Functions

talib.roc()

Calculates the percentage of change (rate of change) between the current value of source and its value length bars ago. It is calculated by the formula: 100 * change(src, length) / src[length].

Syntax

                talib.roc(series float source, series int length) → series float

Arguments

source required series float Series of values to process.

length required series int Number of bars (length).

Return Type

series float

Example


          indicator("Rate of Change (ROC)", overlay=false)
length = input(10, "ROC Length")
rocValue = talib.roc(close, length)
plot(rocValue, color=color.blue, title="ROC")
hline(0, "Zero Line", color=color.gray)