TECHNICAL SPECIFICATION EA – H1 Trend Expansion System (Return Optimization Version)

Platform: MetaQuotes MetaTrader 5
Language: MQL5
Timeframe: H1 (hard-coded default, but parameterized)
Default Symbol: EURUSD (must support any symbol)
Execution Mode: Market Execution

System optimized for:

• Capturing expansion after pullback

• Maximizing R multiple

• Allowing volatility-based scaling

• static datetime lastBarTime;

  if(Time[0] != lastBarTime)

  {

     lastBarTime = Time[0];

     // Execute logic

  } moderate-to-high drawdown

No:static static datetime lastBarTime;

if(Time[0] != lastBarTime)

{

   lastBarTime = Time[0];

   // Execute logic

} lastBarTime;

if(Time[0] != lastBarTime)

{

   lastBarTime = Time[0];

   // Execute logic

}

• Martingale

• Grid

• Hedging

🔹 Trend

• EMA_Trend_Period = 200

• EMA_Pullback_Period = 20

🔹 Risk

• Risk_Percent = 0.5

• Max_Open_Trades = 2

• Max_Trades_Per_Candle = 1

🔹 Stop Loss Mode

Enum:

• SL_FRACTAL

• SL_LOOKBACK

Parameters:

• Lookback_Candles = 5

🔹 Take Profit Mode

Enum:

• TP_FIXED_RR

• TP_TRAILING_R

Parameters:

• RR_Ratio = 2.0

• Trailing_Activation_R = 1.5

🔹 Volatility Filter (NEW – Required for Return Maximization)

• ATR_Period = 14

• Min_ATR_Value = dynamic or fixed

• ATR_Multiplier_SL = 1.0 (optional override)

🔹 Spread Filter

• Max_Spread_Points

🔹 Session Filter

• Session_Start = 08:00

• Session_End = 17:00

• Session_Timezone = CET

• Must auto-adjust DST

🔹 Slippage

• Max_Slippage_Points

🔹 Magic Number

• Magic_Number

BUY allowed if:

Close[1] > EMA200

SELL allowed if:

Close[1] < EMA200

EMA calculated on close price.

No intra-candle calculation.
Signal evaluated only on new bar.

BUY CONDITIONS:

1. Trend bullish

2. Candle[1] touches or closes below EMA20
   (Low[1] <= EMA20 OR Close[1] <= EMA20)

3. Candle[0] closes above High[1]

4. Trade executed at open of next candle

SELL = mirror logic.

Trade logic must execute only once per candle:

Use static datetime: