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The IDX Composite index is building momentum, but without regulatory predictability and solid earnings, the current upswing risks running out of steam.
An electronic board displays stock prices at the Indonesia Stock Exchange (IDX) in Jakarta on Jan. 29, 2026. (AFP/Yasuyoshi Chiba)
The recent rebound in the Indonesia Stock Exchange (IDX) Composite index has injected a degree of optimism into Indonesian financial markets. After spending much of the year under pressure from global uncertainty, a weaker rupiah and concerns over capital outflows, the benchmark index has climbed back above the 6,200 level and continues to build momentum.The market’s advance has been supported by improving risk sentiment, Indonesia retaining investment-grade status and expectations that domestic economic growth will remain resilient. Yet, investors should be careful not to mistake a relief rally for the beginning of a sustained bull market.
The latest upswing is encouraging, but whether it can evolve into a longer-term trend will depend on four key factors: Bank Indonesia’s (BI) policy direction, foreign fund flows, rupiah stability and corporate earnings performance. Together, these variables will determine whether the market’s recovery is merely cyclical or fundamentally sustainable.
