BAD DATA
The most important feature is to have reliable DATA, not sometimes, but all the time. As I write this, the charting for ^GSPC is inaccurate. It is missing DATA from the Market open at 9:30a EST until 10:47. In a million years I would not want pay for such a data steam. I do not even want it for Free. Additionally, Many of your Technical indicators are miscalculated. Go back to the beginning of the book and start over.
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