You need all three files: the indicator draws the levels, the helper is the sub-window panel, the service downloads CME data.
MetaTrader 5
Any broker’s MT5 terminal. MT4 is not supported.
Windows
Works wherever MetaTrader 5 for Windows is installed.
Internet for the service
The service fetches data from the server. No trading-account password required.
Install in 5 minutes
1
Download all three files
The indicator OLIMP.ex5, the helper OLIMP_SumOI.ex5 and the service OLIMP_DataService.ex5 — via the buttons above.
2
Open the MT5 data folder
In the terminal: File → Open Data Folder.
3
Place the files in folders
Indicator and helper → MQL5\Indicators, service → MQL5\Services. Then click “Refresh” in the terminal.
4
Allow server access
Service → Options → Expert Advisors → check “Allow WebRequest” and add https://olimpex.pro.
5
Start the service and add the indicators
In the Navigator start the OLIMP service, drag the OLIMP indicator onto the chart, and drag the OLIMP_SumOI helper onto the same chart (it opens in a sub-window).
6
Enter a key — or use it free
With a key you get the freshest data. Without a key, full functionality is available on a real account with a small lag.