from 1997 till 8-2011 trades and quotes SYMBOL,DATE,TIME,TYPE,TRADE,VOLUME,BID,BID SIZE,ASK,ASK SIZE ESH1,03/07/2011,13:05:54.577,Quote,,,1307.00,254,, ESH1,03/07/2011,13:05:54.588,Quote,,,1307.00,257,, ESH1,03/07/2011,13:05:54.600,Quote,,,1307.00,260,, ESH1,03/07/2011,13:05:54.606,Trade,1307.00,4,,,, ESH1,03/07/2011,13:05:54.621,Quote,,,,,1307.25,630 ESH1,03/07/2011,13:05:54.623,Trade,1307.00,1,,,, ESH1,03/07/2011,13:05:54.632,Quote,,,,,1307.25,624 ESH1,03/07/2011,13:05:54.675,Quote,,,1307.00,254,, ESH1,03/07/2011,13:05:54.718,Quote,,,1307.00,276,, ESH1,03/07/2011,13:05:54.751,Quote,,,1307.00,277,, ESH1,03/07/2011,13:05:54.772,Quote,,,,,1307.25,621 ESH1,03/07/2011,13:05:54.879,Quote,,,1307.00,278,, Data comes straight from the exchange. Unpacked file size: 32GB I have one file with the continues contract and 4 files with each contract separated (ESH,ESM,ESU,ESZ). $500