QuanTAlib/lib/volume/_index.md

Volume

"It takes volume to make prices move." — Charles Dow

Volume is market fuel. Price tells what happened; volume tells how hard the market worked to make it happen. In a world of algorithmic trading and dark pools, volume analysis reveals where money actually flows.

Indicator	Full Name	Description
ADL	Accumulation/Distribution Line	Correlates price location within range to volume. Grandfather of volume flow analysis.
ADOSC	Chaikin A/D Oscillator	Momentum indicator for AD Line. Predicts reversals by measuring acceleration of money flow.
AOBV](lib/volume/aobv/Aobv.md)	Archer On-Balance Volume	Modified OBV incorporating intra-period price movement.
CMF	Chaikin Money Flow	Measures money flow volume over set period (typically 20-21 days).
EFI	Elder's Force Index	Combines price movement, direction, volume to measure buying/selling power.
EOM	Ease of Movement	Relates price change to volume. Highlights periods of effortless price movement.
III	Intraday Intensity Index	Measures buying/selling pressure within day's range using close position.
KVO	Klinger Volume Oscillator	Compares short-term and long-term volume trends to identify potential reversals.
MFI	Money Flow Index	Volume-weighted RSI. Measures buying/selling pressure using price and volume.
NVI	Negative Volume Index	Tracks price changes on lower volume days. Assumes smart money acts on quiet days.
OBV	On Balance Volume	Fundamental volume indicator. Cumulative volume based on price direction.
PVD	Price Volume Divergence	Systematic divergence detection between price and volume movements.
PVI	Positive Volume Index	Tracks price changes on higher volume days. Assumes crowd behavior.
PVO	Percentage Volume Oscillator	Compares short-term and long-term volume moving averages as percentages.
PVR	Price Volume Rank	Ranks price performance relative to volume activity.
PVT	Price Volume Trend	Cumulative volume adjusted by relative price changes. Similar to OBV.
TVI	Trade Volume Index	Measures intra-day buying/selling pressure based on tick data.
TWAP	Time Weighted Average Price	Average price weighted equally by time. Used as execution benchmark.
VA	Volume Accumulation	Cumulative volume adjusted by close position relative to range midpoint.
VF	Volume Force	Measures force of volume behind price movements.
VO	Volume Oscillator	Difference between short and long volume moving averages. Shows volume momentum.
VROC	Volume Rate of Change	Measures speed at which volume is changing over time.
VWAD	Volume Weighted A/D	Similar to ADL but weights accumulation/distribution by volume.
VWAP	Volume Weighted Average Price	Average price weighted by volume. Common execution benchmark.
VWMA	Volume Weighted MA	Moving average where each price point is weighted by its volume.
WAD	Williams A/D	Measures cumulative buying/selling pressure by comparing closes to opens/highs/lows.