The Expert Advisor uses a high-risk strategy.

It enters positions at level breakthrough and closes trades using trailing stop. It trades only one order at a time. No grid, martingale or averaging. It uses a fixed stop loss.

The screenshots feature backtesting on history tick data from Dukascopy with a real dynamic spread, commission of 10 currency units and simulation of slippage of +-3 pips with the 80% probability.

Recommended leverage 1:100 - 1:500. On screenshots, the leverage is 1:500 and risk is 80%.

The EA was tested on EURUSD.

Broker with a professional ECN account, low spread and commission is recommended.

The EA uses scalping, therefore the broker is a critical factor of profitability.

Parameters:

• Risk (Risk in percent) - lot size calculated as a percent of free margin.
• StopLoss (StopLoss in pips) - stop loss is set during order opening
• MaxSpread (Maximum spread) - spread is set in pips. once the max spread is reached, the robot stops trading until the spread lowers to normal values. (0 - spread control is off)

... Setup of Trading Time

• HourStopTrading (Hour stop trading) - default is 23
• MinuteStopTrading (Minute stop trading) - default is 30
• HourStartTrading (Hour start trading) - default is 0
• MinuteStartTrading (Minute start trading) - default is 1

So the trading session ends at 23:30 and starts at 00:01

• TrailingStop (TrailingStop in pips) - the distance from the price to move Stop Loss
• StepTrail (StepTrail in pips) - minimum step to move Stop Loss
• Magic - the order ID