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Intraday Momentum Index (IMI)
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The Intraday Momentum Index (IMI) indicator is a version of Relative Strength Index (RSI) that considers the relationship between a security's Open and Close prices instead of difference between the close and previous close, which is used in RSI. The IMI's line can help identify when a security is overbought (the line is above 70) or oversold (the line is below 30).
IMI = 100 * (UpDaysSum / (UpDaysSum + DownDaysSum))
where:
UpDaysSum &nash; the sum of gains on up days for the period (CP - OP)
DownDaysSum – the sum of losses on down days for the period (OP - CP)
OP – open price
CP – close price
Intraday Momentum Index
INPUTS
| Input | Description |
|---|---|
| Length | The number of bars used to calculate IMI |
| Overbought | The price value to fix the overbought level at |
| Oversold | The price value to fix the oversold level at |
PLOTS
The plot renders the data you are working with on the chart. You can show/hide a plot by clicking the corresponding item in the settings. Every plot has a set of basic settings that you can change: color, weight, and type.
| Plot | Description |
|---|---|
| IMI | The Intraday Momentum Index plot |
| OverBought | The overbought level |
| OverSold | The oversold level |
| Color |
|---|
Click the color rectangle under the plot's name to open the palette. Use the slider at the bottom to set the opacity of the color. Palette
The custom-created colors are added to your palette. To remove a custom color, drag it out of the palette. |
| Weight |
| Change the value (in px) to adjust the thickness of the plot. |
| Type |
The following plot types are available:
|
OVERLAYING
Check Overlaying to display the indicator on the chart. Otherwise, the indicator is shown in a study pane down below.

