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>Today is the base date for the December 2025 index rebal event and the expected ADDs/DELs discussed in this insight are our final index change expectations.</li>
<li>We expect four changes for T50 and three <em>additional</em> changes for the T100 index for the December 2025 rebal.</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).
Today is the base date for the December 2025 index rebal event and the expected ADDs/DELs discussed in this insight are our final index change expectations.
We expect four changes for T50 and three additional changes for the T100 index for the December 2025 rebal.


Quiddity Leaderboard T50/​​​100 Dec25: Final Ranks; Tung Ho Escapes TDIV Deletion!

<ul>
<li>The TDIV index tracks the top 50 names in the Taiwan Stock Exchange with the highest dividend yields. It is a yield-weighted index with unique capping rules.</li>
<li>In this insight, we take look at Quiddity's expectations for index changes and capping flows for the TDIV Index for the December 2025 index rebal event.</li>
<li>We expect at least six index changes for the TDIV index. On top of that, there will be capping flows too.</li>
</ul>


The TDIV index tracks the top 50 names in the Taiwan Stock Exchange with the highest dividend yields. It is a yield-weighted index with unique capping rules.
In this insight, we take look at Quiddity's expectations for index changes and capping flows for the TDIV Index for the December 2025 index rebal event.
We expect at least six index changes for the TDIV index. On top of that, there will be capping flows too.


Quiddity Leaderboard TDIV Dec25: ~US$3bn One-Way; Some Changes to Expectations; New Ideas

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 foreign holdings of TWSE Stocks as of Oct 3rd. The aggregated holding was USD1,352.5bn.</li>
<li>We estimate that foreign flows to be inflows of USD1,460mln. 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 TSMC, MediaTek, Hon Hai Precision, Quanta Computer, Wistron, TSMC, Hon Hai Precision, Quanta Computer, Wistron, Mediatek.</li>
</ul>


We analyzed the changes in foreign holdings of TWSE Stocks as of Oct 3rd. The aggregated holding was USD1,352.5bn.
We estimate that foreign flows to be inflows of USD1,460mln. 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 TSMC, MediaTek, Hon Hai Precision, Quanta Computer, Wistron, TSMC, Hon Hai Precision, Quanta Computer, Wistron, Mediatek.


TWSE Foreign Holding Weekly (Oct 3rd): TSMC, MediaTek, Hon Hai Precision, Quanta Computer, Wistron

<ul>
<li>We analyzed the changes in short interest of TWSE Stocks as of Sep 19th. The aggregated short interest was USD27.4bn.</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, Winbond Electronics, MiTAC, Unimicron Technology, Asustek Computer, Yageo, Winbond Electronics, MiTAC, Unimicron Technology, Asustek Computer.</li>
</ul>


We analyzed the changes in short interest of TWSE Stocks as of Sep 19th. The aggregated short interest was USD27.4bn.
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, Winbond Electronics, MiTAC, Unimicron Technology, Asustek Computer, Yageo, Winbond Electronics, MiTAC, Unimicron Technology, Asustek Computer.


TWSE Short Interest Weekly (Sep 19th): Yageo, Winbond Electronics, MiTAC, Unimicron Technology

<ul>
<li>We analyzed the changes in short interest of TWSE Stocks as of Sep 12th. The aggregated short interest was USD26.9bn.</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 Lite-On Technology, MiTAC, Accton Technology, Elite Material, Wiwynn, Lite-On Technology, MiTAC, Accton Technology, Elite Material, Wiwynn.</li>
</ul>


We analyzed the changes in short interest of TWSE Stocks as of Sep 12th. The aggregated short interest was USD26.9bn.
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 Lite-On Technology, MiTAC, Accton Technology, Elite Material, Wiwynn, Lite-On Technology, MiTAC, Accton Technology, Elite Material, Wiwynn.


TWSE Short Interest Weekly (Sep 12th): Lite-On Technology, MiTAC, Accton Technology, Elite Material

Taiwan

Qisda Corporation manufactures and markets computer peripheral, communication, and consumer electronic products.  The Company also provides consulting and technical services.  The main products are multimedia displays, keyboards, scanners, mobile phones, and compact disk read only memory (CD-ROM) drives.

Price Gauge
52-week Range	0.00 - 0.00
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Dividend (Yield)	0.00

Qisda Corp (2352 TT)

Quiddity Leaderboard T50/100 Dec25: Final Ranks; Tung Ho Escapes TDIV Deletion!

After the sharp jump in share price, Tung Ho Steel Enterprise (2006 TT) is unlikely to be deleted from T100 or TDIV in December 2025.

Janaghan Jeyakumar, CFA

Quiddity Leaderboard TDIV Dec25: ~US$3bn One-Way; Some Changes to Expectations; New Ideas

Based on our latest estimates, many names have very high-impact flow expectations. There have been some changes to our expected ADDs/DELs list...

Janaghan Jeyakumar, CFA

TWSE Foreign Holding Weekly (Oct 3rd): TSMC, MediaTek, Hon Hai Precision, Quanta Computer, Wistron

We analyzed TWSE foreign holding data for the past week and highlighted foreign holding changes in TSMC (2330 TT), MediaTek (2454 TT), Hon Hai...

Ke Yan, CFA, FRM

TWSE Short Interest Weekly (Sep 19th): Yageo, Winbond Electronics, MiTAC, Unimicron Technology

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Yageo (2327 TT), Winbond Electronics (2344 TT),...

Ke Yan, CFA, FRM

TWSE Short Interest Weekly (Sep 12th): Lite-On Technology, MiTAC, Accton Technology, Elite Material

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Lite-On Technology (2301 TT), MiTAC (3706 TT),...

Ke Yan, CFA, FRM

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)

Quiddity Leaderboard T50/​​​100 Dec25: Final Ranks; Tung Ho Escapes TDIV Deletion!

After the sharp jump in share price, Tung Ho Steel Enterprise (2006 TT) is unlikely to be deleted from T100 or TDIV in December 2025.

Janaghan Jeyakumar, CFA

Quiddity Leaderboard TDIV Dec25: ~US$3bn One-Way; Some Changes to Expectations; New Ideas

Based on our latest estimates, many names have very high-impact flow expectations. There have been some changes to our expected ADDs/DELs list...

Janaghan Jeyakumar, CFA

TWSE Foreign Holding Weekly (Oct 3rd): TSMC, MediaTek, Hon Hai Precision, Quanta Computer, Wistron

We analyzed TWSE foreign holding data for the past week and highlighted foreign holding changes in TSMC (2330 TT), MediaTek (2454 TT), Hon Hai...

Ke Yan, CFA, FRM

TWSE Short Interest Weekly (Sep 19th): Yageo, Winbond Electronics, MiTAC, Unimicron Technology

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Yageo (2327 TT), Winbond Electronics (2344 TT),...

Ke Yan, CFA, FRM

TWSE Short Interest Weekly (Sep 12th): Lite-On Technology, MiTAC, Accton Technology, Elite Material

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Lite-On Technology (2301 TT), MiTAC (3706 TT),...

Ke Yan, CFA, FRM

Quiddity Leaderboard T50/100 Dec25: Final Ranks; Tung Ho Escapes TDIV Deletion!