docs-v2/content/flux/v0.x/stdlib/universe/chandemomentumoscillator.md

title	description	aliases	menu	weight	flux/v0.x/tags	related	introduced
chandeMomentumOscillator() function	The `chandeMomentumOscillator()` function applies the technical momentum indicator developed by Tushar Chande.	/influxdb/v2.0/reference/flux/functions/built-in/transformations/aggregates/chandemomentumoscillator/ /influxdb/v2.0/reference/flux/stdlib/built-in/transformations/aggregates/chandemomentumoscillator/ /influxdb/v2.0/reference/flux/stdlib/built-in/transformations/chandemomentumoscillator/ /influxdb/cloud/reference/flux/stdlib/built-in/transformations/chandemomentumoscillator/	flux_0_x_ref name parent chandeMomentumOscillator universe	102	transformations	/{{< latest "influxdb" "v1" >}}/query_language/functions/#triple-exponential-moving-average, InfluxQL CHANDE_MOMENTUM_OSCILLATOR()	0.39.0

The chandeMomentumOscillator() function applies the technical momentum indicator developed by Tushar Chande.

chandeMomentumOscillator(
    n: 10,
    columns: ["_value"],
)

The Chande Momentum Oscillator (CMO) indicator calculates the difference between the sum of all recent data points with values greater than the median value of the data set and the sum of all recent data points with values lower than the median value of the data set, then divides the result by the sum of all data movement over a given time period. It then multiplies the result by 100 and returns a value between -100 and +100.

Parameters

n

The period or number of points to use in the calculation.

columns

The columns to operate on. Defaults to ["_value"].

tables

Input data. Default is piped-forward data (<-).

Output tables

For each input table with x rows, chandeMomentumOscillator() outputs a table with x - n rows.

Examples

Transform data with a two point Chande Momentum Oscillator

{{% flux/sample-example-intro %}}

import "sampledata"

sampledata.int()
    |> chandeMomentumOscillator(n: 2)

{{% expand "View input and output" %}} {{< flex >}} {{% flex-content %}}

Input data

{{% flux/sample set="int" %}}

{{% /flex-content %}} {{% flex-content %}}

Output data

_time	tag	_value
2021-01-01T00:00:20Z	t1	60
2021-01-01T00:00:30Z	t1	53.84615384615385
2021-01-01T00:00:40Z	t1	66.66666666666667
2021-01-01T00:00:50Z	t1	-100

_time	tag	_value
2021-01-01T00:00:20Z	t2	-100
2021-01-01T00:00:30Z	t2	51.724137931034484
2021-01-01T00:00:40Z	t2	57.142857142857146
2021-01-01T00:00:50Z	t2	-100

{{% /flex-content %}} {{< /flex >}} {{% /expand %}}