A well-known "20/200 pips" Expert Advisor is now available in MQL5. The code is well commented. The trading rules are: At some moment we look at the price difference for a certain time. If the price difference is negative and greate than some specified bia...
from https://tradingrobots.net/20-200-pips-simple-profitable-expert-advisor-expert-advisor-for-metatrader-5/