Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

Tung Ho Steel Enterprise / Index Rebalance

<ul>
<li>The T50 index represents the top 50 largest stocks by market capitalization in the Taiwan Stock Exchange (TWSE). The T100 index represents the next 100 largest names (51-150 ranks).</li>
<li>In this insight, we take a look at the potential ADDs and DELs for the September 2025 index rebal event.</li>
<li>Currently, we see no changes for T50 and two changes for T100 in September.</li>
</ul>


The T50 index represents the top 50 largest stocks by market capitalization in the Taiwan Stock Exchange (TWSE). The T100 index represents the next 100 largest names (51-150 ranks).
In this insight, we take a look at the potential ADDs and DELs for the September 2025 index rebal event.
Currently, we see no changes for T50 and two changes for T100 in September.


Quiddity Leaderboard T50/​​​100 Sep25: Tung Ho Steel TDIV Deletion Gets Closer than Before

<ul>
<li>The T50 index represents the top 50 largest stocks by market capitalization in the Taiwan Stock Exchange (TWSE). The T100 index represents the next 100 largest names (51-150 ranks).</li>
<li>In this insight, we take a look at the potential ADDs and DELs for the September 2025 index rebal event.</li>
<li>Currently, we see no changes for T50 and one change for T100 in September.</li>
</ul>


The T50 index represents the top 50 largest stocks by market capitalization in the Taiwan Stock Exchange (TWSE). The T100 index represents the next 100 largest names (51-150 ranks).
In this insight, we take a look at the potential ADDs and DELs for the September 2025 index rebal event.
Currently, we see no changes for T50 and one change for T100 in September.


Quiddity Leaderboard T50/​​​100 Sep25: Shin Kong Replacement + One Dark Horse TDIV Potential DEL

<ul>
<li>The T50 index represents the top 50 largest stocks by market capitalization in the Taiwan Stock Exchange (TWSE). The T100 index represents the <em>next</em> 100 largest names (51-150 ranks).</li>
<li>These indices are rebalanced quarterly. In this insight, we take a look at the names leading the race to become ADDs/DELs for the September 2024 index rebal event.</li>
<li>T50/100 index changes can also trigger TDIV index changes. <a href="https://www.smartkarma.com/entities/nuvoton-technology-corp" target="_blank" data-smartkarma-citation="entities:15913:1" rel="noopener">Nuvoton Technology (4919 TT)</a> could be involved in such a move in September 2024.</li>
</ul>


The T50 index represents the top 50 largest stocks by market capitalization in the Taiwan Stock Exchange (TWSE). The T100 index represents the next 100 largest names (51-150 ranks).
These indices are rebalanced quarterly. In this insight, we take a look at the names leading the race to become ADDs/DELs for the September 2024 index rebal event.
T50/100 index changes can also trigger TDIV index changes. Nuvoton Technology (4919 TT) could be involved in such a move in September 2024.


Quiddity Leaderboard T50/​​​100 Sep 24: Nuvoton Tech TDIV Deletion Is the Talking Point

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 Mar 15th which has an aggregated short interest worth USD70.1bn.</li>
<li>We tabulate league table 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 Wistron, Hon Hai, Asia Vital, Wt, Umc, Unimicron Tech, Wiwynn, Mediatek.</li>
</ul>


We analyzed the changes in short interest of TWSE Stocks as of Mar 15th which has an aggregated short interest worth USD70.1bn.
We tabulate league table 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 Wistron, Hon Hai, Asia Vital, Wt, Umc, Unimicron Tech, Wiwynn, Mediatek.


TWSE Short Interest Weekly (Mar 15th): Wistron, Hon Hai, Asia Vital, Wt, Umc, Unimicron Tech, Wiwynn

<ul>
<li>We analyzed the changes in short interest of TWSE Stocks as of Feb 2nd which has an aggregated short interest worth USD63.2bn.</li>
<li>We tabulate league table 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 Wt, Evergreen Marine, Mediatek, Alchip Tech, Wiwynn, TSMC, Quanta Computer, Asia Vital.</li>
</ul>


We analyzed the changes in short interest of TWSE Stocks as of Feb 2nd which has an aggregated short interest worth USD63.2bn.
We tabulate league table 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 Wt, Evergreen Marine, Mediatek, Alchip Tech, Wiwynn, TSMC, Quanta Computer, Asia Vital.


TWSE Short Interest Weekly (Feb 2nd): Wt, Evergreen Marine, Mediatek, Alchip Tech, Wiwynn, TSMC

Taiwan

YFY Inc. manufactures and sells paper pulp and various paper products.

Price Gauge
52-week Range	0.00 - 0.00
Market Cap (USDm)	0.00
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Dividend (Yield)	0.00

YFY Inc (1907 TT)

Quiddity Leaderboard T50/100 Sep25: Tung Ho Steel TDIV Deletion Gets Closer than Before

Tung Ho Steel (2006 TT) will need to underperform other names by 13% to be an unconditional T100 DEL and get deleted from TDIV. However, there are...

Janaghan Jeyakumar, CFA

Quiddity Leaderboard T50/100 Sep25: Shin Kong Replacement + One Dark Horse TDIV Potential DEL

T100 and TDIV member Tung Ho Steel (2006 TT) is ranked 157th in the T100 selection process and could get deleted from T100 and TDIV if it...

Janaghan Jeyakumar, CFA

Quiddity Leaderboard T50/100 Sep 24: Nuvoton Tech TDIV Deletion Is the Talking Point

We do not see any changes for the T50 index at present. However, we see three changes for the T100 index and one of the DELs - Nuvoton Tech - could...

Janaghan Jeyakumar, CFA

TWSE Short Interest Weekly (Mar 15th): Wistron, Hon Hai, Asia Vital, Wt, Umc, Unimicron Tech, Wiwynn

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Wistron, Hon Hai, Asia Vital, Wt, Umc, Unimicron...

Ke Yan, CFA, FRM

TWSE Short Interest Weekly (Feb 2nd): Wt, Evergreen Marine, Mediatek, Alchip Tech, Wiwynn, TSMC

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Wt, Evergreen Marine, Mediatek, Alchip Tech,...

Ke Yan, CFA, FRM

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)

Quiddity Leaderboard T50/​​​100 Sep25: Tung Ho Steel TDIV Deletion Gets Closer than Before

Tung Ho Steel (2006 TT) will need to underperform other names by 13% to be an unconditional T100 DEL and get deleted from TDIV. However, there are...

Janaghan Jeyakumar, CFA

Quiddity Leaderboard T50/​​​100 Sep25: Shin Kong Replacement + One Dark Horse TDIV Potential DEL

T100 and TDIV member Tung Ho Steel (2006 TT) is ranked 157th in the T100 selection process and could get deleted from T100 and TDIV if it...

Janaghan Jeyakumar, CFA

Quiddity Leaderboard T50/​​​100 Sep 24: Nuvoton Tech TDIV Deletion Is the Talking Point

We do not see any changes for the T50 index at present. However, we see three changes for the T100 index and one of the DELs - Nuvoton Tech - could...

Janaghan Jeyakumar, CFA

TWSE Short Interest Weekly (Mar 15th): Wistron, Hon Hai, Asia Vital, Wt, Umc, Unimicron Tech, Wiwynn

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Wistron, Hon Hai, Asia Vital, Wt, Umc, Unimicron...

Ke Yan, CFA, FRM

TWSE Short Interest Weekly (Feb 2nd): Wt, Evergreen Marine, Mediatek, Alchip Tech, Wiwynn, TSMC

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Wt, Evergreen Marine, Mediatek, Alchip Tech,...

Ke Yan, CFA, FRM

Quiddity Leaderboard T50/100 Sep25: Tung Ho Steel TDIV Deletion Gets Closer than Before

Quiddity Leaderboard T50/100 Sep25: Shin Kong Replacement + One Dark Horse TDIV Potential DEL

Quiddity Leaderboard T50/100 Sep 24: Nuvoton Tech TDIV Deletion Is the Talking Point