One of the largest CFD broker, IFC Markets will charge commissions for some Index CFD tradings form April.
Please note that IFC Markets will charge commissions for Stock Index CFDs from 28th of April in 2016.
Please refer to the below table.
|Country||Exchange Market||CFD Symbol||Commissions per 1 stock||Minimum Commissions|
|NYSE, NASDAQ||#S-…||$0.02||1 USD|
|LSE (IOB)||#R-…||0.1%||1 USD|