**Market Brief: Indonesia Stock Exchange Shake-up & Volatility** **Executive Summary** The Indonesia Stock Exchange (IDX) is undergoing a major leadership transition amid severe market volatility. **IDX CEO Iman Rachman** resigned today, January 30, 2026, assuming responsibility for a massive sell-off that erased approximately **$80 billion** in market value over two days. **Market Performance** * **Jakarta Composite Index (JCI):** The benchmark index plummeted more than **8%** earlier this week—its steepest decline in decades—before paring losses to trade near **8,372** on Friday. * **Currency:** The Indonesian Rupiah (IDR) weakened to a record low, trading around **16,985** against the US Dollar. * **Foreign Flows:** Foreign investors offloaded a net **$645 million** in Indonesian equities during the two-day rout. **Catalyst: MSCI Warning** The sell-off was triggered by a critical warning from index provider **MSCI**, which flagged serious concerns regarding ownership transparency and low free float in Indonesian stocks. MSCI has frozen index updates for the country and warned of a potential downgrade from "Emerging Market" to "Frontier Market" status—a move that would trigger automatic divestment by major global funds. **Regulatory Response & Measures** To stem the bleeding and restore investor confidence, the Financial Services Authority (OJK) and IDX announced immediate corrective measures: * **Free Float Requirement:** The minimum free float for listed companies will be doubled from **7.5%** to **15%**. * **Institutional Limits:** Pension funds and insurance firms are now permitted to increase their capital market exposure cap to **20%** (up from 8%). * **Transparency:** Authorities pledged to disclose Ultimate Beneficial Owner (UBO) data to address opacity concerns. **Outlook** While the index showed a slight rebound on Friday following the regulatory announcements, sentiment remains fragile. Market participants are closely monitoring the implementation of these reforms ahead of MSCI's next review deadline in **March 2026**.