Market Update: IDX Composite Faces Significant Weekly Correction
JAKARTA – The Indonesian stock market faced heavy headwinds this week as the Indeks Harga Saham Gabungan (IHSG), or the Jakarta Composite Index, plummeted by 6.61% in a single week. The sharp decline triggered a massive contraction in market capitalization, reflecting a volatile period for investors.
According to trading data released by the Indonesia Stock Exchange (IDX) as of Saturday, April 25, 2026, the index closed at 7,129.49. This represents a substantial loss of 504.51 points compared to the previous week’s closing level of 7,634. Throughout the week, the index fluctuated between a low of 7,115.97 and a high of 7,692.14.
The market downturn significantly impacted total valuation. The IDX market capitalization shrank from Rp13,635 trillion to Rp12,736 trillion, wiping out approximately Rp899 trillion in value within just five trading days. In US dollar terms, the market capitalization dropped from US$793 billion to US$737 billion.
Market Dynamics: Mixed Activity Amid Volatility
Despite the bearish sentiment, trading activity displayed a unique pattern. The average daily trading volume rose by 4.44%, reaching 44.883 billion shares, up from 42.976 billion the previous week. Similarly, the daily frequency of transactions saw a marginal increase of 1.09%, totaling 2.749 million transactions.
However, this surge in trading volume did not translate into higher turnover. The average daily transaction value fell by 3.67%, settling at Rp19.613 trillion compared to the previous week’s Rp20.360 trillion. When converted to US dollars, the average daily transaction value decreased by 4.11%, reaching US$1.139 billion.
Investor Growth Remains Resilient
Amidst the market turbulence, the Indonesia Stock Exchange continues to see a steady influx of new participants. Acting Corporate Secretary of the IDX, Aulia Noviana Utami Putri, noted that the total number of capital market investors reached 26,121,311 Single Investor Identification (SID) as of April 24, 2026. This marks a year-to-date (ytd) growth of 28.37%.
A significant portion of this growth includes 5,773,486 new capital market investors, with an average of 50,645 new SIDs added daily, underscoring the enduring public interest in the Indonesian capital market. Specifically, the number of stock investors also climbed, reaching a total of 9,523,625 SIDs, representing a 10.69% increase year-to-date.
“Throughout the current year, we have recorded 919,448 new stock investors, with an average daily addition of 8,065 SIDs,” Putri explained.
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Summary
The Jakarta Composite Index (IHSG) experienced a sharp 6.61% decline this week, closing at 7,129.49 points. This downturn resulted in a massive contraction of market capitalization, which plummeted by Rp899 trillion to a total of Rp12,736 trillion. Despite the drop in index value, trading volume increased by 4.44%, although the average daily transaction value saw a 3.67% decrease.
Amidst this market volatility, the Indonesia Stock Exchange continues to attract new participants, with the total number of investors reaching over 26.1 million. Year-to-date, the market has seen a 28.37% increase in total capital market investors and a 10.69% rise in stock-specific investors. On average, the exchange continues to record over 8,000 new stock investors daily, demonstrating resilient public interest in the market.