Flooring Guide by Cinvex – , JAKARTA — The Indonesian Composite Index (IHSG) has shown a robust upward trajectory throughout the current year, a performance paralleled by a significant surge in the number of domestic investors. This strong foundation of local investor engagement has been instrumental in bolstering the resilience of Indonesia’s stock market, even as foreign investors continued to record a net sell position.
According to data from the Indonesia Stock Exchange (IDX), the total number of capital market investors in Indonesia reached an impressive 19.15 million Single Investor Identifications (SID) by the end of October 2025. This remarkable growth includes 4,282,848 new investors joining the capital market in 2025 alone, marking a substantial 58.4% increase compared to the 2,703,578 new investors recorded in 2024.
Delving deeper into specific segments, the number of stock investors on the IDX has now reached 8,083,076 SID. This figure reflects the addition of 1,701,632 new stock investors throughout 2025, which represents a 51.2% rise from the 1,125,873 new stock investors welcomed in 2024, further underscoring the expanding participation in equities.
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Concurrently with this surge in investor activity, the IHSG itself closed up 15.31% year-to-date, reaching a level of 8,163 as of October 31, 2025. This significant strengthening of the IHSG during the year occurred despite foreign investors registering a cumulative net sell of Rp41.78 trillion, highlighting the pivotal role of domestic capital in driving market performance.
Iman Rachman, President Director of the IDX, emphasized that the continuous increase in investor numbers signifies a growing awareness and readiness among the public to invest, particularly within the younger generation under 30, who are demonstrating increased activity and confidence in their investment decisions.
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“This achievement is a direct result of the IDX’s unwavering commitment, in collaboration with all stakeholders, to consistently implement targeted educational and literacy initiatives. Programs such as Sekolah Pasar Modal (Capital Market School), Guruku Investor Saham (My Teacher is a Stock Investor), and CMSE have been crucial,” Iman stated on Thursday, November 6, 2025.
The IDX further elaborated on its outreach efforts, noting that between March and October 2025, it conducted 101 “Road to CMSE” activities across various regions. These events engaged over 185,000 participants and successfully onboarded an additional 184,000 new investors into the market.
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The 2025 CMSE (Capital Market Summit & Expo) itself saw remarkable engagement, with total registrants reaching 25,180 individuals, an impressive 105.9% increase. The event attracted 48,308 visitors, up 12.3% from the previous year. Of these, 11,682 investors attended in person, marking a 51.4% rise, while 36,626 participated virtually through the IDX YouTube channel and various watch parties hosted at IDX Representative Offices.
By the close of October 2025, the IDX, through its extensive network of Representative Offices nationwide, had facilitated a total of 14,993 educational activities, engaging a vast audience of 14,333,853 participants. These activities were strategically delivered, with 5,415 conducted digitally and 9,578 through face-to-face or hybrid formats.
From these diverse educational initiatives, a significant 319,177 participants proceeded to open securities accounts. These accomplishments emphatically underscore the IDX’s ongoing commitment to fostering capital market inclusion and enhancing public financial literacy through sustainable, collaborative, and inclusive approaches.
Looking ahead, the IDX aspires to broaden public engagement, encouraging more individuals not only to familiarize themselves with the capital market but also to actively participate, thereby contributing to Indonesia’s competitive and sovereign national economic growth.
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Summary
The Indonesian Composite Index (IHSG) experienced a robust 15.31% year-to-date increase by October 31, 2025, reaching 8,163, primarily propelled by a substantial surge in domestic investor participation. The total number of capital market investors in Indonesia reached 19.15 million Single Investor Identifications (SID), including 4,282,848 new investors in 2025, marking a 58.4% rise. This strong local engagement proved crucial in bolstering market resilience, even as foreign investors registered a cumulative net sell of Rp41.78 trillion.
The Indonesia Stock Exchange (IDX) credits this expansion to its consistent educational and literacy initiatives, such as Sekolah Pasar Modal and CMSE, which fostered increased public awareness and confidence, particularly among younger generations. These extensive outreach programs, including 14,993 educational activities by October 2025, successfully led 319,177 participants to open securities accounts. The IDX continues its commitment to capital market inclusion and aims to broaden engagement to contribute to national economic growth.