Syntax
Public Function RelativeStrengthIndex(chart_ID As Long, applyTo As ENUM_APPLIED_PRICE, period As Integer, Optional SignalPeriod As Integer = 3) As StringDescription
The RSI (Wilder) is a popular indicator that shows comparative price strength within single security.
9, 14 and 25 period RSI calculations are the most popular.
The most widely used method for interpreting the RSI is price/RSI divergence, support/resistance levels, and RSI chart formations.
Parameters
| Key | Description |
| chrat_ID | Chart identifier, 0 is the current chart, value of type Long |
| applyTo | Applied price value of typeENUM_APPLIED_PRICE. |
| Period | The calculation period, on which the indicator will be calculated, a value of type Integer. |
| SignalPeriod | Signal Period , optional value as Integer. |
Return value
Returns the handles of a technical indicator, in case of failure returns an empty string.
Sample
Public Sub main()AlertMessage (RelativestrengthIndex(0,PRICE_CLOSE,10,3))'Draws the indicator on the chart and shows an Alert Message with the indicator name.End SubSee Also