I need to find price history data for the top/most liquid ETFs, 1-minute or better for testing a system model I built.
I would like the top 25 to 50 ETFs (SPY, XLF, QQQQ, FAS, etc.) by volume as sorted by Morningstar. http://news.morningstar.com/etf/Lists/ETFReturns.html
Thanks in advance.