Mark-to-market is the valuation process that provides an indication of reasonable values for positions on a daily basis, or at some point in time. The process of marking to market requires relevant and current market data to calculate a trade's value. The data can be either of the following:
Automatically sourced from a third-party data provider and imported: Some of the supported data providers are Platts, Imarex, and Baltic.
Manually entered: This process is useful when trying to model; organizations may choose this path as a result of their internal data adjustment process.