i think range trade based on support and resistance at lower and upper end of range, is widely known and working strategy, it being easier we can earnn few timess before range is breaken and even if range breaks we haves SL ready to save us from largge losees . and There is no best strategy to use. One strategy may be good for one person, whereas another may be good for someone else. For my part I have been having a tough time with RSI trading because recently it has been losing a lot!