Creating own trading system

Quote from Sergio77:

Backtesting is one of the most misunderstood and dangerous practices that is the main drive behind the massive failures of newcomers to trading especially those trading futures who do not understand how to properly adjust contracts. I know of no trading platform that properly assists traders in adjusting data the correct way so that backtesting results are realistic. If one exists please let me know.
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I am not sure i don't oppose that - given the tremendous influence of indicators people never even bother to properly understand, mathematically.

But simulating proper fills is really hard - it is a lot less so if you run a feed replay (something ninja can not properly do to start with) of all book changes in proper order. But if you backtest based on basically - bars.... sitting duck, waiting for a disaster.

That said, replay is computational intensive. And storage intensive. Blows the budgets of most retail traders, especially most that just spend 0 for ninja ;)
 
Quote from NetTecture:

Blows the budgets of most retail traders, especially most that just spend 0 for ninja ;)
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Spending 0 is a trend but I wonder whether that also means making 0. :)
 
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