Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

<ul>
<li>Quiddity's "Who is Ready" series of insights aims to objectively identify names listed on the Tokyo Stock Exchange that are potential additions to the TOPIX Index in future.</li>
<li>
<a href="https://www.smartkarma.com/entities/japan-business-systems-inc" target="_blank" data-smartkarma-citation="entities:40379:1" rel="noopener">Japan Business Systems (5036 JP)</a> and <a href="https://www.smartkarma.com/entities/orion-breweries-ltd" target="_blank" data-smartkarma-citation="entities:45701:1" rel="noopener">Orion Breweries (409A JP)</a> were included in the TOPIX index at the end of October 2025. </li>
<li>
<a href="https://www.smartkarma.com/entities/japan-eyewear-holdings-co-ltd" target="_blank" data-smartkarma-citation="entities:40217:1" rel="noopener">Japan Eyewear Holdings (5889 JP)</a>, <a href="https://www.smartkarma.com/entities/fit-easy-inc" target="_blank" data-smartkarma-citation="entities:45319:1" rel="noopener">FIT EASY (212A JP)</a>, and <a href="https://www.smartkarma.com/entities/tekscend-photomask-corp" target="_blank" data-smartkarma-citation="entities:45819:1" rel="noopener">Tekscend Photomask (429A JP)</a> will be included in the TOPIX index at the end of November 2025.</li>
</ul>


Quiddity's "Who is Ready" series of insights aims to objectively identify names listed on the Tokyo Stock Exchange that are potential additions to the TOPIX Index in future.

Japan Business Systems (5036 JP) and Orion Breweries (409A JP) were included in the TOPIX index at the end of October 2025. 

Japan Eyewear Holdings (5889 JP), FIT EASY (212A JP), and Tekscend Photomask (429A JP) will be included in the TOPIX index at the end of November 2025.


TOPIX Inclusions: Who Is Ready (Nov 2025)

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

<ul>
<li>The JPX has designated <a href="https://www.smartkarma.com/entities/nidec-corp" target="_blank" data-smartkarma-citation="entities:7245:1" rel="noopener">Nidec Corp (6594 JP)</a> as a 'Security on Special Alert' due to a disclaimer of opinion in the annual report (among other issues).</li>
<li>Nikkei has announced the deletion of <a href="https://www.smartkarma.com/entities/nidec-corp" target="_blank" data-smartkarma-citation="entities:7245:1" rel="noopener">Nidec Corp (6594 JP)</a> from the <a href="https://www.smartkarma.com/entities/nikkei-225" target="_blank" data-smartkarma-citation="entities:22909:1" rel="noopener">Nikkei 225 (NKY INDEX)</a>. <a href="https://www.smartkarma.com/entities/ibiden-co-ltd" target="_blank" data-smartkarma-citation="entities:16630:1" rel="noopener">Ibiden Co Ltd (4062 JP)</a> will be added to the index.</li>
<li>
<a href="https://www.smartkarma.com/entities/nidec-corp" target="_blank" data-smartkarma-citation="entities:7245:1" rel="noopener">Nidec Corp (6594 JP)</a> should also be deleted from the <a href="https://www.smartkarma.com/entities/tokyo-stock-exchange-tokyo-price-index-topix" target="_blank" data-smartkarma-citation="entities:22910:1" rel="noopener">TSE Tokyo Price Index TOPIX (TPX INDEX)</a>. Both index deletions should take the stock a lot lower from here.</li>
</ul>


The JPX has designated Nidec Corp (6594 JP) as a 'Security on Special Alert' due to a disclaimer of opinion in the annual report (among other issues).
Nikkei has announced the deletion of Nidec Corp (6594 JP) from the Nikkei 225 (NKY INDEX). Ibiden Co Ltd (4062 JP) will be added to the index.

Nidec Corp (6594 JP) should also be deleted from the TSE Tokyo Price Index TOPIX (TPX INDEX). Both index deletions should take the stock a lot lower from here.


Nikkei 225 Index Rebalance: 🚨Ibiden (4062 JP) To Replace Nidec (6594 JP) 🚨

Event-Driven

<ul>
<li>
<a href="https://www.smartkarma.com/entities/denso-corp" target="_blank" data-smartkarma-citation="entities:18703:1" rel="noopener">Denso Corp (6902 JP)</a> is looking to raise up to JPY137bn (US$940m) by selling 73.9m shares of <a href="https://www.smartkarma.com/entities/renesas-electronics-corp" target="_blank" data-smartkarma-citation="entities:15933:1" rel="noopener">Renesas Electronics (6723 JP)</a> to international investors.</li>
<li>The indicative price range is JPY 1,812-1,848/share, a discount of 1-2.95% to Monday's close. The placement is 4.1% of shares outstanding and is 4.7 days of ADV.</li>
<li>We do not expect any passive buying at the time of settlement of the placement shares. The earliest passive buying will take place in August and September.</li>
</ul>



Denso Corp (6902 JP) is looking to raise up to JPY137bn (US$940m) by selling 73.9m shares of Renesas Electronics (6723 JP) to international investors.
The indicative price range is JPY 1,812-1,848/share, a discount of 1-2.95% to Monday's close. The placement is 4.1% of shares outstanding and is 4.7 days of ADV.
We do not expect any passive buying at the time of settlement of the placement shares. The earliest passive buying will take place in August and September.


