Pan-Asia Index Rebalances/ Events/ Delta One, Periscope Analytics

Brian Freitas

Highly experienced ex-Delta One trader with 17 years of experience trading arbitrage and related strategies across Asian markets.

Exempt Financial Adviser (EFA) under CrossASEAN Research Pte Ltd.

It is important to note that the information provided by Periscope Analytics is based on publicly available data and own knowledge, which has been gathered and synthesized from a variety of sources. While every effort has been made to ensure the accuracy and completeness of the information provided, it is not guaranteed to be free from errors or omissions.

All forecasts and estimates are based on information that has been obtained from public sources that are considered to be reliable. The sources include, but are not limited to, company announcements, exchange filings, ETF and other passive investment vehicle holdings, and free float and volume data from third-party data providers. Periscope Analytics does not guarantee the accuracy and completeness of the forecasts, estimates and/or other information.

Pan-Asia Index Rebalances/ Events/ Delta One

TOPIX Market Consultation: Wider Next-Gen Universe in a Couple of Years; But Stocks Moving Already

Mercari (4385 JP): Section Transfer Means TOPIX & FTSE Inclusion

Nikkei 225 Index Rebalance Preview (Mar 2026): Potential Adds, Deletes, Capping & Other Changes

Advantest (6857 JP): Rally Leads to Potential NKY Capping

Softbank Group (9984 JP): Breaks Through the 10% Nikkei225 Cap

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

Index Rebalance

<ul>
<li>
<a href="https://www.smartkarma.com/entities/harmonic-drive-systems-inc" target="_blank" data-smartkarma-citation="entities:10238:1" rel="noopener">Harmonic Drive Systems (6324 JP)</a> moves from the Standard Market to the Prime Market at the close on 27 February. That means <a href="https://www.smartkarma.com/entities/tokyo-stock-exchange-tokyo-price-index-topix" target="_blank" data-smartkarma-citation="entities:22910:1" rel="noopener">TOPIX</a> inclusion at the end of March.</li>
<li>
<a href="https://www.smartkarma.com/entities/harmonic-drive-systems-inc" target="_blank" data-smartkarma-citation="entities:10238:1" rel="noopener">Harmonic Drive Systems (6324 JP)</a> was an expected inclusion to 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">TOPIX Index</a> in October as a part of the Next-Gen TOPIX revamp. The section transfer accelerates the timeline.</li>
<li>
<a href="https://www.smartkarma.com/entities/harmonic-drive-systems-inc" target="_blank" data-smartkarma-citation="entities:10238:1" rel="noopener">Harmonic Drive</a> has underperformed nearly all its peers from the Industrial components industry and there could be a catch up ahead of the big float mop up from the TOPIX trackers.</li>
</ul>



Harmonic Drive Systems (6324 JP) moves from the Standard Market to the Prime Market at the close on 27 February. That means TOPIX inclusion at the end of March.

Harmonic Drive Systems (6324 JP) was an expected inclusion to the TOPIX Index in October as a part of the Next-Gen TOPIX revamp. The section transfer accelerates the timeline.

Harmonic Drive has underperformed nearly all its peers from the Industrial components industry and there could be a catch up ahead of the big float mop up from the TOPIX trackers.


Harmonic Drive (6324 JP): Section Transfer Accelerates TOPIX Inclusion Timeline