Abstract: The present disclosure includes systems and methods for generating real-time high-frequency product data stream to enable low-latency transactions based on inventory data available from one or more third-party seller platform servers executing a platform that lists a plurality of products. The systems and methods of the present disclosure provide sanitized real-time high-frequency product data stream that is actionable and can be shared with third-party market participants. The system and methods can secure the system that facilitates low-latency transactions using firewalls and access control rules that compartmentalizes access to information using multiple data layers for the sub-systems.