Class EMA

指数移动平均线（EMA）类型：趋势

与简单移动平均线（SMA）相比，EMA 更加重视近期价格以减少滞后。由于它对价格变化反应迅速，当价格上涨或下跌时，EMA 上升和下降的速度都比 SMA 快。

See

https://www.investopedia.com/terms/e/ema.asp

Hierarchy

MovingAverage
- EMA

Index

Constructors

Properties

Accessors

Methods

add getRequiredInputs getResult getResultOrThrow replace update updates

Constructors

constructor

new EMA(interval: number): EMA
Parameters
- interval: number
Returns EMA
Overrides MovingAverage.constructor
- Defined in trend/EMA/EMA.ts:16

Properties

`Readonly`interval

interval: number

Accessors

isStable

get isStable(): boolean
Returns boolean
Overrides MovingAverage.isStable
- Defined in trend/EMA/EMA.ts:49

Methods

add

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

getRequiredInputs

getRequiredInputs(): number
Returns number
Overrides MovingAverage.getRequiredInputs
- Defined in trend/EMA/EMA.ts:21

getResult

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

getResultOrThrow

getResultOrThrow(): number
Returns number
Overrides MovingAverage.getResultOrThrow
- Defined in trend/EMA/EMA.ts:41

replace

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

update

update(price: number, replace: boolean): number
Parameters
- price: number
- replace: boolean
Returns number
Overrides MovingAverage.update
- Defined in trend/EMA/EMA.ts:25

updates

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