> For the complete documentation index, see [llms.txt](https://docs.bigbeluga.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bigbeluga.com/ultimate-suite/ultimate-macd-suite/macd-engine.md).

# MACD Engine

The MACD Engine is the core computational logic of the suite, normalizing the MACD values and signal line for all other components (signals, divergences, histogram, etc.). 

It visualizes the MACD oscillator using a normalized range from -100 to +100 and enables gradient-based color mapping to enhance trend clarity.

### **MACD Line:** Rendered with dynamic coloring:

*HeatMap mode:* Color intensity grows as values reach extreme ranges (-100/+100)

<div align="left" data-with-frame="true"><figure><img src="/files/AoQntKFahU5lGGAcb1nw" alt=""><figcaption></figcaption></figure></div>

<figure><img src="/files/w2ZOm2U8M7RwfZ89vqnf" alt=""><figcaption></figcaption></figure>

*Rising/Falling mode:* Color changes based on histogram slope.

<div align="left" data-with-frame="true"><figure><img src="/files/EoptYBizdgoszxIxuCff" alt=""><figcaption></figcaption></figure></div>

<figure><img src="/files/vEOFSFt9Qe2DnZlrr6ZB" alt=""><figcaption></figcaption></figure>

### **Overbought/Oversold Zones**

OB zone: above +100

OS zone: below -100

<figure><img src="/files/x3JnAeOM8B7YDnS0c6G5" alt=""><figcaption></figcaption></figure>

### **Settings**

<div align="left" data-with-frame="true"><figure><img src="/files/vWpLFPfkFoF9wyCnIZVN" alt=""><figcaption></figcaption></figure></div>

{% hint style="info" %}

### **Settings**

1. **Source** – Default: `close`.\
   Defines the price type to calculate MACD on.
2. **Fast Length** – Default: `10`.\
   Short-term MA period.
3. **Slow Length** – Default: `20`.\
   Long-term MA period.
4. **Signal Smoothing** – Default: `9`.\
   Period used to smooth the signal line.
5. **Oscillator MA Type** – `EMA` or `SMA`.\
   Defines moving average type for MACD itself.
6. **Signal Line MA Type** – `EMA` or `SMA`.\
   Defines moving average type for the signal line.
   {% endhint %}