IDX Dips into the Red: Domestic Impact or Global Conflict Volatility?

The Indonesia Composite Index (IHSG) weakened sharply during trading on Monday (18/05/2026) morning. As of 11:43 WIB, the IHSG had fallen by 249.605 points, or 3.71 per cent, to the level of 6,473.714.

The IHSG opened at 6,628.976 and briefly touched a daily high of 6,631.282. However, selling pressure continued to dominate trading, causing the index to hit a low of 6,398.786.

Intraday charts indicate that the decline has been ongoing since the start of the trading session. Trading activity was notably high, with a transaction volume of 20.727 billion shares and a transaction value of Rp11.532 trillion. The trading frequency was recorded at 1.66 million transactions.

The majority of stocks were in the red zone; 689 stocks declined, while only 73 stocks strengthened and 55 remained stagnant. This condition reflects widespread selling pressure within the domestic stock market. The market capitalisation of the Indonesia Stock Exchange was recorded at Rp11,368.497 trillion.