IDX Composite gains 282 points as MSCI reforms lift banks
Published on 10/20/2026 at 18:49 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWSReforms and rate decision
- IDX Composite closed at 5,279 points on October 20, up 282 points or 5.7 percent.
- IDX reforms targeting MSCI concerns helped drive the rebound after a 15 percent two-day slide.
- Bank Rakyat Indonesia gained 9.8 percent and added 36.95 index points.
- Bank Indonesia announces its rate decision on October 21, with forecasts split between 5.75 and 6.00 percent.
IDX Composite closed at 5,279 points on October 20, gaining 282 points or 5.7 percent. The rebound followed measures by the Indonesia Stock Exchange to address MSCI concerns over market transparency and ownership concentration, IDNFinancials reports.
Bank Rakyat Indonesia rose 9.8 percent and contributed 36.95 index points. Bank Central Asia gained 7.9 percent and added 34.73 points, according to IDNFinancials.
Why did IDX Composite rebound?
The index recovered after losing more than 15 percent over the previous two sessions. The exchange plans to exclude stocks with high shareholding concentration from index calculations and improve ownership disclosures.
Analysts at Phintraco Sekuritas linked the rebound to a positive response to those initiatives. The measures followed MSCI's proposal to consider moving Indonesia from emerging-market to standalone-market status.
Bank shares lead IDX Composite
All 11 sectors advanced. Transportation and logistics led with a 7.0 percent gain, followed by basic materials at 6.6 percent and infrastructure at 5.6 percent, Antara reports.
Trading involved 54.83 billion shares in 2.47 million transactions worth IDR 26.47 trillion. Advancers numbered 694, compared with 111 decliners and 158 unchanged stocks.
Top and flop in IDX Composite
Top and bottom performers at the October 20 close came from the same session, according to Kumparan:
- Atlantis Subsea Indonesia up 33.3 percent.
- Bumi Benowo Sukses Sejahtera up 25.5 percent.
- Pudjiadi and Sons up 25.0 percent.
- Agung Menjangan Mas down 10.0 percent.
- Lima Dua Lima Tiga down 9.9 percent.
- Minahasa Membangun Hebat down 9.9 percent.
What comes next for IDX Composite
- October 21, 2026: Bank Indonesia announces its policy decision. Forecasts range from holding the BI-Rate at 5.75 percent to raising it to 6.00 percent, CNBC reports.
IDX Composite price data for October 20, 2026
IDX Composite closed at 5,279 points on October 20, up 282 points or 5.7 percent from the previous close of 4,997 points, Kompas reports. The index opened at 4,980 points and traded between 4,980 points and 5,279 points.
IDX Composite by the numbers on October 20, 2026
- Index: IDX Composite
- Home exchange: Indonesia Stock Exchange, Indonesia
- Close on October 20, 2026: 5,279 points
- Change versus previous close of October 19, 2026: up 282 points (up 5.7 percent)
- Previous close: 4,997 points
- Open: 4,980 points
- Day high / day low: 5,279 points / 4,980 points
- Top gainer: Atlantis Subsea Indonesia up 33.3 percent
- Top loser: Agung Menjangan Mas down 10.0 percent
