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Saturday, April 27, 2024
Knowledge BaseGlossary

Glossary

Algorithmic Trading can be a complex subject. Keep your knowledge current with this glossary of key concepts, terminology, and technical indicators.

Vertical Line Charting

Vertical Line Charting

A technique used by technical traders and market technicians to track the price trend of a security, in order to forecast future price moves. In vertical line charting, a security's daily price action is summarized by a vertical bar. The security's daily high and low prices are denoted by the top and bottom of the bar, respectively, while its opening and closing prices are indicated by very short horizontal bars to the left and right of the vertical bar, respectively.

Volatility Ratio

Volatility Ratio

A technical indicator used to identify price ranges and breakouts. The volatility ratio uses a true price range to determine a stock's true trading range and is able to identify situations where the price has moved out of this true range.

Volume Price Trend Indicator - VPT

Volume Price Trend Indicator - VPT

A technical indicator consisting of a cumulative volume line that adds or subtracts a multiple of the percentage change in share price trend and current volume, depending upon their upward or downward movements.

Volume Weighted Average Price - VWAP

Volume Weighted Average Price - VWAP

Volume Weighted Average Price - VWAP

A trading benchmark used especially in pension plans. VWAP is calculated by adding up the dollars traded for every transaction (price multiplied by number of shares traded) and then dividing by the total shares traded for the day.

Vortex Indicator - VI

Vortex Indicator - VI

An oscillator composed of two lines--an uptrend line (VI+) and a downtrend line (VI-). These lines are typically colored red and green respectively. Vortex indicator is used to spot trend reversals and confirm current trends. An uptrend or buy signal occurs when VI+ crosses above VI-. A downtrend or sell signal occurs when VI- crosses above VI+.

VWAP Cross

VWAP Cross

A trading indicator that occurs when the current price crosses over the volume-weighted average price (VWAP). Since the VWAP provides a measure of the average price within a time period, traders often look to buy a security at a VWAP cross price lower than the VWAP. Conversely, when the current price crosses above the VWAP, it may be an indicator to sell.

Wave

Wave

A pattern of behavior marked by noticeable increases and decreases. Waves can be identified in stock price movements and in consumer behavior. Investors trying to profit from a market trend could be described as "riding a wave".

Wedge

Wedge

In technical analysis, a security price pattern where trend lines drawn above and below a price chart converge into an arrow shape. Wedge shaped patterns are thought by technical analysts to be useful in analyzing a short to intermediate term reversal of what the analyst feels to be the major price trend.

Weighted Alpha

Weighted Alpha

A weighted measure of how much a stock has risen or fallen over a certain period, usually a year. Generally, more emphasis is placed on recent activity by assigning higher weights to it than those assigned to earlier movements. This helps to give a return figure that has a greater focus on the most current period and is a more relevant measure for short-term analysis. This technique is popular with technical analysts.

White Candlestick

White Candlestick

White Candlestick

A point on a candle stick chart representing a day in which the underlying price has moved up. Candlesticks will have a body and usually two wicks on each end. The bottom of the white body represents the opening price and the top of the body represents the closing price. The top and bottom tips of each wick are the day's highest and lowest price respectively.

Wide-Ranging Days

Wide-Ranging Days

A description of the price range of a stock on a particularly volatile day of trading. Wide-ranging days occur when the high and low prices of a stock are much farther apart than they were the day before. Some technical analysts identify these days by using the volatility ratio.

Wilder's DMI (ADX)

Wilder's DMI (ADX)

Three lines compose the Directional Movement Indicators (DMI): ADX, DI+ and DI-. The Average Directional Index (ADX) line shows the strength of the trend. The higher the ADX value, the stronger the trend. The Plus Direction Indicator (DI+) and Minus Direction Indicator (DI-) show the current price direction. When the DI+ is above DI-, current price momentum is up. When the DI- is above DI+, current price momentum is down.
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