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IDX reaches new all-time high after BI’s surprise rate cut

The IDX Composite climbed another 0.5 percent to 8,065.74 points in Thursday's opening session before slipping to close 0.21 percent lower at 8,008.43 points. 

Ni Made Tasyarani (The Jakarta Post)
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Thu, September 18, 2025 Published on Sep. 18, 2025 Published on 2025-09-18T11:53:43+07:00

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A screen at the Indonesia Stock Exchange (IDX) in Jakarta shows stock quotes on Jan. 2. The IDX Composite Index closed 0.38 percent higher at 6,638.45 on Friday. (Antara Foto/Hafidz Mubarak A) A screen at the Indonesia Stock Exchange (IDX) in Jakarta shows stock quotes on Jan. 2. The IDX Composite Index closed 0.38 percent higher at 6,638.45 on Friday. (Antara Foto/Hafidz Mubarak A) (Antara Foto/Hafidz Mubarak A)

T

he Indonesia Stock Exchange (IDX) Composite Index hit a new all-time high this week, with analysts expecting the rally to continue following Bank Indonesia’s (BI) fifth rate cut of the year.

The benchmark index closed Wednesday up 0.85 percent at 8,025.17 points, setting a fresh record and pushing market capitalization to an unprecedented Rp 14.5 quadrillion (US$880.8 billion).

The rally carried into Thursday’s opening session, with the IDX Composite climbing another 0.5 percent to 8,065.74 points before slipping to close 0.21 percent lower at 8,008.43 points.

Local brokerage Samuel Sekuritas stated in a note on Thursday that it expected the index to “move higher” on the back of positive sentiment following the benchmark rate cut.

BRI Danareksa Sekuritas likewise attributed the index’s new record to the central bank’s unexpected decision to lower interest rates, complemented by the United States Federal Reserve’s first rate cut of the year by 25 basis points (bps).

BI Governor Perry Warjiyo announced on Wednesday that the BI Rate was cut by 25 basis points to 4.75 percent, its lowest level since October 2022.

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The surprise move caught most analysts off guard, as the majority had expected BI to pause after back-to-back cuts in the previous two months. The timing added to the drama, coming just hours ahead of the Fed’s closely watched rate decision.

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IDX reaches new all-time high after BI’s surprise rate cut

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