Korea / Special Situations, Clepsydra Capital

Sanghyun Park

Korea / Special Situations

Korea / Special Sits, Pairs, Index Rebalancing

Clepsydra Capital

Investigate special situations, pairs, and index rebalancing trades in Korea.

Index Rebalance

Fadu Inc. oprates electronic component manufacturing businesses. The Company produces controller components, integrated circuits, and other products. Fadu conducts businesses in South Korea.

<ul>
<li>I spoke directly with the KRX official overseeing KOSDAQ 150, who confirmed that Fadu’s June exclusion was due to ongoing litigation, putting December inclusion in question.</li>
<li>He also confirmed the six-month normal trading record is irrelevant; Fadu’s inclusion hinges on the court case, with a ruling unlikely before early next year, effectively ruling out December entry.</li>
<li>Simmtech could enter TIGER Semis Top 10 if FnGuide reclassifies it as Semiconductors in November’s MKF500 rebalance, potentially triggering front running and passive flow positioning.</li>
</ul>


I spoke directly with the KRX official overseeing KOSDAQ 150, who confirmed that Fadu’s June exclusion was due to ongoing litigation, putting December inclusion in question.
He also confirmed the six-month normal trading record is irrelevant; Fadu’s inclusion hinges on the court case, with a ruling unlikely before early next year, effectively ruling out December entry.
Simmtech could enter TIGER Semis Top 10 if FnGuide reclassifies it as Semiconductors in November’s MKF500 rebalance, potentially triggering front running and passive flow positioning.


What I've Found on Fadu and Simmtech: Key Near Term Passive Flow Plays

Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Beijing Wantai Biological Phar / Index Rebalance

Beijing Wantai Biological Pharmacy Enterprise Co., Ltd. manufactures medical products. The Company produces enzyme linked immunodiagnostic reagents, colloidal gold rapid diagnostic reagents, vaccines, biochemical reagents, and other products. Beijing Wantai Biological Pharmacy Enterprise also produces diagnostic equipment.

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>We expect five ADDs/DELs for the CSI Medical Service index during the upcoming index rebal  event based on the latest available data.</li>
<li>Nearly 95% of the reference period is now complete. We currently estimate one-way flow to be US$301mn.</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.
We expect five ADDs/DELs for the CSI Medical Service index during the upcoming index rebal  event based on the latest available data.
Nearly 95% of the reference period is now complete. We currently estimate one-way flow to be US$301mn.


Quiddity Leaderboard CSI Medical Dec26: Expectations Have Changed; US$301mn One-Way

DapuStor Corporation designs and manufactures computer storage products. The Company produces solid-state drives (SSD), data storage processor chips, and edge computing-related products. DapuStor provides products for servers, telecom operators, and data centers.

<ul>
<li>ChiNext and ChiNext 50, respectively, represent the top 100 and top 50 A-share stocks listed on the ChiNext Market of the Shenzhen Stock Exchange.</li>
<li>We expect 7 changes for the ChiNext index and 5 changes for the ChiNext 50 index in the next index rebal event.</li>
<li>With approximately 91% of the review period complete, the rankings have largely stabilized.</li>
</ul>


ChiNext and ChiNext 50, respectively, represent the top 100 and top 50 A-share stocks listed on the ChiNext Market of the Shenzhen Stock Exchange.
We expect 7 changes for the ChiNext index and 5 changes for the ChiNext 50 index in the next index rebal event.
With approximately 91% of the review period complete, the rankings have largely stabilized.


Quiddity Leaderboard ChiNext & ChiNext 50 Dec26: Expected ADDs Sharply Down Vs Expected DELs

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

Shenton Research

Shenton 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.

Hua Hong Semiconductor is a global pure-play semiconductor foundry specializing in embedded/standalone non-volatile memory, power discrete, analog & power management, and logic & RF technologies. The company provides diversified wafer fabrication and supporting services for various specialty process platforms. It is headquartered in Shanghai, China, and was founded in 2005.

<ul>
<li>We screen the Mainland Securities ahead of the HSCEI review result, due on 20 Nov 2026 after market close.</li>
<li>One ADD and one DELETE are screened as high-conviction calls this cycle.</li>
<li>We also include one mid-conviction ADD and one low-conviction DELETE.</li>
</ul>


We screen the Mainland Securities ahead of the HSCEI review result, due on 20 Nov 2026 after market close.
One ADD and one DELETE are screened as high-conviction calls this cycle.
We also include one mid-conviction ADD and one low-conviction DELETE.


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

GDS Holdings is a leading developer and operator of high-performance data centers in China. The company provides colocation, managed hosting, and managed cloud services, serving hyperscale cloud service providers, large internet companies, financial institutions, and telecommunications carriers. GDS Holdings was founded in 2001 and is headquartered in Shanghai, China.

<ul>
<li>On 7 October, Hang Seng announced the conclusions of the market consultation to increase the number of <a href="https://www.smartkarma.com/entities/hang-seng-tech-index" target="_blank" data-smartkarma-citation="entities:31367:1" rel="noopener">Hang Seng TECH Index (HSTECH INDEX)</a> constituents from 30 to 50.</li>
<li>While most of the proposals will be implemented as proposed, a liquidity requirement has been tightened, and revenue thresholds have been imposed for companies qualifying through the Sales Growth Stream.</li>
<li>The changes will be implemented in a single step at the December rebalance and that creates a lot of flow for all the index members, current and new.</li>
</ul>


On 7 October, Hang Seng announced the conclusions of the market consultation to increase the number of Hang Seng TECH Index (HSTECH INDEX) constituents from 30 to 50.
While most of the proposals will be implemented as proposed, a liquidity requirement has been tightened, and revenue thresholds have been imposed for companies qualifying through the Sales Growth Stream.
The changes will be implemented in a single step at the December rebalance and that creates a lot of flow for all the index members, current and new.


HSTECH Index: Market Consultation Conclusions, Updated Potential Adds & The Borderline Names

Index Rebalance (APAC)
Insights on APAC Index Rebalance

What I've Found on Fadu and Simmtech: Key Near Term Passive Flow Plays

This post shares my latest findings on Fadu and Simmtech, two names drawing the most attention from a near term local passive flow perspective.

Sanghyun Park

Quiddity Leaderboard CSI Medical Dec26: Expectations Have Changed; US$301mn One-Way

There are three index members failing the liquidity test by narrow margins and they should be monitored until the end of the reference period.

Janaghan Jeyakumar, CFA

Quiddity Leaderboard ChiNext & ChiNext 50 Dec26: Expected ADDs Sharply Down Vs Expected DELs

We see US$373mn and US220mn one-way flows for ChiNext and ChiNext 50 respectively. ChiNext expectations are mostly final but ChiNext 50...

Janaghan Jeyakumar, CFA

HSCEI Dec 2026 Index Rebalance Forecast

We expect Shenzhou to be deleted below rank 60 and Hua Hong Grace to fill its seat, while a mid-conviction WuXi Bio ADD would also see ZTO deleted.

Ke Yan, CFA, FRM

HSTECH Index: Market Consultation Conclusions, Updated Potential Adds & The Borderline Names

Introduction/tightening of revenue/liquidity criteria changes the list of potential adds. Estimated one-way turnover at the Dec rebalance is 14.2%...

Brian Freitas