Alpaca and Indonesia Stock Exchange Move to Connect Indonesian Investors With Global Markets

Indonesia’s rapidly expanding investor community is creating a new opportunity for financial technology companies: connecting domestic investors with international markets while simultaneously making Indonesian assets more accessible to overseas participants.

That opportunity is at the centre of a new agreement between Alpaca and the Indonesia Stock Exchange, or IDX. The companies have signed an agreement to explore a framework for expanding cross-border access between Indonesian and global capital markets, using Alpaca’s brokerage infrastructure and Indonesia’s Penyaluran Amanat Luar Negeri, or PALN, mechanism.

The agreement was signed in Jakarta on September 1, 2026, by Alpaca co-founder and CEO Yoshi Yokokawa and IDX President Director Jeffrey Hendrik. Rather than representing an immediate launch of a new investment product, the agreement establishes a framework for exploring how Indonesian securities brokers could provide customers with access to U.S. and other foreign securities.

Under the proposed structure, Indonesian broker members could leverage Alpaca-supported infrastructure for execution, clearing and custody. The arrangement is also intended to examine the reverse direction, potentially creating pathways for international brokers and market participants to access Indonesian capital-market products and services.

The development comes against a significant change in Indonesia’s retail investment landscape. The number of investors in the country’s capital markets has surpassed 30 million, according to the companies, while demand for international investment opportunities continues to grow.

For investors, the attraction is straightforward. International diversification has traditionally required opening accounts with overseas providers or navigating unfamiliar financial systems. If global-market access can instead be integrated through regulated domestic financial institutions, the experience could become substantially simpler.

For Indonesian brokers and fintech companies, the opportunity is equally significant. API-based infrastructure can allow financial institutions to embed international investing into their own platforms rather than building every component internally.

That model is increasingly important as financial services become more modular. Brokerage infrastructure, payments, identity verification, custody and market access can increasingly be delivered through specialised technology providers, allowing consumer-facing financial companies to focus on customer relationships and product design.

Alpaca has built its business around that infrastructure model. The U.S.-headquartered, self-clearing broker-dealer supports more than 10 million brokerage accounts across hundreds of fintech companies and institutions in more than 40 countries.

The company already has an established presence in Indonesia, working with firms including Ajaib, Gotrade, Nanovest, PT Valbury Asia Futures and Reku. The agreement with IDX therefore builds on an existing local ecosystem rather than representing an entirely new market entry.

For IDX, the strategic value lies in increasing connectivity. Indonesia’s capital market has been expanding alongside a growing middle class, increased digital adoption and greater retail participation. At the same time, international investors are increasingly looking toward Southeast Asian markets for diversification and growth opportunities.

Reciprocal access could help both sides.

Indonesian investors would potentially gain easier exposure to global companies and markets, while international institutions could gain more streamlined access to Indonesian investment opportunities. That could improve the flow of capital in both directions, although the practical implementation will depend on regulatory requirements and the development of an appropriate operating framework.

The PALN mechanism is central to that process. It provides the regulatory pathway through which Indonesian brokers can offer customers access to securities traded on overseas exchanges.

The collaboration also reflects a broader transformation in global capital markets. Financial technology is making markets increasingly interconnected, but regulatory boundaries remain national. The challenge for infrastructure providers is therefore to create technology that can operate across jurisdictions while allowing local financial institutions to maintain the regulatory and customer relationships required in their home markets.

Alpaca’s role is potentially significant because its infrastructure can provide execution, clearing and custody capabilities behind the scenes.

For IDX, meanwhile, greater international connectivity could strengthen the exchange’s position within the increasingly integrated Asian financial ecosystem.

The agreement is still exploratory, and investors should distinguish between a framework for cooperation and an immediately available investment service. Nevertheless, its direction is clear.

As Indonesian investors become more sophisticated and international investment becomes more accessible digitally, the boundaries between domestic and global capital markets are likely to continue narrowing.

The Alpaca-Indonesia Stock Exchange partnership is an early step in that process, with the potential to make cross-border investing more accessible while giving international participants a more direct route into one of Southeast Asia’s most dynamic economies.

More information is available through Alpaca and Indonesia Stock Exchange.