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 Jun 12th. The aggregated short interest was USD47.7bn.</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 Shin Kong Financial, Yang Ming Marine, UMC, Realtek Semiconductor, TSMC.</li>
</ul>


We analyzed the changes in short interest of TWSE Stocks as of Jun 12th. The aggregated short interest was USD47.7bn.
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 Shin Kong Financial, Yang Ming Marine, UMC, Realtek Semiconductor, TSMC.


TWSE Short Interest Weekly (Jun 12th): Shin Kong Financial, Yang Ming Marine, UMC, TSMC

Managing Director, Zero One, Zero One

Vincent Fernando, CFA

Managing Director, Zero One

Zero One

Founded in 2015, Zero One produces independent investment research and provides corporate finance advisory services with a focus on both listed and private technology companies. Founder Vincent Fernando has over 20 years of experience in US and Asia capital markets.

Independent Investment Research

Equity Bottom-Up

TSMC (Taiwan Semiconductor Manufacturing) / Equity Bottom-Up

TSMC (Taiwan Semiconductor Manufacturing) (TSM US)

TSMC (Taiwan Semiconductor Manufacturing)

<ul>
<li>COMPUTEX and GTC Taipei drove TSMC and the TAIEX to records, before a US$1.3tn AI selloff in the U.S. sent Taiwan index futures down a record 6.65%.</li>
<li>The trigger was expectations, not fundamentals: Broadcom beat but held rather than raised its long-term AI target, and a hot US jobs report killed Fed rate-cut hopes.</li>
<li>Yet demand kept accelerating through the rout: Winbond, Foxconn and Aspeed posted record sales, and Apollo and Blackstone closed US$35bn to buy AI chips for Anthropic.</li>
</ul>


COMPUTEX and GTC Taipei drove TSMC and the TAIEX to records, before a US$1.3tn AI selloff in the U.S. sent Taiwan index futures down a record 6.65%.
The trigger was expectations, not fundamentals: Broadcom beat but held rather than raised its long-term AI target, and a hot US jobs report killed Fed rate-cut hopes.
Yet demand kept accelerating through the rout: Winbond, Foxconn and Aspeed posted record sales, and Apollo and Blackstone closed US$35bn to buy AI chips for Anthropic.


Taiwan Tech Weekly: COMPUTEX Drives TSMC to Records, Then a US$1.3tn AI Selloff

Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

<ul>
<li>The index changes for the T50, T100, and TDIV indices were confirmed after market close on Friday 6th March 2026.</li>
<li>There will be five ADDs/DELs for T50, five ADDs/six DELs for T100, and one DEL for TDIV.</li>
<li>All of these are exactly in line with our final expectations. The announced reserve lists for T50/T100 were also perfectly in line with rankings presented in our base date Leaderboard.</li>
</ul>


The index changes for the T50, T100, and TDIV indices were confirmed after market close on Friday 6th March 2026.
There will be five ADDs/DELs for T50, five ADDs/six DELs for T100, and one DEL for TDIV.
All of these are exactly in line with our final expectations. The announced reserve lists for T50/T100 were also perfectly in line with rankings presented in our base date Leaderboard.


Quiddity T50/100/TDIV Mar26 Results: 100% Hit Rate; US$1.7bn+ Total One-Way Flows

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

<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>Today is the base date for the September 2025 index rebal event and the expected ADDs/DELs discussed in this insight are our final index change expectations.</li>
<li>We expect two changes for T50 and five changes for the T100 index for the September 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 September 2025 index rebal event and the expected ADDs/DELs discussed in this insight are our final index change expectations.
We expect two changes for T50 and five changes for the T100 index for the September 2025 rebal.


Quiddity Leaderboard T50/​​​100 Sep25: Final Expectations; Tung Ho Steel Safe from TDIV Deletion

Taiwan

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

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YFY Inc (1907 TT)

TWSE Short Interest Weekly (Jun 12th): Shin Kong Financial, Yang Ming Marine, UMC, TSMC

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Shin Kong Financial, Yang Ming Marine, UMC,...

Ke Yan, CFA, FRM

Taiwan Tech Weekly: COMPUTEX Drives TSMC to Records, Then a US$1.3tn AI Selloff

COMPUTEX and GTC Taipei drove TSMC & TAIEX to records, but a US$1.3tn U.S. AI selloff caused Taiwan index futures to drop 6.65%. Nevertheless,...

Vincent Fernando, CFA

Quiddity T50/100/TDIV Mar26 Results: 100% Hit Rate; US$1.7bn+ Total One-Way Flows

Yulon Finance (9941 TT) is confirmed as a TDIV DEL because it is a T100 DEL which makes it ineligible for the TDIV index. There could be more than...

Janaghan Jeyakumar, CFA

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

Quiddity Leaderboard T50/100 Sep25: Final Expectations; Tung Ho Steel Safe from TDIV Deletion

T100 and TDIV index member Tung Ho Steel Enterprise (2006 TT) is unlikely to be deleted from T100 or TDIV in September 2025.

Janaghan Jeyakumar, CFA

Price Gauge

52-week Range

Market Cap (USDm)

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TWSE Short Interest Weekly (Jun 12th): Shin Kong Financial, Yang Ming Marine, UMC, TSMC

We analyzed TWSE short interest report for the past week and highlighted short interest changes in Shin Kong Financial, Yang Ming Marine, UMC,...

Ke Yan, CFA, FRM

Taiwan Tech Weekly: COMPUTEX Drives TSMC to Records, Then a US$1.3tn AI Selloff

​COMPUTEX and GTC Taipei drove TSMC & TAIEX to records, but a US$1.3tn U.S. AI selloff caused Taiwan index futures to drop 6.65%. Nevertheless,...

Vincent Fernando, CFA

Quiddity T50/100/TDIV Mar26 Results: 100% Hit Rate; US$1.7bn+ Total One-Way Flows

Yulon Finance (9941 TT) is confirmed as a TDIV DEL because it is a T100 DEL which makes it ineligible for the TDIV index. There could be more than...

Janaghan Jeyakumar, CFA

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

Quiddity Leaderboard T50/​​​100 Sep25: Final Expectations; Tung Ho Steel Safe from TDIV Deletion

T100 and TDIV index member Tung Ho Steel Enterprise (2006 TT) is unlikely to be deleted from T100 or TDIV in September 2025.

Janaghan Jeyakumar, CFA

COMPUTEX and GTC Taipei drove TSMC & TAIEX to records, but a US$1.3tn U.S. AI selloff caused Taiwan index futures to drop 6.65%. Nevertheless,...

Quiddity Leaderboard T50/100 Sep25: Final Expectations; Tung Ho Steel Safe from TDIV Deletion