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

Brian Freitas

Pan-Asia Index Rebalances/ Events/ Delta One

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

Zijin Mining Group Co Ltd H / 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>That change will result in a bunch of constituent and weight changes in September. Estimated one-way turnover is 15.8% resulting in a one-way trade of US$3.1bn.</li>
<li>The flow and turnover numbers will change following the June rebalance of the NYSE Arca Gold Miners Index and the September rebalance of the MarketVector Global Gold Miners Index.</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.
That change will result in a bunch of constituent and weight changes in September. Estimated one-way turnover is 15.8% resulting in a one-way trade of US$3.1bn.
The flow and turnover numbers will change following the June rebalance of the NYSE Arca Gold Miners Index and the September rebalance of the MarketVector Global Gold Miners Index.


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

Index Rebal Trades & Special Situations, Quiddity Advisors

Janaghan Jeyakumar, CFA

Index Rebal Trades & Special Situations

Quiddity Advisors

Pan-Asia Catalysts/Events

Clarity Pharmaceuticals Ltd / Index Rebalance

<ul>
<li>In this insight, we take a look at the potential index changes for ASX 200, 100, 50, and 20 in the run-up to the December 2025 index rebal event.</li>
<li>We expect two changes for ASX 50, two changes for ASX 100, and seven changes for ASX 200.</li>
<li>The official index changes will be announced after the close on Friday 5th December 2025.</li>
</ul>


In this insight, we take a look at the potential index changes for ASX 200, 100, 50, and 20 in the run-up to the December 2025 index rebal event.
We expect two changes for ASX 50, two changes for ASX 100, and seven changes for ASX 200.
The official index changes will be announced after the close on Friday 5th December 2025.


Quiddity Leaderboard ASX Dec25: Reference Period Ending Soon; Some Surprises Possible

<ul>
<li>There could be 2 changes each for the ASX50 and ASX100 indices and 7 changes for the <a href="https://www.smartkarma.com/entities/s-p-asx-200" target="_blank" data-smartkarma-citation="entities:22901:1" rel="noopener">S&amp;P/ASX 200 (AS51 INDEX)</a> in December.</li>
<li>Passive trackers will need to trade a lot of stock in the forecast changes, with the impact being especially large for the changes to the <a href="https://www.smartkarma.com/entities/s-p-asx-200" target="_blank" data-smartkarma-citation="entities:22901:1" rel="noopener">S&amp;P/ASX 200 (AS51 INDEX)</a>. </li>
<li>The forecast adds have outperformed (and continue to outperform) the forecast deletes to the S&amp;P/ASX 100 Index and the <a href="https://www.smartkarma.com/entities/s-p-asx-200" target="_blank" data-smartkarma-citation="entities:22901:1" rel="noopener">S&amp;P/ASX 200 (AS51 INDEX)</a>. </li>
</ul>


There could be 2 changes each for the ASX50 and ASX100 indices and 7 changes for the S&amp;P/ASX 200 (AS51 INDEX) in December.
Passive trackers will need to trade a lot of stock in the forecast changes, with the impact being especially large for the changes to the S&amp;P/ASX 200 (AS51 INDEX). 
The forecast adds have outperformed (and continue to outperform) the forecast deletes to the S&amp;P/ASX 100 Index and the S&amp;P/ASX 200 (AS51 INDEX). 


S&P/​​​​​​​​​ASX Index Rebalance Preview (Dec 25): Changes Across Indices as Positioning Picks Up

Pan-Asia Catalysts/Events, Quiddity Advisors

David Blennerhassett

Event-Driven

<ul>
<li>The gold rush continues as<a href="https://www.smartkarma.com/entities/predictive-discovery-ltd" target="_blank" data-smartkarma-citation="entities:15374:1" rel="noopener"> Predictive (PDI AU)</a> and Robex (TSX-V: RBX, ASX: RXR) announce a scrip merger to form a West African mid-tier gold play.</li>
<li>Via a "definitive plan of arrangement", Robex shareholders will receive 8.667 PDI shares for every Robex share.  Upon completion, PDI will hold 51% of shares out, and Robex the remainder.</li>
<li>The Cohen Group and Eglington Mining (collectively holding 25.2% of Robex) are supportive. The key condition is Robex's shareholder vote, sometime in December, with a two-thirds threshold.</li>
</ul>


The gold rush continues as Predictive (PDI AU) and Robex (TSX-V: RBX, ASX: RXR) announce a scrip merger to form a West African mid-tier gold play.
Via a "definitive plan of arrangement", Robex shareholders will receive 8.667 PDI shares for every Robex share.  Upon completion, PDI will hold 51% of shares out, and Robex the remainder.
The Cohen Group and Eglington Mining (collectively holding 25.2% of Robex) are supportive. The key condition is Robex's shareholder vote, sometime in December, with a two-thirds threshold.


