Proprietary trading platforms are software systems developed in-house or customized extensively from existing platforms. Firms that use a proprietary trading platform signify a commitment to specialized, customized trading tools tailored to their specific trading strategies, whether they be high-frequency trading, algorithmic strategies, or other specialized trading methods. These platforms are not available to the general public and are designed exclusively for the firm's traders. By employing this, prop firms leverage custom-built technology to gain an edge in the financial markets. Proprietary trading platforms provide a higher degree of customization and adaptability and often offer enhanced security, vital for safeguarding sensitive trading data and strategies. Additionally, proprietary platforms can be integrated with the firm’s internal systems, such as back-office operations and compliance monitoring. The role of these platforms extends beyond mere trade execution as they are central to a prop firm’s overall approach to market engagement, strategy development, and risk management. The list below features prop trading firms that have developed and use their own trading platforms: