> For the complete documentation index, see [llms.txt](https://docs.algopro.us/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.algopro.us/tradingview-indicators/v4-oscillator.md).

# V4 Oscillator

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### What AlgoPro V4 Oscillator Does

AlgoPro V4 Oscillator is a WaveTrend-style oscillator with extreme zones, MFI pressure confirmation, gradient fills, WT lines, signal glow, and buy/sell alerts.

### Main Inputs

#### WaveTrend Core

* Source
* Channel Length
* Average Length
* Signal Length

#### Extreme Zones

* Top Bar Start
* Top Extreme Level
* Bottom Bar Start
* Bottom Extreme Level

#### Signals

* Show Signals
* Require Extreme Zones
* Require MFI Confirmation

#### MFI Pressure

* Show MFI Pressure Line
* MFI Length
* MFI Strength

#### Visual Style

* Show WT Lines
* Fill Between WT Lines
* Fill WT From Midline Using MFI
* Midline Fill Brightness

### Signal Behavior

Signals can be shown normally, or the user can make them stricter by requiring:

* Extreme zone location
* MFI confirmation

This helps reduce weaker oscillator signals.

### Alerts

V4 Oscillator includes alerts for:

* AlgoPro Smooth Gradient Oscillator Buy Signal
* AlgoPro Smooth Gradient Oscillator Sell Signal
* WaveTrend Bullish Cross
* WaveTrend Bearish Cross

### Best Use

Use V4 Oscillator to confirm momentum shifts, exhaustion, and WaveTrend crosses before entering trades from another tool.