Asia Pac ECM and Index Rebal, Shenton Research

Ke Yan, CFA, FRM

An inquisitive investment analyst with background in both finance and computing. Covering ECM research, biotech, market data analytics.

Asia Pac ECM and Index Rebal

HSI Index Rebalance: March 2026 Post-Event Review

HSI June 2026 Index Rebalance: Post-Announcement Positioning

Asia Pac IPO & Placement Research, China Biotech

DZT Research

DZT Research is an independent Asia Pacific equity specialist. Our quantitative research covers index rebalancing flows, alongside exchange data analytics accross Asia Pacific. On the equity capital markets side, we focus on Asia Pacific ECM, especially biotech and TMT. Our lead analyst is frequently cited by international media.

Event-Driven

Contemporary Amperex Technology / Event-Driven

Contemporary Amperex Technology (3750 HK)

<ul>
<li>This note analyses price behaviour around thirteen regular HSI rebalance events (March 2022 to March 2026), covering 32 ADD and 5 DELETE stock-events.</li>
<li>We examine the announcement-to-implementation (WAI) window for systematic positioning effects and whether the resulting premium creates predictable post-implementation reversals.</li>
<li>We apply those patterns to the four stocks affected by the March 2026 rebalance (three ADDs, one DELETE) to assess positioning dynamics and post-implementation setup.</li>
</ul>


This note analyses price behaviour around thirteen regular HSI rebalance events (March 2022 to March 2026), covering 32 ADD and 5 DELETE stock-events.
We examine the announcement-to-implementation (WAI) window for systematic positioning effects and whether the resulting premium creates predictable post-implementation reversals.
We apply those patterns to the four stocks affected by the March 2026 rebalance (three ADDs, one DELETE) to assess positioning dynamics and post-implementation setup.


SMIC (Semiconductor Manufacturing International Corp) (981 HK)

SMIC (Semiconductor Manufacturing International Corp)

China Resources Mixc Lifestyle Services (1209 HK)

HSI Index Rebalance: Historical Patterns & March '25 Analysis