Optimization of Expert Advisor

Hello Developers

I have 5 Expert with different strategies.

I don't have proper knowledge for optimization and I current use these ea only on EURUSD.

I need help in optimization with different currencies

only experiance developers contact me.

All EA in MT5

1. Pivot Point EA using Moving Average for trend detection

2. Heiken Ashi EA

3. Price momentum oscillator EA

4. CCI (double smoothed Wilders EMA) EA

5. True Strength Index EA