Metronome HistoryMaker - Version 1.0 Metronome HistoryMaker is a Synthetic Historical Financial Time Series Generator. It is a powerful tool for stress-testing mechanical trading systems. It understands real-world market data characteristics and synthesises limitless quantities of time series data that are almost indistinguishable from the real thing. Applying these data to a trading system will provide a destruction test that will uncover its weaknesses - before it is traded with real capital.