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

Gold Miners ETF (GDX US): Big Outperformance Driven by Benchmark Change; Valuation Gap Opens Up

Gold Miners ETF (GDX US): Capping Pushes Trade to Over US$10bn

VanEck GDX Benchmark Switch: Implications for Zijin and Amman

Gold Miners ETF (GDX US): BIG Impact of Benchmark Change

MV Global Junior Gold Miners Index Rebalance: Stocks at Their Highs

Amman Mineral (AMMN IJ): Potential Passive Inflows Coming Up Soon

S&P/​​​​ASX Index Rebalance (June 2025): Changes, Flows, Shorts & Positioning

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

Amman Mineral Internasional / Index Rebalance

<ul>
<li>The <a href="https://www.smartkarma.com/entities/vaneck-gold-miners-etf-usa" target="_blank" data-smartkarma-citation="entities:32924:1" rel="noopener">VanEck Gold Miners ETF/USA (GDX US)</a> has announced a benchmark change from the NYSE Arca Gold Miners Index to the MarketVector Global Gold Miners Index.</li>
<li>The benchmark change will result in a bunch of constituent and weight changes in September. Estimated one-way turnover is 16.5% resulting in a one-way trade of US$3.15bn.</li>
<li>The flow and turnover numbers will change following constituent and capping changes for the MarketVector Global Gold Miners Index at the September rebalance.</li>
</ul>


The VanEck Gold Miners ETF/USA (GDX US) has announced a benchmark change from the NYSE Arca Gold Miners Index to the MarketVector Global Gold Miners Index.
The benchmark change will result in a bunch of constituent and weight changes in September. Estimated one-way turnover is 16.5% resulting in a one-way trade of US$3.15bn.
The flow and turnover numbers will change following constituent and capping changes for the MarketVector Global Gold Miners Index at the September rebalance.


Industrias Penoles, S.A.B. De C.V. (PE&OLES* MM EQUITY)

Gold Miners ETF (GDX US): Impact of Benchmark Change - Update