Is there an open source EA, developed in MQL5, of a Grid strategy?

  1. Look in the CodeBase or Market). Do you expect us to do your research for you?

  2. Hedging, grid trading, same as Martingale.
              Martingale, Hedging and Grid : MHG - General - MQL5 programming forum 2016.12.20

    Martingale, guaranteed to blow your account eventually. If it's not profitable without, it is definitely not profitable with.
              Martingale vs. Non Martingale (Simplified RoR vs Profit and the Illusions) - MQL5 programming forum 2015.02.11

    Why it won't work:
              Calculate Loss from Lot Pips - MQL5 programming forum 2017.07.11
              THIS Trading Strategy is a LIE... I took 100,000 TRADES with the Martingale Strategy - YouTube