Renesas Electronics (6723 JP): Denso Exits as Stock Price Falters

<ul>
<li>There are 14 Japanese stocks at risk of being deleted from global passive portfolios in February. The number will be smaller depending on the day of the review period chosen.</li>
<li>Selling from passive trackers will range from US$176m-354m and the impact ranges from 3.1-18.4 days of ADV. Short interest has increased in nearly all stocks over the last 4 weeks.</li>
<li>The forecast deletes have underperformed the <a href="https://www.smartkarma.com/entities/tokyo-stock-exchange-tokyo-price-index-topix" target="_blank" data-smartkarma-citation="entities:22910:1" rel="noopener">TSE Tokyo Price Index TOPIX</a> on average over the last 1-3 months, while there has been marginal outperformance over the last week or two.</li>
</ul>


There are 14 Japanese stocks at risk of being deleted from global passive portfolios in February. The number will be smaller depending on the day of the review period chosen.
Selling from passive trackers will range from US$176m-354m and the impact ranges from 3.1-18.4 days of ADV. Short interest has increased in nearly all stocks over the last 4 weeks.
The forecast deletes have underperformed the TSE Tokyo Price Index TOPIX on average over the last 1-3 months, while there has been marginal outperformance over the last week or two.


Japan: Last Look at Potential Passive Selling in February

Derivatives and Quantitative Strategist

Gaudenz Schneider

Equity Derivatives

<ul>
<li>The global auto industry faces significant tariff exposure. Option implied volatility offers a forward-looking assessment of risk.</li>
<li>Chinese car makers started to increase in implied volatility more than the other markets at the beginning of February. They now show the highest risk.</li>
<li>Recent implied volatility trends, asymmetric pricing (skew), and the term structure all seem to indicate that the Indian auto sector is the least exposed to international trade relations.</li>
</ul>


The global auto industry faces significant tariff exposure. Option implied volatility offers a forward-looking assessment of risk.
Chinese car makers started to increase in implied volatility more than the other markets at the beginning of February. They now show the highest risk.
Recent implied volatility trends, asymmetric pricing (skew), and the term structure all seem to indicate that the Indian auto sector is the least exposed to international trade relations.


EQD | Volatile Roads: Unveiling Risk in the Asian Auto Industry Through the Options Market

Japan

The TOPIX, also known as the Tokyo Stock Price Index, is a capitalization-weighted index of all companies listed on the First Section of the Tokyo Stock Exchange. The index is supplemented by the subindices of the 33 industry sectors. The index calculation excludes temporary issues and preferred stocks, and has a base value of 100 as of January 4, 1968.

TSE Tokyo Price Index TOPIX (TPX INDEX)

TOPIX Inclusions: Who Is Ready (Nov 2025)

There are currently 140 names that satisfy all 5 key Segment Transfer requirements based on current data. Another 137 names can satisfy 4 out of 5...

Janaghan Jeyakumar, CFA

Nikkei 225 Index Rebalance: 🚨Ibiden (4062 JP) To Replace Nidec (6594 JP) 🚨

TOPIX trackers are estimated to sell a lot of Nidec shares at the close today. Ibiden is already up a lot and that could lead to inclusion in a...

Brian Freitas

Renesas Electronics (6723 JP): Denso Exits as Stock Price Falters

Denso should raise US$940m by selling nearly their entire holding in Renesas Electronics. Unlikely to be any passive buying in the near term, but...

Brian Freitas

Japan: Last Look at Potential Passive Selling in February

Tomorrow is going to be a huge volume day in Japan as the global index rebalances. Kokusai Electric has bounced as expected and there could be more...

Brian Freitas

EQD | Volatile Roads: Unveiling Risk in the Asian Auto Industry Through the Options Market

Global auto industry faces tariff risk. The option market assigns the highest risk to Chinese car makers. The Indian auto sector appears least...

Gaudenz Schneider

TOPIX Inclusions: Who Is Ready (Nov 2025)

There are currently 140 names that satisfy all 5 key Segment Transfer requirements based on current data. Another 137 names can satisfy 4 out of 5...

Janaghan Jeyakumar, CFA

Nikkei 225 Index Rebalance: 🚨Ibiden (4062 JP) To Replace Nidec (6594 JP) 🚨

TOPIX trackers are estimated to sell a lot of Nidec shares at the close today. Ibiden is already up a lot and that could lead to inclusion in a...

Brian Freitas

Renesas Electronics (6723 JP): Denso Exits as Stock Price Falters

Denso should raise US$940m by selling nearly their entire holding in Renesas Electronics. Unlikely to be any passive buying in the near term, but...

Brian Freitas

Japan: Last Look at Potential Passive Selling in February

Tomorrow is going to be a huge volume day in Japan as the global index rebalances. Kokusai Electric has bounced as expected and there could be more...

Brian Freitas

EQD | Volatile Roads: Unveiling Risk in the Asian Auto Industry Through the Options Market

​Global auto industry faces tariff risk. The option market assigns the highest risk to Chinese car makers. The Indian auto sector appears least...

Gaudenz Schneider

Global auto industry faces tariff risk. The option market assigns the highest risk to Chinese car makers. The Indian auto sector appears least...