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

Baidu (9888 HK): Dual Primary Today, Stock Connect Next Week, Then Index Flows

Baidu (9888 HK) Tactical Outlook After CSI HK Connect Internet Inclusion, Multi-Month Downtrend

HSI, HSCEI, HSTECH, HSIII, HSBIO Index Rebalance: US$5bn of Flows Post Capping (Mar 2026)

HSTECH Index Rebalance Preview: Style Rotation Drives AI Additions & Software Deletions

Hang Seng Indexes: Changes Lead to US$6.6bn Trade; Plus Stock Connect & Global Index Inclusions

Knowledge Atlas Technology (2513 HK): Over US$1.4bn of Passive Flows in 2026 + Stock Connect

HSCI Index Rebalance Preview: Stock Connect & Index Buying Vs Lock-Up Expiry Selling

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>The June rebalance of the Hang Seng family of indices will use today's closing prices to cap the index constituent weights.</li>
<li>The net round-trip trade across all stocks across the five indices is estimated at HK$49.6bn (US$6.33bn). There is size to trade in a lot of stocks.</li>
<li>The stocks with forecast inflows marginally outperformed the stocks with forecast outflows prior to announcement of the changes, but there has been underperformance since announcement.</li>
</ul>


The June rebalance of the Hang Seng family of indices will use today's closing prices to cap the index constituent weights.
The net round-trip trade across all stocks across the five indices is estimated at HK$49.6bn (US$6.33bn). There is size to trade in a lot of stocks.
The stocks with forecast inflows marginally outperformed the stocks with forecast outflows prior to announcement of the changes, but there has been underperformance since announcement.


Kingdee International Software Group (268 HK)

SMIC (Semiconductor Manufacturing International Corp) (981 HK)

SMIC (Semiconductor Manufacturing International Corp)

Hang Seng China Enterprises Index (HSCEI INDEX)

Contemporary Amperex Technology (3750 HK)

Beijing Haizhi Technology Group (2706 HK)

HSI, HSCEI, HSTECH, HSIII, HSBIO Index Rebalance: US$6.3bn of Flows Post Capping (June 2026)