Index Rebal Trades & 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 Trades & Special Situations

Quiddity JPX-Nikkei 400 Rebal 2025: End-May 2025 Ranks

Quiddity CSI 300/​​500 Jun25 Results: 114 Changes; 88% Hit Rate; ~US$5bn One-Way

Quiddity ChiNext/ChiNext 50 Jun25 Results: 23/26 Changes Correct Despite Methodology Change

TOPIX Index Upweights: Great Hit Rate; Strong Trade Performance; A Rare Win!

Quiddity JPX-Nikkei 400 Rebal 2025: End-Mar 2025 Ranks

TOPIX Inclusions: Who Is Ready (Apr 2025)

Quiddity Leaderboard Hang Seng Index Jun25: Beigene Is Our Top Pick

Quiddity Advisors

Pan-Asia Catalysts/Events

Index Rebalance

Kawasaki Heavy Industries / Index Rebalance

<ul>
<li>JPX-Nikkei 400 is composed of common stocks listed on the Tokyo Stock Exchange. It is a free-float-adjusted 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 the rankings of ~45 potential ADDs/DELs for the JPX-Nikkei 400 August 2025 rebalance based on trading data as of end-April 2025.</li>
</ul>


JPX-Nikkei 400 is composed of common stocks listed on the Tokyo Stock Exchange. It is a free-float-adjusted 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 the rankings of ~45 potential ADDs/DELs for the JPX-Nikkei 400 August 2025 rebalance based on trading data as of end-April 2025.


Quiddity JPX-Nikkei 400 Rebal 2025: End Apr 2025 Ranks