Abstract: Hang Seng Indexes announced three HSI ADDs and no DELETE for the May 2026 review after market close. We reviewed three ADDs against 13 prior HSI rebalance cycles and the completed post announcement setup. The prior forecast identified BeOne and no DELETE, while J&T Express and Chalco were outside the forecast slate.
J&T GLOBAL EXPRESS, CHALCO, BEONE MEDICINES
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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