Index Rebalance

ASX 200 Sep 2026 Rebalance: Post-Implementation Review

29 Oct 2026 By Ke Yan, CFA, FRM
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Abstract: ASX 200 Sep 2026 had 5 ADDs and 5 DELETEs. With weeks two to four after implementation complete, we review current-cycle performance vs our reference data. ADD first-week returns were mixed, as in past cycles, but most ADDs then fell in weeks two to four, where past ADDs were flat on average. Most DELETEs gained in the first week, while most past DELETEs fell, and most then fell in weeks two to four.

Sunrise Energy Metals (SRL AU) Weebit Nano (WBT AU) Elsight (ELS AU) Service Stream (SSM AU) Smart (SIQ AU) Pantoro (PNR AU) Tuas (TUA AU) Grain (GNC AU) Event Hospitality and Entertainment (EVT AU) GQG Partners Inc DRC (GQG AU)

Highlighted Stocks

Sunrise Energy Metals, Weebit Nano, Elsight, Service Stream, Smart, Pantoro, Tuas, Grain, Event Hospitality and Entertainment, GQG Partners Inc DRC

About Index Rebalance Research

Research on index reviews and inclusion events across Asia Pacific, including MSCI, Hang Seng (HSI, HSCEI, HSCI), HS TECH, CSI 300, STAR50, NIFTY and Stock Connect changes. Coverage runs from rebalance forecasts through post-announcement positioning, pre-implementation updates and post-implementation reviews, using the price patterns of past events.

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