The Jakarta Composite Index (IHSG) experienced a significant downturn at the start of the week, extending its bearish trend for the fifth consecutive trading day. The sustained decline reflects mounting pressure across the Indonesian stock market.
According to data from the Indonesia Stock Exchange (BEI) via RTI, the IHSG closed sharply lower by 1.84%, shedding 124.08 points to settle at 6,599.24 on Monday, May 18, 2026. This notable drop underscores the broad-based negative sentiment currently dominating the market.
The selling pressure was felt uniformly across nearly all sectors. The most significant declines were observed in the transportation, raw materials, industrial, infrastructure, energy, property and real estate, and technology sectors, indicating a widespread loss of investor confidence.
IHSG Plunges 5.2%, Check the Largest Foreign Net Sell Stocks Last Week
Market activity on the BEI reflected this bearish sentiment, with a total trading volume reaching 32 billion shares and a substantial transaction value of Rp 20.7 trillion. The high volume suggests active trading driven by selling interest.
Further compounding the negative sentiment, a vast majority of stocks saw declines. A staggering 616 stocks weakened, acting as primary drivers for the index’s fall, while only 125 stocks managed to strengthen, and 79 remained stagnant.
Foreign investors also played a significant role in the downturn, recording a net sell of Rp 463.99 billion across all markets. This substantial outflow of foreign capital further intensified the downward pressure on the IHSG at the beginning of the week.
IHSG Crashes 2.86% to 6,969, Observe the Largest Foreign Net Sell Stocks at Weekend End
Below are the 10 stocks with the largest foreign net sell on Monday:
1. PT Aneka Tambang Tbk (ANTM) Rp 315.03 billion
2. PT Barito Renewables Energy Tbk (BREN) Rp 152.53 billion
3. PT Amman Mineral Internasional Tbk (AMMN) Rp 149.08 billion
4. PT Alamtri Resources Indonesia Tbk (ADRO) Rp 76.76 billion
5. PT Dian Swastatika Sentosa Tbk (DSSA) Rp 68.11 billion
6. PT Petrindo Jaya Kreasi Tbk (CUAN) Rp 63.96 billion
7. PT Chandra Asri Pacific Tbk (TPIA) Rp 52.99 billion
8. PT Indah Kiat Pulp % Paper Tbk (INKP) Rp 29.69 billion
9. PT Sumber Alfaria Trijaya Tbk (AMRT) Rp 28.86 billion
10. PT Merdeka Gold Resources Tbk (EMAS) Rp 27.4 billion

ANTM Chart by TradingView
Summary
The Jakarta Composite Index (IHSG) declined by 1.84% to close at 6,599.24 on May 18, 2026, marking its fifth consecutive day of losses. This downturn was characterized by widespread selling across multiple sectors, including transportation, infrastructure, and energy, with 616 stocks experiencing price drops throughout the trading session.
Investor confidence was further weakened by significant foreign capital outflows, which reached a net sell of Rp 463.99 billion. High market activity, evidenced by a trading volume of 32 billion shares, highlighted the intense selling pressure that impacted major stocks such as PT Aneka Tambang Tbk and PT Barito Renewables Energy Tbk.