If you open an account on tdameritrade (mybe other too), you could free download the data your want. I am not sure how long back, but I did download some stocks (1 min) more than two years.
Could you tell me how to download the data? Through what software?
Thanks a lot!
If you open an account on tdameritrade (mybe other too), you could free download the data your want. I am not sure how long back, but I did download some stocks (1 min) more than two years.
德州牛仔 发表于 2009-6-28 15:16
Try iqfeed.net free trial. It provides "30 calendar days of tick (includes pre-post market) and several years of 1-Minute history (Forex back to Feb 2005, Eminis back to Sept. 2005, Stock/Futures/Indexes back to May 2007) retrieval for charting and time & sales data "