ASIATODAY.ID, JAKARTA – Trading activity on the Indonesia Stock Exchange (IDX) during the period January 19–23, 2026 ended on a mixed note, marked by a sharp rise in transaction activity and a pullback in the Jakarta Composite Index (JCI) after it briefly reached a record high.
According to IDX data, the average daily trading volume posted the strongest growth this week, surging 9.32% to 65.73 billion shares, up from 60.13 billion shares in the previous week. The jump reflects heightened market participation amid increased volatility.
The average daily transaction value also rose 3.59% to about IDR 33.85 trillion (≈ $2.00 billion), compared with IDR 32.67 trillion (≈ $1.93 billion) a week earlier, signaling robust capital flows across the equity market.
However, the average daily transaction frequency declined 2.66% to 3.75 million trades, down from 3.86 million trades in the prior week, indicating that trading activity was increasingly concentrated in large-cap stocks.
From an index perspective, the JCI fell 1.37% over the week, closing at 8,951.010, compared with 9,075.406 in the previous period.
Despite the correction, the market recorded a historic milestone as the JCI hit an all-time closing high of 9,134.700 on Tuesday, January 20, 2026 before profit-taking set in.
In line with the index movement, IDX market capitalization declined 1.62% to about IDR 16,244 trillion (≈ $961 billion), from IDR 16,512 trillion (≈ $978 billion) in the previous week.
Amid market fluctuations, foreign investors remained net buyers. On the final trading day of the week, foreign investors recorded a net buy of about IDR 759 billion (≈ $45 million). Cumulatively, net foreign inflows in 2026 have reached approximately IDR 4.05 trillion (≈ $239 million).
The sustained foreign buying underscores continued confidence among global investors in Indonesia’s equity market, even as the benchmark index undergoes short-term corrections following a strong rally. (AT Network)
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