How did you arrive at three weeks? I took a look at JY, 6E, SF, AD and it seems to me that you would get chewed up and spit out.
Or one could download data for free back to 2002 with Oanda's api. And yes, one could buy as well if you want the convenience. I will sell 528 GB with forex-data if you give me a good price ;-)
Or, if you want good clean guaranteed data that you can rely upon pay a very modest amount and buy it directly from CME.
FJ, give this a backtest and let us know what happens. https://elitetrader.com/et/threads/what-do-you-think-method-of-taking-2-ticks-per-trade.288594/ "...My target is 2 ticks, and my stop loss is 4 ticks. I make 3 successful trades a day trading 2 contracts, and then I am done for the day. I suppose most people would say my target should be a least 4 ticks. But this method is working for me, and I am able to support myself financially. I am curious, nonetheless."