Breaking: Jakarta Composite Index Opens 8% Lower, Triggering Trading Halt
Jakarta, CNBC Indonesia — The Jakarta Composite Index (IHSG) plunged sharply at the opening of trading on Friday (16 October 2026). At the start of the first session, the index immediately hit its lowest level and trading was suspended. The IHSG opened at 5,393.92, down 469.86 points, or 8.01%, from Thursday’s close of 5,863.78.
Total trading volume stood at 53.6 million lots, with transactions worth Rp922.33 billion.
Indonesia’s financial markets are likely to remain under pressure from several negative external factors, including MSCI’s latest announcement, rising US inflation and war. The acceleration in US producer-price inflation could become a new “storm” for global financial markets, including Indonesia.
Financial market participants will also be watching a discussion involving the Federal Reserve chair at the IMF-World Bank meetings. Domestically, rumours of a Cabinet reshuffle could influence the market on Friday.
Here are some of the market factors to watch today:
- MSCI threatens to downgrade Indonesia’s stock-market status: the reasons
Morgan Stanley Capital International (MSCI) has opened a consultation on changing Indonesia’s stock-market classification from Emerging Market to Standalone Market. A final decision is expected to be announced no later than 30 June 2027.
MSCI cited investor concerns about transparency of share ownership, alleged coordinated trading practices and the effectiveness of regulatory enforcement. Although regulators have announced several reforms, MSCI said it had not seen sufficient and consistent progress.
In line with the proposal, MSCI is maintaining a freeze on several changes to Indonesian equity indices. It will not increase the Foreign Inclusion Factor (FIF) or Number of Shares (NOS), add stocks to the MSCI Indonesia Investable Market Index (IMI), or move stocks into larger-capitalisation index segments.
Market participants can submit feedback until 30 April 2027. MSCI said it could reconsider the proposed reclassification if the consultation produces evidence of material improvements in the governance and functioning of Indonesia’s stock market.
- War update: Houthis attack Yemen’s presidential palace, killing five
Yemen’s Houthi group launched a missile and drone attack on the Al-Maashiq Presidential Palace complex in Aden on Thursday (15 October 2026). The attack killed five people and injured 16. Yemen’s government said the Prime Minister and several Cabinet members were safe. The Houthis said the attack targeted the headquarters of Saudi Arabia’s military operations in Aden.
- US inflation heats up as producer prices post their biggest rise in 4.5 years
US inflation is accelerating. Producer prices rose 1.3% month on month in September 2026, the largest increase since March 2022 and far above market expectations of 0.5%. Data from the US Department of Labor on Thursday (15 October 2026) showed the Producer Price Index (PPI) rose 6.3% year on year, its highest rate since December 2022.
Price pressures also spread to the services sector. Producer prices for services rose 0.8%, while road freight costs increased 3.8% and airfares jumped 5%.
- US jobless claims rise, but labour market remains resilient
The US also reported a slight increase in the number of people filing initial claims for unemployment benefits in the week ending 10 October 2026. However, the figure was below market expectations, pointing to continued strength in the US labour market.
The US Department of Labor said initial claims rose by 1,000 to 199,000, slightly below the market forecast of 200,000. Continuing claims fell by 4,000 to 1.71 million. That figure remained relatively close to the more than three-year low recorded two weeks earlier.
The data indicate that the US labour market remains resilient, in line with the Federal Reserve’s assessment that employment conditions are close to full employment.
- Discussion between the Federal Reserve chair and the IMF
The IMF-World Bank meetings in Bangkok, Thailand, include an important event on Friday (16 October 2026): a fireside chat between International Monetary Fund Managing Director Kristalina Georgieva and Federal Reserve Chair Kevin Warsh.
The discussion, scheduled for 10.30am WIB in Bangkok, could offer clues about the global economic outlook, inflationary pressures, the direction of US interest rates and global debt risks.
Warsh’s remarks are attracting market attention because they could affect expectations for Federal Reserve monetary policy, the US dollar, US Treasury yields and gold prices. For Indonesia, signals of tighter Fed policy could put pressure on the rupiah and prompt capital outflows from emerging markets, while a more dovish signal could support risk assets.