Specification
File Name: ReverseOrderEA_Description.txt
Purpose: Describes the functionality of the MQL5 Expert Advisor ReverseOrderEA.mq5
---
EA Name:
ReverseOrderEA.mq5
Automated MQL5 Expert Advisor that places reverse pending orders based on existing open trades.
---
Functionality Overview:
This EA monitors all open positions on the current chart symbol and automatically places a reverse pending order (Buy Stop or Sell Stop) based on the trade’s stop loss (SL). The logic ensures:
- Only one reverse pending order per open position.
- Reverse orders are deleted and re-placed if the SL, lot size, or entry changes.
- Reverse orders are canceled if the original position is closed (manually or otherwise).
- Reverse lot size is calculated using a multiplier (default 1.0).
---
Reverse Order Logic:
- BUY position:
- Reverse = Sell Stop at the SL.
- SL = original entry.
- TP = SL − (2 × risk).
- SELL position:
- Reverse = Buy Stop at the SL.
- SL = original entry.
- TP = SL + (2 × risk).
---
Key Components:
✅ CheckAndPlaceReversePendingOrder()
- Loops through open positions.
- Calculates reverse price, SL, TP.
- Ensures only one reverse order exists per position.
- Calls DeleteReverseIfChanged() if parameters differ.
- Places new pending orders with appropriate comment format.
🗑️ DeleteReverseIfChanged()
- Deletes existing reverse pending orders if:
- SL, lot size, or entry price has changed.
🚫 CancelUnusedReverseOrders()
- Deletes reverse orders if the original position is closed or no longer exists.
---
Comment Format:
All reverse orders include a comment:
Reverse_<ticketNumber>_<SL>
This enables matching each pending order to its original trade and verifying its parameters.
---
Inputs:
- lotMultiplier — Multiplier for reverse lot size (e.g., 2 = double lot size).
- magicNumber — Unique magic number to track reverse orders only.
- reversePrefix — Text prefix in order comment (default "Reverse").
---
OnTick Logic:
1. CheckAndPlaceReversePendingOrder()
2. CancelUnusedReverseOrders()
Both are called every tick to keep reverse order logic accurate and synchronized.
---
Notes:
- Works only with positions on the current chart symbol.
- Requires SL on original position to function.
- Does not initiate trades itself — only creates reversals for existing ones.
want to add lot size and tp as step
// Recovery logic
double lotSteps[] = {0.01, 0.02, 0.02, 0.04, 0.04, 0.08, 0.08, 0.04, 0.04, 0.08, 0.08};
double tpMultipliers[] = {2.0, 2.0, 2.5, 2.5, 3.0, 3.0, 4.0, 4.0, 4.0, 4.0, 4.0};
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