new module:ct-chart
Constructs a new BollingerBand.
A study that calculates the Bollinger Bands over the given period with upper and lower bands at n standard deviations.
This study requires the period and stdDeviationMultiplier to be passed in the
derivation options.
This study is aliased by the caplin.chart-bollinger-bands-study alias. To create a new instance of
this study use the module:ct-chart/study/Factory.
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
alias |
String | The Study alias. |
|
derivationParams |
Object | Study derivation options. |
|
listener |
Object | A listener object that implements the |
|
configOverrides |
Object |
<optional> |
Configuration overrides passed to the parent class. This study overrides
the |
Methods
evaluate(data)
Calculates the Bollinger Bands over the given period against the provided standard deviation multiplier.
Once completed it will invoke the module:ct-chart/study/StudyListener#onStudyData method on its listener.
The format of the calculated data is: [[timestamp, upper, middle, lower], ...]
Parameters:
| Name | Type | Description |
|---|---|---|
data |
Array | Chart series data in the Caplin Format. |
- Implements:
- See: