Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal/Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

<ul>
<li>JPX-Nikkei 400 is composed of common stocks listed on the Tokyo Stock Exchange. It is a free-float-adjusted market-value-weighted (capped) index composed of 400 constituents.</li>
<li>The annual index review takes place in August every year. We look at the latest rankings of potential ADDs/DELs every month.</li>
<li>Below is a look at potential Inclusions and Removals for the JPX-Nikkei 400 Rebalance to come in August 2026 based on trading data as of end-October 2025.</li>
</ul>


JPX-Nikkei 400 is composed of common stocks listed on the Tokyo Stock Exchange. It is a free-float-adjusted market-value-weighted (capped) index composed of 400 constituents.
The annual index review takes place in August every year. We look at the latest rankings of potential ADDs/DELs every month.
Below is a look at potential Inclusions and Removals for the JPX-Nikkei 400 Rebalance to come in August 2026 based on trading data as of end-October 2025.


Quiddity JPX-Nikkei 400 Rebal 2026: End-Oct 2025 Ranks

Equity/Index & Cross Asset Volatility Specialist, Cameron Design

Jay Cameron

Equity/Index & Cross Asset Volatility Specialist

Cameron Design

We specialize in financial products and volatility. Our strategies balance speed, data, and risk control to capture opportunities across global markets. Our research leverages AI and data analytics to continuously refine our algorithms and adapt to evolving market dynamics.

Equity Derivatives

<ul>
<li>Japanese markets are seeing significant developments, including Nikkei 225 rebalancing with Nidec's removal due to alert and Ibiden's addition, impacting tracking funds, delta one trading strategies, and investors with position.</li>
<li>The BoJ's cautious normalization path continues to shape the JGB curve, with a notable steepening in the long end affecting asset-liability management.</li>
<li>We detail the trades and execution of the trade idea, which may require special attention this week especially on the rebalance.</li>
</ul>


Japanese markets are seeing significant developments, including Nikkei 225 rebalancing with Nidec's removal due to alert and Ibiden's addition, impacting tracking funds, delta one trading strategies, and investors with position.
The BoJ's cautious normalization path continues to shape the JGB curve, with a notable steepening in the long end affecting asset-liability management.
We detail the trades and execution of the trade idea, which may require special attention this week especially on the rebalance.


A Special Cross Asset Morning Update: Nidec, Ibiden, and BoJ This Week

Japanese Equity Specialist, Ortus Advisors

Andrew Jackson

Japanese Equity Specialist

Ortus Advisors

Thematic (Sector/Industry)

<ul>
<li>MoD set to designate China as Japan's most serious concern in upcoming white paper. MHI, KHI, IHI and JSW worth watching as retail looks for new plays.</li>
<li>SMCI announcing plans to raise $7 billion to meet server orders may help lift Nidec who supplies their cooling modules.</li>
<li>Sumitomo Forestry -31% YTD may get some relief from homebuilder strength in the US overnight.</li>
</ul>


MoD set to designate China as Japan's most serious concern in upcoming white paper. MHI, KHI, IHI and JSW worth watching as retail looks for new plays.
SMCI announcing plans to raise $7 billion to meet server orders may help lift Nidec who supplies their cooling modules.
Sumitomo Forestry -31% YTD may get some relief from homebuilder strength in the US overnight.


Japan Morning Connection: Defense in Focus as MoD Is Set to Name China as Most Serious Concern

<ul>
<li>Fuji Electric's Ejector Cooling Machine said to cut server cooling power by 85%. Not getting anywhere near the attention it deserves at current levels. </li>
<li>Fuji Electric a big underperformer vs it's closest peer Rohm with the 6504-6963 ratio at 2.58 (2.2std dev LTM) and lows not seen since the start of 2024.</li>
<li>New Glenn explosion continuing to weigh on Space sentiment, as well as the upcoming SpaceX launch.</li>
</ul>


Fuji Electric's Ejector Cooling Machine said to cut server cooling power by 85%. Not getting anywhere near the attention it deserves at current levels. 
Fuji Electric a big underperformer vs it's closest peer Rohm with the 6504-6963 ratio at 2.58 (2.2std dev LTM) and lows not seen since the start of 2024.
New Glenn explosion continuing to weigh on Space sentiment, as well as the upcoming SpaceX launch.


