JCI Plunges 8.69% in a Week Amidst Market Volatility

The Indonesia Stock Exchange (IDX) saw its Jakarta Composite Index (JCI) weaken significantly, plunging 8.69% over the trading week of June 2-5, 2026. The index closed at 5,594.76 on Friday, June 5, marking a substantial decline for the period.

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The stock trading data at the IDX from June 2-5, 2026, closed in varying zones.

Despite the overall market downturn, trading activity showed mixed signals. The average daily transaction frequency saw a notable increase of 14.11%, rising from 2.11 million to 2.41 million transactions compared to the previous week. Similarly, the average daily trading volume also grew by 8.66%, reaching 33.63 billion shares from 30.95 billion shares. However, the average daily transaction value experienced a decrease of 5.71%, falling from Rp28.38 trillion to Rp26.97 trillion.

The IDX's market capitalization also suffered, shrinking by 8.59% from Rp10,729 trillion to Rp9,807 trillion. Foreign investors were net sellers, recording a net selling value of Rp3.73 trillion on Friday alone. Year-to-date, foreign net selling reached Rp61.36 trillion, indicating a significant outflow of foreign capital.

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The recent correction and pressure on the JCI reflect the market's response to various global and domestic factors.

Hasan Fawzi, Executive Head of Capital Market Oversight at the Financial Services Authority (OJK), attributed the JCI's correction to a combination of global and domestic factors. He cited investor portfolio adjustments following global index rebalancing and evolving economic indicators and sentiments as key influences. Fawzi urged investors to analyze market dynamics rationally and proportionally.

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However, there have also been developments in various economic indicators and sentiments, both domestic and global, which also influence and are considered by the investors.