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Jakarta Post

IDX Composite index nosedives at open

Deni Ghifari (The Jakarta Post)
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Jakarta
Wed, January 28, 2026 Published on Jan. 28, 2026 Published on 2026-01-28T10:32:21+07:00

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A trader monitors the Indonesia Stock Exchange (IDX) Composite index in South Tangerang, Banten, on April 8, 2025. A trader monitors the Indonesia Stock Exchange (IDX) Composite index in South Tangerang, Banten, on April 8, 2025. (AFP/Bay Ismoyo)

T

he Indonesia Stock Exchange (IDX) Composite index nosedived as trading opened on Wednesday following an evaluation by Morgan Stanley Capital International (MSCI) that flags Indonesian stocks.

The index plunged by 6.53 percent from Tuesday’s closing value of 8,980 points to 8,393 points at Wednesday’s opening.

Stocks of two companies with the largest market capitalization, PT Barito Renewable Energy and Bank Central Asia, were down by 17.46 and 6 percent, respectively.

The MSCI temporarily froze several Indonesian stock indices with immediate effect on Tuesday due to its consideration that the transparency level of Indonesian stock ownership was inadequate.

“While there have been minor enhancements to IDX’s float data feed, investors highlighted that fundamental investability issues persist due to ongoing opacity in shareholding structures and concerns about possible coordinated trading behavior that undermines proper price formation,” reads the announcement from MSCI.

“To address some of these concerns, more granular and reliable information on shareholding structures, possibly including high shareholding concentration monitoring, is required to support a robust assessment of free float and investability across Indonesian securities,” it added.

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The announcement added that some global participants used PT Kustodian Sentral Efek Indonesia’s (KSEI) Monthly Holding Composition Report as additional reference data, but many investors have expressed “significant concerns” about relying on KSEI's shareholder categorization.

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