Accumulation/Distribution
A volume-weighted calculation that takes into account the range at which an issue is traded. Interval
volume is either added (closes up) or subtracted (closes down) from the total volume.
Average True Range
An average of a stock's price range over n-intervals.
Bollinger Bands
Consists of a center line and a set of channel lines. The center line is an n-interval moving average. The
channel lines are placed at n-standard deviations above and below the center line.
Envelope Channel
Consists of a center line and a set of channel lines. The center is an n-interval exponential moving
average. The channel lines are placed on both sides of the center line at a percentage distance away.
Exponential Moving Average
Similar to the weighted moving average, but all data is taken into account in the average.
Linear Regression
Consists of a center line and a set of channel lines. The center line, the linear regression, is generated by
a least squares calculation. The channels lines are placed on both sides of the center line at a percentage
distance away.
Momentum
An indicator that is calculated by taking a price from n-intervals ago and subtracting it from the current
interval's price.
Money Flow
A Volume-weighted version of the relative strength index, but instead of using up closes vs. down closes,
Money Flow compares the current interval's average price to the previous interval's average price and then
weighs the average price by volume to calculate money flow. The ratio of the summed positive and
negative money flows are then normalized to be on a scale of 0-100.
Moving Average Convergence Divergence (MACD)
Consists of two lines. The first line, a MACD line, is the difference between the long-term moving average
and the short-term moving average. The second line, a signal line, is a short term moving average of the
MACD line.
On Balance Volume
On balance volume is an accumulation of volume where: the current interval's volume is added to the total
if the stock closes up, and today's volume is subtracted from the total if the stock closes down.
Price Oscillator
An indicator that displays the difference between a slow and fast period subtracting it from the current
interval's price.
Rate of Change
An indicator that calculates the market's change from the current interval's price vs. price n-intervals ago.
The result is a percentage.
Relative Strength Index
A ratio of close-up intervals vs. close-down intervals over n-intervals.
Simple Moving Average
Average of last n-interval's close prices.
Stochastic - %K
Determines where the most recent closing price is in relation to the price range for an n-interval period.
Two lines are plotted, a "fast" line (%K) and a "slow" line (%D). %D is a 3-period moving average of %K.
Weighted Moving Average
Similar to a simple moving average, but gives more weight to current data in the n-interval average
calculation.
William's %R
%R is an index that determines where the most recent closing price is in relation to the price range for an
n-interval period.
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