Martingale is lots of fun.. it really is lots of fun, BUT. Its for short term use with very small lot sizes and a large account. Dont use them long term as they will blow the account. I use them and have used all kinds and gridders... Lots of fun and its addictive fun, but they will blow a account or make it so slow on recovery that your paying fees every night on the money plus the spread.
Use it for short term fun ( gambling) but never long term.
My current live chart is a martingale/ grid account trading both sizes with my own home built EA. Its for fun.
Click on my Name to see My Live Charts and Bio.