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

S&P/​​​​​​​​​ASX Index Rebalance Preview (Mar 26): Plenty of Change with Big Flow & Impact

PLS Group (PLS AU): Index Inclusion Follows Huge Move Higher

ASX200 Index AdHoc Rebalance Preview: Two Quickfire April Changes

S&P/​​​​ASX Index Rebalance (Mar 2026): 43 Changes Across Indices as Adds Outperform Deletes

Gold Miners ETF (GDX US) March Rebalance Preview: 6 Adds & US$6.7bn Trade

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/pls-group-limited" target="_blank" data-smartkarma-citation="entities:7460:1" rel="noopener">PLS Group (PLS AU)</a> missed being added to a global index in February. There is a much better chance of being added to the same index in May.</li>
<li>
<a href="https://www.smartkarma.com/entities/pls-group-limited" target="_blank" data-smartkarma-citation="entities:7460:1" rel="noopener">PLS Group (PLS AU)</a> was added to the S&amp;P/ASX 50 Index in March and that will result in passive global trackers needing to buy more of the real float.</li>
<li>Cumulative excess volume has increased in <a href="https://www.smartkarma.com/entities/pls-group-limited" target="_blank" data-smartkarma-citation="entities:7460:1" rel="noopener">PLS Group (PLS AU)</a>, but we see a similar trend in its peers that do not have any upcoming passive flows.</li>
</ul>



PLS Group (PLS AU) missed being added to a global index in February. There is a much better chance of being added to the same index in May.

PLS Group (PLS AU) was added to the S&amp;P/ASX 50 Index in March and that will result in passive global trackers needing to buy more of the real float.
Cumulative excess volume has increased in PLS Group (PLS AU), but we see a similar trend in its peers that do not have any upcoming passive flows.


PLS Group (PLS AU): High Probability of Global Index Inclusion in May