Abstract: A system for determining asset prices within a web-based application IS PROVIDED. The system includes a backend server comprising a data collection engine for collecting data from a plurality of data sources, a data standardization engine for standardizing the data collected by the data collection engine, and an Applications Programming Interface (API) engine for carrying out requests as demanded by an end user through a web-based enabled user interface; a database server comprising one or more database tables for storing the data collected from the data collection engine; and a frontend server comprising a web server that interacts with the API engine and communicates with the user interface via a web based application hosted on the web server.