Optimized set files are groups of customized indicator and template settings that traders can load into forex trading platforms like MetaTrader 4. They aim to maximize analysis capability for more accurate signals.

Experienced traders and programmers create optimized set files after extensive backtesting across different market conditions and timeframes. They contain finely tuned parameters for indicators like moving averages, Bollinger Bands, RSI, MACD, stochastic, Fibonacci tools and more.

The sets may also include chart templates, object tools, and color-coded visuals to improve readability. Some sets focus on specific strategies like breakout trading or trend following. Others offer an all-in-one analysis toolkit.

The benefit of optimized set files is they save traders time from manually inputting parameters and optimizing indicators themselves. Traders can quickly load expert settings into charts to augment analysis. However, understanding the indicators used is still essential.

Overall, optimized set files offer traders a time-efficient way to utilize expert-level custom indicators and templates to analyze price action. When aligned to their trading style, traders can enhance strategy performance and spot profitable opportunities.