Build a MT4 Ea and an excel spreadsheet

Export the H4 Gold data from MT4. In excel work out the percentage % gain or loss of all the bars relative to the open prices. For example. If gold opened at 1200USD at 4am and rose to 1210USD at 8am. the calculation should be percentage change = (100/1200)*(1210-1200) Then make 2 separate columns in excel for the first column add the previous 2 H4 bars. for example +0.03%+0.07% for the second column add the previous 3 H4 bars together. +0.03%+0.07%+0.02% When both number totals come out positive but are each less than 0.3% BUY If both are greater than 0.3% SELL And vice versa for negative values. Code a spreadsheet to work out all the trades in excel. Then convert it into an EA for Mt4. Needs standard risk management.