FreelanceSecciones

TrendPulse EMA Wick EA

MQL5 Indicadores Fórex

Tarea técnica

EA specification for MT5 developer (coder‑ready spec)

You can copy‑paste this directly into an MQL5 Freelance job.

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1. General

* Platform: MetaTrader 5 (MT5)
* Type: Expert Advisor (EA)
* Markets: Major FX pairs (configurable list via inputs)
* Execution: Market orders only
* Timeframes: EA must work on any timeframe, but I will mainly use it on M15–H1


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2. Indicators & definitions

* EMA 20: Exponential Moving Average, period 20, applied to Close
* EMA 50: Exponential Moving Average, period 50, applied to Close


Trend definition:

* Uptrend:• Close price above both EMA 20 and EMA 50
* EMA 20 > EMA 50

* Downtrend:• Close price below both EMA 20 and EMA 50
* EMA 20 < EMA 50



EMA zone:

* Area between EMA 20 and EMA 50.
* Flexible boundary: Candle body can be inside or touching the zone; slight overlap is allowed, but close must not be clearly outside the zone.


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3. Candle structure calculations

For each candle considered for entry:

* Body size: abs(Close - Open)
* Upper wick: High - max(Open, Close)
* Lower wick: min(Open, Close) - Low


2:1 wick‑to‑body rule:

* Directional wick size must be ≥ 2 × body size.
* If body size = 0 (perfect doji), treat body size as a very small epsilon to avoid division by zero but still allow valid doji.


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4. Entry logic

4.1 Common filters (both long and short)

A candle is a candidate entry candle only if:

1. No gap candle:• Current candle Open is not significantly gapped from previous Close (define gap as input in points; if gap > threshold → skip candle).

2. Candle close location:• Close must be inside or touching the EMA 20–50 zone (flexible boundary as described).

3. 2:1 directional wick ratio:• Directional wick ≥ 2 × body size.

4. Trend‑colored close:• In uptrend → bullish candle (Close > Open).
* In downtrend → bearish candle (Close < Open).

5. Any body size allowed:• Small, medium, large, including doji, as long as 2:1 wick rule and trend‑colored close are satisfied.



4.2 Long entry (buy)

Conditions on the signal candle:

1. Market in uptrend (as defined above).
2. Candle pulls back into EMA zone:• At least part of the candle (wick or body) touches or is inside the EMA 20–50 zone.

3. Directional wick filter:• Use lower wick only.
* Lower wick ≥ 2 × body size.

4. Candle closes bullish (Close > Open).
5. Candle closes inside or touching EMA zone (flexible boundary).
6. Optional engulfing enhancement (see section 5).


If all conditions are met and no open trade on that symbol (configurable: allow 1 trade per symbol), EA opens a market Buy.

4.3 Short entry (sell)

Conditions on the signal candle:

1. Market in downtrend.
2. Candle pulls back into EMA zone.
3. Directional wick filter:• Use upper wick only.
* Upper wick ≥ 2 × body size.

4. Candle closes bearish (Close < Open).
5. Candle closes inside or touching EMA zone.
6. Optional engulfing enhancement (see section 5).


If all conditions are met and no open trade on that symbol (configurable), EA opens a market Sell.

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5. Engulfing logic (enhanced entries)

Engulfing is allowed and acts as an additional confirmation, but not mandatory for every trade (make this an input: UseEngulfingFilter = true/false).

When UseEngulfingFilter = true:

* Full‑candle engulfing only:• Current candle’s High ≥ previous candle’s High AND
* Current candle’s Low ≤ previous candle’s Low.

* Trend‑direction engulfing only:• In uptrend: bullish engulfing (current candle bullish and full‑engulfing upward).
* In downtrend: bearish engulfing (current candle bearish and full‑engulfing downward).



If enabled, engulfing condition must be satisfied in addition to all other entry rules.

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6. Risk management & position sizing

* Risk per trade: input as percentage of account balance (default 0.25%).
* Stop loss placement:• For Buy: SL a few points below the low of the signal candle (input: SLBufferPoints).
* For Sell: SL a few points above the high of the signal candle.

* Lot size is calculated so that the distance from entry to SL equals the specified risk % of balance.


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7. Trade management

* Take profit:• Option 1: No fixed TP, use trailing stop only (default).
* Option 2: Optional RR‑based TP (input: UseFixedRR, RR_Target).

* Dynamic trailing stop:• Input: choose mode (e.g., ATR‑based or swing‑based).
* For simplicity, please implement:• ATR‑based trailing:• Input: ATRPeriod, ATRMultiplier.
* For Buy: trail SL to Bid - ATR * Multiplier when this is higher than current SL.
* For Sell: trail SL to Ask + ATR * Multiplier when this is lower than current SL.


* Trailing should only move in the direction of profit (never widen SL).

* Full‑position hold:• No partial closes.
* Trade exits only by SL, trailing stop, or optional TP.



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8. Session filter

* Inputs:• UseSessionFilter = true/false
* Session1Start, Session1End (e.g., London)
* Session2Start, Session2End (e.g., New York)

* EA opens new trades only during allowed sessions.
* Existing trades can be managed (trailing, SL hit, TP hit) outside sessions.


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9. News filter (basic)

If possible:

* Input: UseNewsFilter = true/false.
* If you can integrate MT5 news or a simple external file/indicator:• Do not open new trades within X minutes before high‑impact news (input: MinutesBeforeNews).
* Optionally: close trades Y minutes before news (input: CloseBeforeNews = true/false, MinutesCloseBeforeNews).



If full news integration is complex, please propose a simple, robust solution or leave hooks for a news indicator.

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10. Other controls

* Max trades per symbol: input (default 1).
* Max total open trades: input.
* Magic number: input.
* Slippage: input.
* Spread filter: input max spread in points; if current spread > max, skip new entries.
* Daily loss limit (optional):• Input: UseDailyLossLimit = true/false, MaxDailyLossPercent.
* If today’s closed P/L + floating P/L ≤ −MaxDailyLossPercent of balance, EA stops opening new trades for the day.



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11. Coding quality

* Clean, well‑commented MQL5 code.
* All key parameters as extern/inputs.
* EA must handle errors (requotes, trade context busy, etc.).
* Must work on any broker (4/5 digits, different symbols suffixes).


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If anything is unclear, the coder can ask for clarification, but this is the full logic I want implemented.

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