History Newly Enhanced!
eSignal is constantly adding historical data to the individual exchanges / services it offers through its datafeed; the number of years listed for any exchange grouping is an average of the individual exchanges within that category.

 Category  Tick  Intraday / Interval  Extended
Intraday *
 Daily 
 North American Stocks  10 days  120 days  12+ years  19+ years
 North American Futures  10 days  120 days  2+ years  Varies by contract, as many as 40
  years
 North American Options  --  --  --  Up to 1 year
 North American Indices  10 days  120 days  12+ years  19+ years
 Mutual Funds / Money Markets  --  --  --  15+ years
 European Equities and Indices  10 days  60 days  --  5 - 10+ years
 Asia Pacific Equities and Indices  10 days  60 days  2+ years  2 - 5+ years
 European / Asia Pacific Futures  10 days  120 days  2+ years  Varies by contract, as many as 9
  years
 Forex (bid / ask data only)  10 days  120 days  2+ years  25+ years on major issues
 GovPx Treasuries  10 days  120 days  2+ years  3+ years

* $10 fee associated with this level of data