Indonesian stocks slide to six-year low as MSCI warning weighs

Indonesian stocks plummeted to a six-year low on October 19, 2026, amid concerns from MSCI, a global index provider, about possible expulsion from its international indexes by 2027. The benchmark stocks witnessed a decline of over 5% in early trading on the day, following a drop of 11.6% on October 16. The announcement of MSCI’s consideration of downgrading Indonesia’s status from "emerging markets" to "standalone" status caused significant concern, as a standalone status would potentially remove Indonesia from the international capital system and exclude it from the group of emerging markets that includes South-East Asian economies like Lebanon and Zimbabwe.

In response to the market turmoil, the Indonesia Stock Exchange reduced its auto-rejection limit for trading to 7% from 15%, providing investors an opportunity to evaluate and digest the available information. The decision followed a weekend meeting between the financial regulator and market participants, including analysts and economists.

Meanwhile, the Indonesia Financial Services Authority (OJK) had also announced sanctions against individuals involved in alleged trading manipulation, totaling 2.1 trillion rupiah (S$148.8 million).

MSCI had threatened a downgrade to "frontier" status in January due to concerns over opacity in ownership and trading behavior. However, after a weekend meeting, MSCI concluded that the lack of progress in addressing these issues warranted a more severe consequence than a downgrade to frontier status. Strategists at Goldman Sachs emphasized that for MSCI to remove Indonesia from its global indexes, there must be clear evidence that the announced reforms have consistently improved market functioning.

The financial repercussions of an MSCI removal could amount to US$5.6 billion in passive outflows. Active funds benchmarked to these indexes hold more than US$8 billion, though any selling would be discretionary rather than benchmark-driven. Foreign investors have already netted US$4.88 billion worth of Indonesian stocks in 2026, on track for the largest annual outflow in at least 16 years.

Aninda Mitra, head of Asia macro and investment strategy at BNY Investments, acknowledged that foreign equity exposure to Indonesia has already decreased significantly, making it challenging to attract larger amounts of capital in this environment. Nonetheless, he noted that even well-founded companies and banks might struggle to attract sufficient capital due to the prevailing environment.

The warning from MSCI has heightened the stakes for President Prabowo Subianto's administration, which has faced numerous setbacks in 2026, with both Moody's and Fitch downgrading Indonesia's sovereign credit outlook to negative earlier in the year. Investors are also concerned about the potential spillover effects beyond the equity market.

The rupiah weakened to 18,040 per dollar, nearing the record low of 18,190 reached in June. Gary Tan, portfolio manager at Allspring Global Investments, highlighted that the spillover into the rupiah and domestic bond yields could lead to tighter financial conditions, negatively impacting the real economy in the short term.