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!

Pan-Asia Catalysts/Events, Quiddity Advisors

Travis Lundy

<ul>
<li>A major global index provider announced its quarterly review on 5th November 2025. The rebalance will take place on 24th November 2025.</li>
<li>There were 133 changes announced. We got 115 of these 133 changes - around 86%.</li>
<li>In this insight, we have presented our final flow expectations for the confirmed index changes and provide a few comments on specific situations.</li>
</ul>


A major global index provider announced its quarterly review on 5th November 2025. The rebalance will take place on 24th November 2025.
There were 133 changes announced. We got 115 of these 133 changes - around 86%.
In this insight, we have presented our final flow expectations for the confirmed index changes and provide a few comments on specific situations.


[Quiddity Index] Final Flows for the Major Global Index Rebal in November 2025: US$42bn One-Way

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 Oct 31st. The aggregated short interest was USD28.2bn.</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, Yageo, TECO Electric &amp; Machinery, WT Microelectronics, Nanya Technology, Lite-On Technology, Yageo, TECO Electric &amp; Machinery, WT Microelectronics, Nanya Technology.</li>
</ul>


We analyzed the changes in short interest of TWSE Stocks as of Oct 31st. The aggregated short interest was USD28.2bn.
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, Yageo, TECO Electric &amp; Machinery, WT Microelectronics, Nanya Technology, Lite-On Technology, Yageo, TECO Electric &amp; Machinery, WT Microelectronics, Nanya Technology.


TWSE Short Interest Weekly (Oct 31st): Lite-On Technology, Yageo, TECO Electric & Machinery

The Shanghai Commerical & Sa / 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 December 2025 index rebal event.</li>
<li>We currently see three changes for T50 and three other changes for T100 in December 2025.</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 December 2025 index rebal event.
We currently see three changes for T50 and three other changes for T100 in December 2025.


Quiddity Leaderboard T50/​​​100 Dec25: High-Impact Passive Sell-Off for Shanghai Commercial (5876)

<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 December 2025 index rebal event.</li>
<li>Currently, we see two changes for T50 and two changes for T100 in December.</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 December 2025 index rebal event.
Currently, we see two changes for T50 and two changes for T100 in December.


Quiddity Leaderboard T50/​​​100 Dec25: Tung Ho Steel TDIV Deletion In the Money Now

Taiwan

Chroma Ate Inc. manufactures and markets electronic and automation measuring instruments.  The Company's main products are test and measurement instruments, auto test equipment, power electronics, uninterrupted power supply (UPS), telecommunication power systems, industrial computers, and special materials.

Price Gauge
52-week Range	0.00 - 0.00
Market Cap (USDm)	0.00
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Chroma Ate Inc (2360 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 Index] Final Flows for the Major Global Index Rebal in November 2025: US$42bn One-Way

The Global Index Provider who rebalances in November announced their changes. There were a couple of surprises for us (we calculated float/FOL...

Travis Lundy

TWSE Short Interest Weekly (Oct 31st): Lite-On Technology, Yageo, TECO Electric & Machinery

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Lite-On Technology (2301 TT), Yageo (2327 TT),...

Ke Yan, CFA, FRM

Quiddity Leaderboard T50/100 Dec25: High-Impact Passive Sell-Off for Shanghai Commercial (5876)

There could be ~19x ADV of net passive selling for Shanghai Commerical (5876 TT). Separately, Tung Ho Steel (2006 TT) could get deleted from T100...

Janaghan Jeyakumar, CFA

Quiddity Leaderboard T50/100 Dec25: Tung Ho Steel TDIV Deletion In the Money Now

TDIV member Tung Ho Steel (2006 TT) is an expected DEL for T100 right now and that means it is also an expected DEL for the TDIV index in December...

Janaghan Jeyakumar, CFA

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 Index] Final Flows for the Major Global Index Rebal in November 2025: US$42bn One-Way

The Global Index Provider who rebalances in November announced their changes. There were a couple of surprises for us (we calculated float/FOL...

Travis Lundy

TWSE Short Interest Weekly (Oct 31st): Lite-On Technology, Yageo, TECO Electric & Machinery

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Lite-On Technology (2301 TT), Yageo (2327 TT),...

Ke Yan, CFA, FRM

Quiddity Leaderboard T50/​​​100 Dec25: High-Impact Passive Sell-Off for Shanghai Commercial (5876)

There could be ~19x ADV of net passive selling for Shanghai Commerical (5876 TT). Separately, Tung Ho Steel (2006 TT) could get deleted from T100...

Janaghan Jeyakumar, CFA

Quiddity Leaderboard T50/​​​100 Dec25: Tung Ho Steel TDIV Deletion In the Money Now

TDIV member Tung Ho Steel (2006 TT) is an expected DEL for T100 right now and that means it is also an expected DEL for the TDIV index in December...

Janaghan Jeyakumar, CFA

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

Quiddity Leaderboard T50/100 Dec25: High-Impact Passive Sell-Off for Shanghai Commercial (5876)

Quiddity Leaderboard T50/100 Dec25: Tung Ho Steel TDIV Deletion In the Money Now