Index  Micro E-mini contract  E-mini contract size 
S&P 500  Micro E-mini S&P 500 futures (MES) $50 x S&P 500 Index 
Nasdaq-100  Micro E-mini Nasdaq-100 futures (MNQ)  $20 x Nasdaq-100 Index
Dow Jones  Micro E-mini Dow futures (MYM)  $5 x DJIA Index 
Russell 2000  Micro E-mini Russell 2000 futures (M2K)  $50 x Russell 2000 Index 
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