Довольно часто продавцы систем приводят charts доходности по оси "Х" marking closed deals in order of execution. This is especially often seen among the owners of the TradeStation program.. And it looks something like this:
In fact, this graph hides the true information about the system., possibly intentionally. That's why the X-axis" transactions in order? Why not the time axis? Indeed, TradeStation also has such an opportunity.. But because if they build a graph with a time axis, then the chart will cease to be so beautiful and all drawdowns will be reflected on it, who were during the holding of positions. For example, bought by 100, then the price went down to 80 and only after that I went to 105, where the profit was fixed. So here, this drawdown in 20 units on the chart, where deals are marked in order, will not. There is a deception of the buyer in the hope that the buyer is illiterate and will not understand such intricacies. That's why, as soon as I see such a yield graph, I immediately have a fair suspicion of deliberate concealment of information.
Unscrupulous system sellers can go even further. For example, come up with a system, in which losing trades are not closed at all, and sit out until they come out in plus. In this case, the profitability chart with the axis of trades in order" there will be NO LOSSES AT ALL!!!!
Here's a good example. Sketched a system for a quick hand in Velslab for EURUSD. We buy at every candle, when RSI(10) less 40, but we sell when the position becomes profitable. И что видим? Profit chart for closed trades (dark green) confidently growing and, at all, has no drawdown. You can safely sell the grail system for 5000 Dollars…. if a, certainly, hide the true yield curve from the buyer, depicted by the light green line…….
