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 analyzed the changes in short interest of TWSE Stocks as of Sep 26th. The aggregated short interest was USD26.4bn.</li>
<li>We tabulate league tables for top short by value and short as multiple of ADT, as well as weekly increases &amp; decreases in short value, short as multiple of ADT.</li>
<li>We highlight short interest changes in Yageo, Taiwan Cement, Unimicron Technology, Delta Electronics, TSMC, Yageo, Taiwan Cement, Unimicron Technology, Delta Electronics, TSMC.</li>
</ul>


We analyzed the changes in short interest of TWSE Stocks as of Sep 26th. The aggregated short interest was USD26.4bn.
We tabulate league tables for top short by value and short as multiple of ADT, as well as weekly increases &amp; decreases in short value, short as multiple of ADT.
We highlight short interest changes in Yageo, Taiwan Cement, Unimicron Technology, Delta Electronics, TSMC, Yageo, Taiwan Cement, Unimicron Technology, Delta Electronics, TSMC.


TWSE Short Interest Weekly (Sep 26th): Yageo, Taiwan Cement, Unimicron Technology, Delta Electronics

<ul>
<li>We analyzed the changes in foreign holdings of TWSE Stocks as of Sep 19th. The aggregated holding was USD1,278.2bn.</li>
<li>We estimate that foreign flows to be inflows of USD1,280mln. We tabulate the league tables for top changes by value for 1W/4W/1Y and top stocks held by foreign institutions.</li>
<li>We highlight changes of foreign holdings in Hon Hai Precision, Nanya Technology, TSMC, Unimicron Technology, Accton Technology, Hon Hai Precision, Nanya Technology, TSMC, Unimicron Technology, Accton Technology.</li>
</ul>


We analyzed the changes in foreign holdings of TWSE Stocks as of Sep 19th. The aggregated holding was USD1,278.2bn.
We estimate that foreign flows to be inflows of USD1,280mln. We tabulate the league tables for top changes by value for 1W/4W/1Y and top stocks held by foreign institutions.
We highlight changes of foreign holdings in Hon Hai Precision, Nanya Technology, TSMC, Unimicron Technology, Accton Technology, Hon Hai Precision, Nanya Technology, TSMC, Unimicron Technology, Accton Technology.


TWSE Foreign Holding Weekly (Sep 19th): Hon Hai Precision, Nanya Technology, TSMC

Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

Hua Nan Financial Holdings Co Ltd. / Index Rebalance

Hua Nan Financial Holdings Co Ltd. (2880 TT)

<ul>
<li>The index changes for the T50/100 index family and the TDIV index were confirmed after market close on Friday 5th September 2025.</li>
<li>There will be two ADD/DEL for T50, five separate ADDs/DELs for T100, and no changes for TDIV.</li>
<li>All of these are exactly in line with our final expectations.</li>
</ul>


The index changes for the T50/100 index family and the TDIV index were confirmed after market close on Friday 5th September 2025.
There will be two ADD/DEL for T50, five separate ADDs/DELs for T100, and no changes for TDIV.
All of these are exactly in line with our final expectations.


Quiddity T50/100/DIV Sep25 Results: 100% Hit Rate; M&A DEL King's Town to Trigger Intra-Review Flows

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

Caliway Biopharmaceuticals / Index Rebalance

<ul>
<li>
<a href="https://www.smartkarma.com/entities/caliway-biopharmaceuticals-co-ltd" target="_blank" data-smartkarma-citation="entities:44038:1" rel="noopener">Caliway Biopharmaceuticals (6919 TT)</a> and <a href="https://www.smartkarma.com/entities/king-slide-works-co-ltd" target="_blank" data-smartkarma-citation="entities:7130:1" rel="noopener">King Slide Works (2059 TT)</a> replace <a href="https://www.smartkarma.com/entities/taiwan-cement" target="_blank" data-smartkarma-citation="entities:19736:1" rel="noopener">Taiwan Cement (1101 TT)</a> and <a href="https://www.smartkarma.com/entities/pharmaessentia-corp" target="_blank" data-smartkarma-citation="entities:16461:1" rel="noopener">Pharmaessentia Corp (6446 TT)</a> in the Yuanta/P-Shares Taiwan Top 50 ETF in September.</li>
<li>
<a href="https://www.smartkarma.com/entities/caliway-biopharmaceuticals-co-ltd" target="_blank" data-smartkarma-citation="entities:44038:1" rel="noopener">Caliway Biopharmaceuticals (6919 TT)</a> and <a href="https://www.smartkarma.com/entities/king-slide-works-co-ltd" target="_blank" data-smartkarma-citation="entities:7130:1" rel="noopener">King Slide Works (2059 TT)</a> were added to a global index in August and that resulted in a large percentage of float being bought.</li>
<li>
<a href="https://www.smartkarma.com/entities/caliway-biopharmaceuticals-co-ltd" target="_blank" data-smartkarma-citation="entities:44038:1" rel="noopener">Caliway Biopharmaceuticals (6919 TT)</a> will be added to another global index in September and that will further reduce the real float of the stock.</li>
</ul>