Japan Morning Connection: Fuji Electric's Cooling System Launch Set to Put the Stock in Focus

<ul>
<li>Nidec faces damning data falsification allegations with over 1000 cases of quality tampering across household appliances and auto components.</li>
<li>Olympus beats on strong endoscope sales and improved margins with high short interest and a buyback this morning.</li>
<li>Japan's SPE names likely to take a beating today after fading off strong opens for several days.</li>
</ul>


Nidec faces damning data falsification allegations with over 1000 cases of quality tampering across household appliances and auto components.
Olympus beats on strong endoscope sales and improved margins with high short interest and a buyback this morning.
Japan's SPE names likely to take a beating today after fading off strong opens for several days.


Japan Morning Connection: Nidec Faces a Damning Scandal While Olympus Is Primed for a Squeeze

Japan

NIDEC CORPORATION is the world's leading manufacturer of small precision motors mainly used in HDD and optical disk drives. The company has extended its focus to the home appliance and automotive markets. NIDEC is active in M&A and its subsidiaries include the world's leading manufacturers of LCD panel handling robots and camera shutters.

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Nidec Corp (6594 JP)

Quiddity JPX-Nikkei 400 Rebal 2026: End-Oct 2025 Ranks

We expect the HIGH-conviction Potential ADDs to outperform the HIGH-conviction Potential DELs. Nidec is no longer part of our potential ADDs.

Janaghan Jeyakumar, CFA

A Special Cross Asset Morning Update: Nidec, Ibiden, and BoJ This Week

A very busy and active week for Japan markets is expected in equities, while a BoJ meeting is on the way later on presenting cross asset trades and...

Jay Cameron

Japan Morning Connection: Defense in Focus as MoD Is Set to Name China as Most Serious Concern

Markets remain gun-shy ahead of SpaceX IPO this week. Defense heavies worth watching as MoD prepares to flag China as most serious concern in...

Andrew Jackson

Japan Morning Connection: Fuji Electric's Cooling System Launch Set to Put the Stock in Focus

Fuji Electric's server cooling launch not getting the attention it deserves with the stock -17% from ATHs. Space related names continue to suffer...

Andrew Jackson

Japan Morning Connection: Nidec Faces a Damning Scandal While Olympus Is Primed for a Squeeze

Nidec accused of data falsification, Olympus sees success with endoscope sales and better margins, Japan's SPE stocks expected to decline.

Andrew Jackson

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)

Quiddity JPX-Nikkei 400 Rebal 2026: End-Oct 2025 Ranks

We expect the HIGH-conviction Potential ADDs to outperform the HIGH-conviction Potential DELs. Nidec is no longer part of our potential ADDs.

Janaghan Jeyakumar, CFA

A Special Cross Asset Morning Update: Nidec, Ibiden, and BoJ This Week

A very busy and active week for Japan markets is expected in equities, while a BoJ meeting is on the way later on presenting cross asset trades and...

Jay Cameron

Japan Morning Connection: Defense in Focus as MoD Is Set to Name China as Most Serious Concern

Markets remain gun-shy ahead of SpaceX IPO this week. Defense heavies worth watching as MoD prepares to flag China as most serious concern in...

Andrew Jackson

Japan Morning Connection: Fuji Electric's Cooling System Launch Set to Put the Stock in Focus

Fuji Electric's server cooling launch not getting the attention it deserves with the stock -17% from ATHs. Space related names continue to suffer...

Andrew Jackson

Japan Morning Connection: Nidec Faces a Damning Scandal While Olympus Is Primed for a Squeeze

​Nidec accused of data falsification, Olympus sees success with endoscope sales and better margins, Japan's SPE stocks expected to decline.

Andrew Jackson

Nidec accused of data falsification, Olympus sees success with endoscope sales and better margins, Japan's SPE stocks expected to decline.