entry and exit based on price moves. This is very similar to the gridding concept that I posted recently

However, when the margin is gone the risk is gone. You choose the price range you expect and scale your entry and exit points within it. If you must, you leave some positions in place while you recapitalize to attack another range. In fact, perhaps you simply allocate a set number of dollars per thousand pip trading range. If the price falls into a entry and exit based on price moves. This is very similar to the gridding concept that I posted recently lower range you simple ante up and play within a lower range -- while your higher range positions provide interest income.However, keep in mind, it's possible that currency pairs adjust interest rate differential. This could erode or reverse the suitability of holding a pair over a long period of time.
While I don't have any pictures to show, yet, I am working on an EA that trades AUDJPY based on the market price relative to the average price of positions held.The first few passes at this type of system were pitiful. My testing starts from September of last year to now while only opening long positions. As you can imagine this is a difficult period of time for a long only system!However, late last night I was able to complete a test that showed profits.The strategy behind this EA is basically as follows: