7% for the SSE STAR50 (STAR50 INDEX) and 13.9% for the STAR100 Index. The estimated round-trip net trade is CNY 20.15bn (US$2.95bn).
The forecast adds have outperformed the forecast deletes over the last few weeks and months. The forecast deletes have been pressured by ETF redemptions as momentum continues in the adds.


STAR50/STAR100 Index Rebalance Preview: Huge Outperformance, ETF Redemptions & Fast Entry Conundrum

China

Xiamen Amoytop Biotech Co., Ltd. operates as a drug development company. The Company develops and sells protein drugs, interferon drugs, and other products. Xiamen Amoytop Biotech markets its products primarily throughout China with limited overseas.

Xiamen Amoytop Biotech Co Ltd (688278 CH)

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Xiamen Amoytop Biotech Co Ltd (688278 CH)

Quiddity STAR 50/100 Jun26 Results: 7/8 Correct for STAR 50, Some Surprises Among STAR 100 ADDs

We predicted 7/8 STAR 50 index changes correctly. However, there were some surprises among the STAR 100 ADDs which might have been due to the...

Janaghan Jeyakumar, CFA

STAR50 Jun 2026 Index Rebalance: Post-Announcement Positioning

STAR50 Jun 2026 post-announcement trading is live. We review individual-stock positioning across ADDs and DELETEs. The opening gap should guide...

Ke Yan, CFA, FRM

Quiddity Leaderboard STAR 50/100 Jun26: Final Expectations; ~US$2.6bn Combined One-Way Flows

The STAR50/100 Jun26 index review results will be confirmed after market close on Friday 29th May 2026. In this insight, we have presented our...

Janaghan Jeyakumar, CFA

STAR50 May 2026 Index Review Forecast

STAR50 May 2026 forecast: we expect Yuanjie Semiconductor, Dosilicon and Raytron Technology to enter, three current members to exit.

Ke Yan, CFA, FRM

STAR50/STAR100 Index Rebalance Preview: Huge Outperformance, ETF Redemptions & Fast Entry Conundrum

There could be 4 changes for the STAR50 and 10 for the STAR100 in June. Fast Entry inclusions depend on the index committee. ETF redemptions...

Brian Freitas

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