Oanda's the only fx broker i know of that has subminute charts Oanda's spread is usually fixed at .9 pip, starting at London open - midnight pst ? and remains there until noon ? pst rising to 1.2 - 1.5 pips, but it can and does widen depending on market activity, news releases it's well known they increase the spread to the maximum during major releases and fast markets, 10 pips for the eurusd today at 5:25 am pst spread was 1.8 , 2.5 at 5:28 , 10 at 8:30 , 2.5 at 5:31 , 1.5 at 5:36 currently at 6:21 it's .9 the Alpari NY MT4 demo kept up without freezing during the release, don't know what the spread was, Alpari go to 5 decimal places - 1.43849 fx can be traded with the NinjaTrader program using GAIN Capital/FOREX feed but don't know if that feed provides for subminute or tick etc charts