Indonesian stocks fall about 11% in worst day since 1998 as MSCI weighs standalone-market status

Indonesian stocks suffered their steepest one-day fall since January 1998 on Friday, October 16, after MSCI launched a consultation on reclassifying Indonesia from emerging market to "standalone market" status. The Standard reported the Jakarta Composite fell as much as 11.4% to its lowest since November 2020 after opening 8% lower, which triggered a 30-minute trading halt. Euronews put the fall at about 11%, and Trading Economics at 10.8% at the close, near 5,200. Sources differ by a fraction of a point on the exact figure.

What MSCI said

According to press-release copies of MSCI's October 15 announcement, MSCI said Indonesia's emerging-market status is no longer appropriate and cited persistent opacity in shareholding structures and suspected coordinated trading. It expects to proceed with the reclassification unless the consultation finds clear evidence of material improvement. Feedback is open until April 30, 2027, with a decision on or before June 30, 2027. An existing freeze on Indonesian securities in MSCI indexes stays in place. Indonesian authorities have announced reforms, including disclosure of holders above 1%, which MSCI says investors want to see applied consistently.

The currency and the year so far

The rupiah weakened to 18,070 per dollar, its weakest since late July and close to its record low of 18,190, per The Standard. Euronews reported the Jakarta index down about 39% since January and net foreign selling of $4.9 billion this year per Bloomberg, putting 2026 on track to be Indonesia's worst year on record. Bank Indonesia has said it is committed to currency stability.

What we could not confirm

One summary attributed a $13 billion outflow estimate to Goldman Sachs. We found it in only one aggregated source, not in Euronews or The Standard, so we are not relying on it. Nothing is final: this is a consultation, and the decision is eight months away.

Who feels it

Funds that track MSCI emerging-market benchmarks would have to sell Indonesian holdings if the reclassification goes ahead. For US businesses, the direct link is narrower: importers and manufacturers that source from Indonesia are paid in a weaker currency on the other side, which can shift supplier pricing. A weak rupiah does not by itself change dollar invoices, so owners should check whether contracts are priced in dollars or rupiah.

Sources: Euronews, The Standard (Hong Kong), Trading Economics, MSCI announcement as distributed by press-release services. This is market information, not investment advice.