Index Rebal/Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Equity Analyst with 10+ years experience in fundamental and event-driven research.

On Smartkarma, I mainly publish insights on index flow events. This includes predicting regular and intra-review index changes and formulating market-neutral trading strategies based on flow catalysts. I also cover special situations such as mergers & acquisitions, equity offerings, buybacks, and other corporate restructuring events.

Index Rebal/Special Situations

Quiddity Leaderboard HSIII Mar26: Final Ranks; 4 Changes Expected

Quiddity Leaderboard ASX Mar26: Many Names With Multiple Days to Trade

Quiddity Leaderboard STAR 50/100 Mar26: ~US$3.8bn Total One-Way Flows; Some Signs of Pre-Positioning

TOPIX Inclusions: Who Is Ready (Dec 2025)

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

Quiddity Leaderboard TDIV Mar26: US$355mn One-Way Flows; High-Impact for Two Names

Quiddity ASX Dec25 Results: 19/20 Correctly Predicted; US$770mn Combined One-Way Flow; Avoid Crowds

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

Chugoku Electric Power Co / 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-December 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-December 2025.


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