QuanTAlib/lib/momentum/_index.md

# Momentum

Momentum indicators measure the speed or strength of price movements. This includes classic oscillators and rate-of-change indicators.

| Indicator | Full Name | Description |
| :--- | :--- | :--- |
| AC | Acceleration Oscillator | |
| [ADX](adx/Adx.md) | Average Directional Index | Quantifies trend intensity by smoothing the expansion of daily ranges, independent of direction. |
| [ADXR](adxr/Adxr.md) | Average Directional Movement Rating | Quantifies the change in momentum of the ADX by averaging current and historical values. |
| [AO](ao/Ao.md) | Awesome Oscillator | Measures immediate velocity vs. broader trend using the difference between fast and slow median-price SMAs. |
| [APO](apo/Apo.md) | Absolute Price Oscillator | Measures the absolute difference between two moving averages (Fast EMA - Slow EMA). |
| [AROON](aroon/Aroon.md) | Aroon | Gauges trend freshness by measuring the time elapsed since the last high and low. |
| [AROONOSC](aroonosc/AroonOsc.md) | Aroon Oscillator | Measures the difference between Aroon Up and Aroon Down to gauge trend strength and direction. |
| BBB | Bollinger %B | |
| BBS | Bollinger Band Squeeze | |
| [BOP](bop/Bop.md) | Balance of Power | Measures the strength of buyers vs sellers by comparing the close price to the open price. |
| CCI | Commodity Channel Index | |
| [CFB](cfb/Cfb.md) | Jurik Composite Fractal Behavior | Measures trend duration and quality by analyzing fractal efficiency across multiple time scales. |
| CHOP | Choppiness Index | |
| CMO | Chande Momentum Oscillator | |
| [DMX](dmx/Dmx.md) | Jurik Directional Movement Index | A low-lag, bipolar replacement for DMI/ADX that combines trend direction and strength. |
| DPO | Detrended Price Oscillator | |
| DX | Directional Movement Index | |
| FISHER | Ehlers Fisher Transform | |
| IMI | Intraday Momentum Index | |
| INERTIA | Inertia | |
| KDJ | KDJ Indicator | |
| MACD | Moving Average Convergence Divergence | |
| MOM | Momentum | |
| PGO | Pretty Good Oscillator | |
| PMO | Price Momentum Oscillator | |
| PPO | Percentage Price Oscillator | |
| PRS | Price Relative Strength | |
| QSTICK | Qstick Indicator | |
| ROC | Rate of Change | |
| ROCP | Rate of Change Percentage | |
| ROCR | Rate of Change Ratio | |
| RSI | Relative Strength Index | |
| [RSX](rsx/Rsx.md) | Jurik Relative Strength X | A "noise-free" version of RSI that eliminates jaggedness without adding lag. |
| SMI | Stochastic Momentum Index | |
| STOCH | Stochastic Oscillator | |
| STOCHF | Stochastic Fast | |
| STOCHRSI | Stochastic RSI | |
| TRIX | Triple Exponential Average | |
| TSI | True Strength Index | |
| ULTOSC | Ultimate Oscillator | |
| [VEL](vel/Vel.md) | Jurik Velocity | Measures market "acceleration" by comparing parabolic vs. linear weighting schemes. |
| VORTEX | Vortex Indicator | |
| WILLR | Williams %R | |