Technical Analysis
			MV Volume Indicators Index Volume VMA VMA Displaced SBV (S-B) Osc. Selling & Buying Volume MVO   AD Momentum AD Momentum VMA AD Mom Volume Osc AD Mom Volume Ratio   AD Indicators AD Volume Adv - Decl Volume Osc. Adv / Decl Volume Ratio AD Issues Adv - Decl Issues Osc. Adv / Decl Issues Ratio Adv / Decl PO New Highs/Lows TRIN McClellan Oscillator Price Indicators Aroon ATR Moving Average MA Displaced MACD MACD Histogram PPO RSI Stochastics Stochastics RSI Rate of Change (ROC) Up/Down Price Volume Indicators Accumulation/Distribution OBV PVO Volume ROC Volume Oscillator VAO Up/Down Volume Other Indicators Volatility Index

 
Technical Analysis, Studies, Indicators:
Up/Down Volume

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As prices move up or down, we can classify the associated volume for each bar (period) as volume to the up-side (called "up volume") or as volume to the downside (called "down volume"). Below you can see how the settings for up/down volume change the information level on our volume charts:

up/down volume - off

up/down volume - on

When you see a red volume bar, it shows that the index's closing price for that particular bar (period) was LOWER than for the previous bar. Conversely, when a volume bar is colored green, it means that the closing price for that bar (period) was HIGHER than for the previous bar.

In our method of volume analysis, we pay close attention to whether volume surges occurred during price (index) declines or during price (index) increases. Within a given volume surge, we may also determine to what extent volume bars occurred on up or on down volume. Surges in the volume moving average (VMA) act as signals for potential trend changes. By using the up/down volume charting feature, you can easily see what part of a VMA surge occurred to the upside and what part to the downside. Basically, the more red volume bars you see, and the greater their magnitude (i.e., the higher they are), the greater the likelihood the market will reverse direction and start to push higher. This opposite is true for green volume bars.

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