EXPERIMENTAL:
WARNING: Martingale is subject to HUGE drawdown spikes, use at your own risk!
updated function to also double(aply multiplier) on even trades, example with a MA's crossover.
EXPERIMENTAL:
WARNING:Martingale is susceptible to huge drawdown spikes, use at your own risk.
simple functions for martingale wins and losses, multiplier can be adjusted manually to increase/decrease performance/drawdown.