DAY 18: Hybrid operation of discretionary and EA — copy of management methods and benefits

In the previous DAY 17, I touched on the importance of currency pair selection with EA, and explained how differences in spreads and volatility can affect the strengths and weaknesses of the logic.
Today,let's look at a hybrid approach that deliberately combines discretionary trading and EAfor flexible and stable trading.
By delegating the parts that can be automated to EA, and adding discretion at key points, the aim is a more flexible and stable trading approach.
For those who feel resistant to complete automation or want to apply their own judgment to sudden market changes, this could be especially appealing.

Why keep discretion

The appeal of automated trading with EA lies in its ability to monitor the market mechanically and to eliminate emotional fluctuation.
However, there are still risks that cannot be fully captured by the EA program alone, such as sudden shifts in the global economy or politics and other major fundamental factors.

• Add discretionary judgment during important indicators releases or in markets with many uncertainties
  When volatility surges due to important economic indicators or remarks by important figures, pausing EA temporarily or reducing lot size is one discretionary approach.

• Emergency measures when holding excessive unrealized losses
  EA is designed to execute stop-losses as configured, but in sudden major market moves there may be unexpected losses. There will be times when reducing the position or performing an emergency exit through discretionary action is necessary.

Benefits of the hybrid approach

1. Flexible response to risk events
   It is possible to pre-program filters to avoid indicators for EA, but covering every sudden news event perfectly may be difficult.
   Maintaining discretion allows immediate actions like “pause” or “reduce positions” during rapid market changes, which provides great reassurance.

2. Leveraging experience and insights about the markets
   Those who have traded manually for many years may intuitively sense when risk is high.
   If you don’t ignore that, and control the EA operation as needed, you can reduce drawdowns or, conversely, greatly benefit from volatility.

3. Psychological peace of mind
   Traders who worry about “leaving everything to full automation” may feel more in control and experience less stress by retaining some discretion.
   For those who tire from purely discretionary trading, EA support can feel reassuring.

Cautions about the hybrid approach

1. Do not overdo the discretion
   Too much interference that disrupts the EA logic can cause a divergence between testing results and actual outcomes. Set clear criteria and rules.

   • “Stop EA ○ minutes before and after major indicators releases”

   • “Stop if drawdown exceeds ○%”
     If you have quantitative rules, you won’t succumb to emotions.

2. Be careful not to defeat the purpose
   If discretion is added too much, you may end up turning off the EA and trading manually. If the strength of EA—objectivity and mechanical execution—is lost, the benefits are halved.

3. Consider operating hours and lot-size adjustments
   If you adjust EA’s lot size or limit trading hours with partial discretion, backtest results may diverge significantly. This is especially true for short-term EA.

Concrete examples of hybrid operation

• EA runs continuously, discretion concentrates around risk events
  In daily market analysis, you might partially pause EA “30 minutes before US nonfarm payrolls,” for example.
  Otherwise, rely on EA during normal times and enjoy the benefit of reduced monitoring.

• Use discretionary trading to supplement market sense, EA as a secondary entry
  The basic approach is discretionary entry, but under certain conditions (range markets or scalping ranges), you may allow EA to take over.
  This is the idea that EA covers times when your own eyes cannot reach the market.

• Validate EA-tested logic, and enhance with discretion
  After assessing win rate and drawdown tendencies through backtesting and forward testing, you can add filters with discretionary judgment (don’t enter under certain conditions).
  If done well, you may achieve higher performance than EA alone.

Today’s summary and next time preview

• Hybrid operation that combines EA automation and discretionary judgment offers a major advantage for risk management during sudden market changes and for leveraging the experience of discretionary traders is substantial.

• On the other hand, if you overdo discretion, you undermine EA’s benefits of mechanical and objective execution, so it’s crucial to predefine how much discretion to allow with numerical rules

• For success with hybrid operation, you need to skillfully merge an understanding of EA logic with experience in discretionary trading

Next time DAY 19 will focus on “EA updates and maintenance—the need for continual fine-tuning,” exploring how EA is not finished once deployed, but requires updates and adjustments to adapt to changing market conditions. Let’s think together about when and what kinds of modifications should be made.

Introducing the EA I sell

If you want to integrate discretionary trading while using EA, please take a look at the EA I sell.
https://www.gogojungle.co.jp/users/147322/products

If you choose a logic designed for hybrid operation and easy customization, you may find unexpected synergy with discretion.

In the next article, we will focus on EA maintenance and improvements to learn tips for ongoing operation.
Please press “Read more” to continue deepening your learning.