Crystal Ball was originally introduced in 1986 by Decisioneering Inc. to integrate Monte Carlo techniques into spreadsheets and systems to more accurately forecast risk and variance.

1998 - Decisioneering introduced Crystal Ball Professional Edition, the first desktop software suite to combine the technologies of Monte Carlo simulation and global optimization. Crystal Ball Pro was hailed as a breakthrough product and received several awards and nominations.

June 2004 - Decisioneering launched Crystal Ball Premium Edition, combining time-series forecasting, Monte Carlo simulation, optimization and real options analysis.

March 2007 - Decisioneering was acquired by Hyperion to add predictive capabilities to its business intelligence suite that uses Microsoft Excel as its primary interface.

July 2007 -  Oracle Corporation acquired Hyperion including Decisioneering, in order to offer a best-of-breed business intelligence product family that will work with heterogeneous information from both Oracle and non-Oracle sources.