FreelanceSections

EA that read tradingview webhook signal

MQL5 Experts Collection of data on the internet

Job finished

Execution time 6 days
Feedback from customer
Good developer

Specification

Goal:
Create an MT5 Expert Advisor that reads trading signals from online file (generated by webhook.php from TradingView alerts) and opens/closes trades accordingly. The strategy can open multiple trades, and each trade must be managed individually using a unique ID.


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✅ 1. FILE & SIGNAL FORMAT

EA will read from a local file:
signal.json (mydomain.com/ signal.json ) or what ever it called 

The developer must define the JSON structure with me and adapt the EA to match it.

Example JSON format (one object per signal or array — developer to propose best method):


{
  "id": "12345",
  "symbol": "XAUUSD",
  "action": "buy", // or "sell" or "close"
  "volume": 0.10
}

The EA must handle:

Multiple signals

Unique IDs per trade

Matching close signals to the correct trade



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✅ 2. TRADE MANAGEMENT (BY UNIQUE ID)

Every trade must be opened with its own ID stored as:

comment or

magic number (developer can choose the best method)


When a “close” signal arrives with the same ID, the EA must ONLY close that single position.

EA must NOT close all open trades when a close signal is sent.



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✅ 3. SYMBOL NAME HANDLING (SUFFIX OPTION)

My broker uses different symbols:

TradingView: XAUUSD

Broker: XAUUSD.r


The EA must: ✅ Have input parameter for symbol suffix (e.g. .r) OR
✅ Try to automatically detect symbol names

Example:

Input: SymbolSuffix = ".r"

If no suffix is needed, leave it blank.


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✅ 4. EA PARAMETERS (MUST BE INCLUDED)

Inputs:

1. SymbolSuffix → string (e.g. ".r" or empty)


2. LotSize → default or read from JSON


3. Slippage


4. MagicNumberStart (if IDs stored as magic numbers)


5. FileName → default: signal.json


6. FileLocation → /MQL5/Files or Common folder


7. CheckIntervalSeconds → how often EA reads the file


8. CloseByIDOnly → true/false (must be true by default)


9. Optional risk-based lot settings or fixed volume




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✅ 5. FILE READING LOGIC

Developer must implement:

Reads file every X seconds

JSON parsing (no manual string hacks)

Handle multiple signals if they exist

After processing a signal:

Option 1: delete it

Option 2: mark it as "processed" (developer should suggest best approach)




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✅ 6. TRADE ACTIONS

For each signal:

"buy" → open a buy trade

"sell" → open a sell trade

"close" → only close the trade with matching ID


If the ID already exists in an open position, ignore duplicate open commands.


---

✅ 7. ERROR HANDLING & LOGGING

EA must:

Print readable errors in Experts tab

Show if JSON not found or invalid

Alert if symbol not available

Skip signals safely without crashing



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✅ 8. TERMINAL & ACCOUNT REQUIREMENTS

Must work on MT5

Must handle hedging accounts (multiple trades same symbol)

Must support 3 or more simultaneous trades

Should survive terminal restarts without losing track of open IDs



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✅ 9. TESTING & DELIVERY

Developer must provide:

Example signal.json

Explanation/setup of file path

Instructions for putting EA in terminal

Source code (.mq5)


Files:

TXT
Ea_mt5_txt.txt
2.7 Kb

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Project information

Budget
30 USD
Deadline
from 1 to 3 day(s)