mom

Change (Difference from historical value)

`mom(source, length)`

Parameters

Name	Type	Description
`source`	field	Data series
`length`	int	Periods to look back

Formula

mom = source - source[length]

Examples

mom(close, 1) > 0;               // positive gain from prior bar
mom(high, 5) < 0;                // lower high from 5 bars ago
mom(volume, 10) >= volume[10];   // volume more than doubled from 10 bars ago

Returns

float

Range

length must be 1-400

Notes

Functionally identical to change(); provided under momentum-indicator naming

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