Northern Star Resources / 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> will change benchmark from the NYSE Arca Gold Miners Index to the MarketVector Global Gold Miners Index at the close on 19 September.</li>
<li>The differences in the constituents between the two indices should result in 8 adds and 25 deletes. Estimated one-way turnover is 27.4% resulting in a round-trip trade of US$12.5bn.</li>
<li>The forecast adds have continued to underperform the forecast deletes as the big valuation gap that had opened up since the announcement of the benchmark switch narrows.</li>
</ul>


The VanEck Gold Miners ETF/USA (GDX US) will change benchmark from the NYSE Arca Gold Miners Index to the MarketVector Global Gold Miners Index at the close on 19 September.
The differences in the constituents between the two indices should result in 8 adds and 25 deletes. Estimated one-way turnover is 27.4% resulting in a round-trip trade of US$12.5bn.
The forecast adds have continued to underperform the forecast deletes as the big valuation gap that had opened up since the announcement of the benchmark switch narrows.


Gold Miners ETF (GDX US): Further Capping Pushes Trade to Over US$12.5bn

Australia

West African Resources Ltd. is a gold exploration company. The Company acquires, explores, and develops resource projects in West Africa. West African holds mineral tenements covering the Boulsa Gold Project within central Burkina Faso as well as has applied for exploration permits over the Marandet Uranium Project, located in the Tim Mersoi Basin of northern Niger.

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West African Resources (WAF AU)

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

The GDX ETF has announced a benchmark change from the NYSE Arca Gold Miners Index to the MarketVector Global Gold Miners Index. Estimated turnover...

Brian Freitas

Quiddity Leaderboard ASX Dec25: Reference Period Ending Soon; Some Surprises Possible

We have revised our expectations for ASX 100 (please see discussion point below the insight). These are our final expectations for the December...

Janaghan Jeyakumar, CFA

S&P/ASX Index Rebalance Preview (Dec 25): Changes Across Indices as Positioning Picks Up

There could be 22 changes across the ASX family in Dec. Plus passive buying in LNW due to a sole listing on the ASX. The adds have outperformed and...

Brian Freitas

Predictive/Robex's Merger Of Equals

This looks clean. You could try to go long Robex, short PDI; however both the Aussie and Candian lines for Robex are (currently) illiquid.

David Blennerhassett

Gold Miners ETF (GDX US): Further Capping Pushes Trade to Over US$12.5bn

The GDX benchmark change is expected to result in 27.4% turnover and a US$12.5bn trade. Multiple days of ADV need to be traded in a lot of stocks....

Brian Freitas

Price Gauge

52-week Range

Market Cap (USDm)

P/E

Dividend (Yield)

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

The GDX ETF has announced a benchmark change from the NYSE Arca Gold Miners Index to the MarketVector Global Gold Miners Index. Estimated turnover...

Brian Freitas

Quiddity Leaderboard ASX Dec25: Reference Period Ending Soon; Some Surprises Possible

We have revised our expectations for ASX 100 (please see discussion point below the insight). These are our final expectations for the December...

Janaghan Jeyakumar, CFA

S&P/​​​​​​​​​ASX Index Rebalance Preview (Dec 25): Changes Across Indices as Positioning Picks Up

There could be 22 changes across the ASX family in Dec. Plus passive buying in LNW due to a sole listing on the ASX. The adds have outperformed and...

Brian Freitas

Predictive/Robex's Merger Of Equals

This looks clean. You could try to go long Robex, short PDI; however both the Aussie and Candian lines for Robex are (currently) illiquid.

David Blennerhassett

Gold Miners ETF (GDX US): Further Capping Pushes Trade to Over US$12.5bn

The GDX benchmark change is expected to result in 27.4% turnover and a US$12.5bn trade. Multiple days of ADV need to be traded in a lot of stocks....

Brian Freitas

S&P/ASX Index Rebalance Preview (Dec 25): Changes Across Indices as Positioning Picks Up