Class BollingerBandsWidth

布林带宽度 (BBW) 类型：波动性指标

布林带宽度（BBW）指标由 John A. Bollinger 开发，将布林带的信息合并为一个明确的数值。它通过表示上轨与下轨之间的差值，来定义基础布林带的狭窄程度。

See

https://www.tradingview.com/support/solutions/43000501972-bollinger-bands-width-bbw/

Hierarchy (View Summary)

IndicatorSeries
- BollingerBandsWidth

Index

Constructors

Properties

Accessors

Methods

add getRequiredInputs getResult getResultOrThrow replace update updates

Constructors

constructor

new BollingerBandsWidth(bollingerBands: BollingerBands): BollingerBandsWidth
Parameters
- bollingerBands: BollingerBands
Returns BollingerBandsWidth
Overrides IndicatorSeries.constructor
- Defined in volatility/BBW/BollingerBandsWidth.ts:14

Properties

`Readonly`bollingerBands

bollingerBands: BollingerBands

Accessors

isStable

get isStable(): boolean
Returns boolean
Inherited from IndicatorSeries.isStable
- Defined in types/Indicator.ts:37

Methods

add

add(input: number): null | number
Parameters
- input: number
Returns null | number
Inherited from IndicatorSeries.add
- Defined in types/Indicator.ts:41

getRequiredInputs

getRequiredInputs(): number
Returns number
Overrides IndicatorSeries.getRequiredInputs
- Defined in volatility/BBW/BollingerBandsWidth.ts:18

getResult

getResult(): null | number
Returns null | number
Inherited from IndicatorSeries.getResult
- Defined in types/Indicator.ts:21

getResultOrThrow

getResultOrThrow(): number
Returns number
Inherited from IndicatorSeries.getResultOrThrow
- Defined in types/Indicator.ts:29

replace

replace(input: number): null | number
Parameters
- input: number
Returns null | number
Inherited from IndicatorSeries.replace
- Defined in types/Indicator.ts:45

update

update(price: number, replace: boolean): null | number
Parameters
- price: number
- replace: boolean
Returns null | number
Overrides IndicatorSeries.update
- Defined in volatility/BBW/BollingerBandsWidth.ts:22

updates

updates(inputs: readonly number[], replace?: boolean): (null | number)[]
Parameters
- inputs: readonly number[]
- replace: boolean = false
Returns (null | number)[]
Inherited from IndicatorSeries.updates
- Defined in types/Indicator.ts:51