Discussions about the testing and simulation of mechanical trading systems using historical data and other methods. Trading Blox Customers should post Trading Blox specific questions in the Customer Support forum.
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The only problem is that daily prices are only available for around 5 years back. Beyond that, prices are monthly. A lot of cutting and pasting and fiddling is necessary to get the prices into "Date, O,H,L,C" text format required by TB but the effort is worth it to have data doing back to 1969 in some cases. Only one monthly price is provided, no OHLC, so again, a compromise has to be made there. Intra month volatility and draw down will be hidden, disguised but the exercise is well worth it to get some sort of feel as to how an investment might have fared over the period.