If you trade Mini Futures contracts, you only need as much as $500 for a contract to trade Mini contracts like E-Mini S&P500 (ES), E-Mini NASDAQ (NQ), E-Mini Russel 2000 (RTY) or E-Mini Dow Jones Indes (YM). For trading Mini-DAX (FDXM) you need €1000 of margin. Micro contracts like Micro E-Mini S&P500 (MES), Micro E-Mini NASDAQ (MNQ), Micro E-Mini Russel 2000 (RTY), or Micro E-Mini Dow Jones Index (MYM) can be traded with as low as a €50 margin for each contract.