Meet AfterEffects, a straightforward trading robot designed for MetaTrader 4, built on the intriguing theorem of memory presence (aftereffects) in random sequences.
Now, don’t let the complexity of the theorem scare you off! The logic behind the trading decisions made by this robot is actually pretty simple. It takes two recent segments of historical data, calculates the price difference between the start and end of each segment, and then compares these two values. Based on which value is higher, the robot predicts future price movements.
The settings of the trading system are user-friendly, featuring just three adjustable parameters:

- sl — This sets the stop loss and trailing stop step size in points. Note that in the image, the parameters are configured for 5-digit quotes. Make sure to reduce all values by a factor of 10 in the Start, Step, and Stop columns.
- p — This defines the size of the historical data segments in bars for your technical analysis.
- random — This parameter assesses the randomness of quotes. If the quotes show a pattern and don’t meet the theorem's conditions, the trading signals will be flipped.
Important Notes:
- The default input parameters set in the robot’s code are not optimized. Always optimize these settings for each financial instrument before you hit the go button on your algo-trading.
- Reoptimization is a must if your trading results start to look less than stellar.
- Avoid running this robot on small timeframes. It’s been proven to drain funds on both demo and real cent accounts. Aim for H1 or higher to give it a fighting chance.
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