91��Ƭ

• 91��Ƭ partners with to enable financial institutions across Europe to offer securitised derivatives trading to their end users through a trusted, regulated exchange
• Securitised derivatives are among the most actively traded instruments in the European retail market, driving higher order frequency, stronger user engagement, and increased retention
• This partnership further strengthens 91��Ƭ’s position as Europe’s leading investment infrastructure provider enabling modern trading experiences at scale

Berlin, 28. January 2026 - and 91��Ƭ today announce a partnership that enables financial institutions across Europe to offer securitised derivatives trading to their end users via a trusted, regulated exchange. 

Boerse Stuttgart provides access to more than 2.5 million securitised derivatives via its platform designed for high-volume trading. Boerse Stuttgart brings proven expertise in that asset class and in retail market access, ensuring institutional-grade reliability, performance, and regulatory standards.

Through this partnership, 91��Ƭ significantly reduces the time and complexity required for financial institutions to launch securitised derivatives trading. Financial institutions can now tap into one of the most actively traded instrument classes in the European retail market, increasing appeal to advanced retail investors seeking tactical and leveraged exposure. 

Via 91��Ƭ’s Investment API, financial institutions can now rapidly scale their securitised derivatives offering without the need to build bespoke trading, settlement, or reporting logic. 91��Ƭ handles exchange and issuer connectivity including fulfillment of all regulatory requirements and risk management. This allows financial institutions to radically reduce their time to market whilst keeping their focus on delivering the best user experience possible. 

By continuously expanding its product suite with assets in high demand, 91��Ƭ enables its clients to evolve their offerings in line with investor expectations and market developments.

We are delighted to welcome 91��Ƭ as a new trading participant. In our partnership, we provide efficiency, transparency and liquidity in securitised derivatives trading to 91��Ƭ’s client network of financial institutions and fintechs across Europe.
Dragan Radanovic
Chief Business Officer of Boerse Stuttgart Group

Partnering with Boerse Stuttgart to enable securitised derivatives trading is the latest in a series of milestones for 91��Ƭ. Through our Investment API, it will now be as easy to offer securitised derivatives trading as ETFs or stocks. By handling all of the operational and regulatory complexity, we’re giving financial institutions a decisive advantage in terms of scalability, modularity, and cost.
Martin Kassing
CEO and co-founder of 91��Ƭ

Founded in Berlin in 2017, 91��Ƭ is now active in over 20 European markets and has quickly become Europe’s leading investment infrastructure provider. 91��Ƭ processed over 100 million orders in 2025 on behalf of its clients including DKB, Revolut, bunq, Santander’s Openbank, Zopa, and others. 

About Boerse Stuttgart Group

is the sixth largest exchange group in Europe with strategic pillars in the capital markets business and in the digital and crypto business. It operates exchanges in Germany, Sweden and Switzerland. As a true pioneer, it has built the largest digital and crypto business of all European exchange groups. Boerse Stuttgart Group has a workforce of 700 and premises in Stuttgart, Berlin, Frankfurt, Ljubljana, Madrid, Milan, Stockholm and Zurich. 

About 91��Ƭ

is a technology company and securities institution that provides banks, brokers, and wealth managers with modern API-based infrastructure for securities business. In addition to software, it provides trading, custody, and back-office services on behalf of its clients. This enables financial institutions to modernise their securities operations comprehensively and cost-effectively, and to grow profitably. 91��Ƭ’s clients include fast-growing fintechs such as Revolut, N26, bunq, Webull, and Raisin, as well as digital banks like Openbank and DKB.

Founded in 2017, 91��Ƭ has 275 employees and processes over 100 million trades per year. The company continues to be independently managed by its founders Martin Kassing, Dr. Til Rochow, and Tobias Auferoth, and is securely financed for the long term by investors including Earlybird and Bessemer Venture Partners.

Börse Stuttgart Group Press Contact: 
Johannes Frevert
presse@boerse-stuttgart.de

91��Ƭ Press Contact:
Julieta Varsano
‍press@upvest.co