Abstract: MSCI Japan June 2026 added 3 stocks and deleted 14. With the first implementation week complete, we review current-cycle performance vs history. ADDs gave back after a positive bridge. All 3 ADDs fell in WI0-4, with aggregate return of -9.0% vs the historical ADD mean of -2.9%. DELETEs rose +3.4% in WI0-4, the strongest first-week result in the study history. Low-velocity DELETEs also rose, returning +2.6% across 4 names with data.
M3, Monotaro, Matsukiyococokara &, Zozo, Tsuruha, TIS, Resonac, Sekisui Chemical, Oracle Corporation Japan, Mitsui Mining & Smelting, Furukawa Electric, Toyota Industries, Sysmex, Shimadzu, Sony Financial, Tokyu, Japan Airlines
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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