1. Installation and activation

1. Open MetaTrader → File → Open Data Folder.
2. Copy the source/compiled EA into MQL5/Experts; refresh Navigator or restart.
3. Attach the EA to the index chart you want to trade and enable algorithmic trading.
4. Under Tools → Options → Expert Advisors allow WebRequest for https://market-trader.de.
5. Your license is checked against the registered MetaTrader account number and account type. Product slug: monatsultimo. Set AcceptTerms=true when using a REAL account.

2. Trading calendar

An enabled month schedules a BUY on or after the 26th (at the next configured trading day). The exit falls on the 5th of the following month or the preceding configured trading day. July–September are disabled for new entries by default; a June position may therefore be closed in July.

The built-in optional holiday rule covers standard NYSE full-day holidays, not all broker or exchange interruptions. For non-US indices disable EnableUSHolidays and add appropriate dates under ExtraHolidays. Executions depend on available ticks/trading connectivity; sessions that differ from the calendar can cause a missed entry or delayed exit.

3. Inputs

4. Performance display

The chart panel groups realized net results by opening month, Jan–Dec and Total. Results cover only the current symbol and magic number within available account history. MT4 uses closed orders including swap and commission. MT5 adds profits, swaps, commissions and fees from associated deals. Figures use the account currency.

5. Restart and license handling

The EA checks existing trades and history to avoid repeat entries after terminal restarts. Invalid licenses block new entries, while the planned exit management continues for existing EA positions. The terminal/VPS must remain connected for automatic exits; license is refreshed about every six hours.