Historical time series that have been modified to correct for discontinuities thereby bringing the historical record in-line with the current state of the stations. Recalibrated data represents the best available dataset for pricing risk. In addition to the adjusted historical timeseries, users have access to an online ongoing monitor that facilitates real time analysis of potential discontinuities. Alerts (via e-mail) inform users of potential discontinuities as they are detected as well as provide intelligence of upcoming events. Real time features are designed such that traders can modify their trading strategy based upon the latest information available.