The Indonesia Stock Exchange (IDX) placed 12 stocks under monitoring due to unusual price movements classified as unusual market activity (UMA) as of June 8, 2026. The stocks include PT Mitra Energi Persada Tbk. (KOPI), PT Ingria Pratama Capitalindo Tbk. (GRIA), PT Fortune Indonesia Tbk. (FORU), PT Sinergi Inti Andalan Prima Tbk. (INET), PT Citra Borneo Utama Tbk. (CBUT), PT Soechi Lines Tbk. (SOCI), PT Lupromax Pelumas Indonesia Tbk. (LMAX), PT RMK Energy Tbk. (RMKE), PT First Media Tbk. (KBLV), PT Kedoya Adyaraya Tbk. (RSGK), PT Techno9 Indonesia Tbk. (NINE), and PT Sentul City Tbk. (BKSL).

In its announcement, the IDX stated that KOPI, INET, CBUT, SOCI, LMAX, RMKE, KBLV, RSGK, NINE, and BKSL experienced unusually sharp declines in their share prices. Over the past week, these stocks recorded corrections of 26.67%, 29.91%, 29.41%, 26.42%, 32.74%, 38.26%, 34.09%, 29.78%, 38.89%, and 23.29%, respectively.

Meanwhile, GRIA and FORU were identified as having experienced abnormal price increases. During the last week, the two stocks surged by 23.14% and 33.93%, respectively.

In relation to the UMA designation, the IDX stated that it is currently monitoring developments in the trading patterns of these shares.

The IDX management emphasized that a UMA announcement does not automatically indicate any violation of capital market laws or regulations.

Therefore, investors are advised to: a. pay attention to the responses provided by the listed companies to the Exchange’s requests for clarification; b. carefully review the companies’ performance and disclosure information; c. reassess any planned corporate actions that have not yet received shareholder approval through a General Meeting of Shareholders (GMS); and d. consider all potential future developments before making investment decisions. All issuer disclosure information is available through the Exchange’s official website at www.idx.co.id.

As previously noted, the Composite Stock Price Index (IHSG) fell by more than 4% in the previous trading session, causing many stocks to decline significantly. However, at the opening of today’s session, the IHSG regained strength and had already risen by approximately 1.5%.