Caliway Biopharmaceuticals (6919 TT) and King Slide Works (2059 TT) replace Taiwan Cement (1101 TT) and Pharmaessentia Corp (6446 TT) in the Yuanta/P-Shares Taiwan Top 50 ETF in September.

Caliway Biopharmaceuticals (6919 TT) and King Slide Works (2059 TT) were added to a global index in August and that resulted in a large percentage of float being bought.

Caliway Biopharmaceuticals (6919 TT) will be added to another global index in September and that will further reduce the real float of the stock.


Taiwan Top 50 ETF Rebalance: Another Inclusion for Caliway Biopharma & King Slide

<ul>
<li>There could be 2 changes for the Yuanta/P-Shares Taiwan Top 50 ETF in September - both changes are high probability.</li>
<li>
<a href="https://www.smartkarma.com/entities/caliway-biopharmaceuticals-co-ltd" target="_blank" data-smartkarma-citation="entities:44038:1" rel="noopener">Caliway Biopharmaceuticals (6919 TT)</a> and <a href="https://www.smartkarma.com/entities/king-slide-works-co-ltd" target="_blank" data-smartkarma-citation="entities:7130:1" rel="noopener">King Slide Works (2059 TT)</a> are being added to a global index at the close today and are potential inclusions to the ETF in September.</li>
<li>
<a href="https://www.smartkarma.com/entities/caliway-biopharmaceuticals-co-ltd" target="_blank" data-smartkarma-citation="entities:44038:1" rel="noopener">Caliway Biopharmaceuticals (6919 TT)</a> will also be added to another global index at the close on 19 September, so more passive inflows for the stock. Reversion thereafter?</li>
</ul>


There could be 2 changes for the Yuanta/P-Shares Taiwan Top 50 ETF in September - both changes are high probability.

Caliway Biopharmaceuticals (6919 TT) and King Slide Works (2059 TT) are being added to a global index at the close today and are potential inclusions to the ETF in September.

Caliway Biopharmaceuticals (6919 TT) will also be added to another global index at the close on 19 September, so more passive inflows for the stock. Reversion thereafter?


Taiwan Top 50 ETF Rebalance Preview: Hat Trick for Caliway Biopharma?

Taiwan

Taiwan Cement Corporation manufactures and markets cement.  The Company's products include Portland cement, high strength cement, oil well cement, and sludge treatment agents.  Through its subsidiaries, the Company also operates in transportation, construction, and information products businesses.

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Taiwan Cement (1101 TT)

TWSE Short Interest Weekly (Sep 26th): Yageo, Taiwan Cement, Unimicron Technology, Delta Electronics

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Yageo (2327 TT), Taiwan Cement (1101 TT),...

Ke Yan, CFA, FRM

TWSE Foreign Holding Weekly (Sep 19th): Hon Hai Precision, Nanya Technology, TSMC

We analyzed TWSE foreign holding data for the past week and highlighted foreign holding changes in Hon Hai Precision (2317 TT), Nanya Technology...

Ke Yan, CFA, FRM

Quiddity T50/100/DIV Sep25 Results: 100% Hit Rate; M&A DEL King's Town to Trigger Intra-Review Flows

We expect US$866mn one-way flows for the TDIV index. There are few high-impact names with more than 3x ADV to trade. Some of the high-impact names...

Janaghan Jeyakumar, CFA

Taiwan Top 50 ETF Rebalance: Another Inclusion for Caliway Biopharma & King Slide

Caliway Biopharma and King Slide are adds at the close on 19 Sep. Both stocks were added to a global index end August and Caliway has another...

Brian Freitas

Taiwan Top 50 ETF Rebalance Preview: Hat Trick for Caliway Biopharma?

There could be 2 changes for the ETF in Sep. Caliway and King Slide are inclusions to a global index at the close today. Passive trackers of...

Brian Freitas

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