sma

Simple Moving Averange

(sma len symbol options?)

Description

The sma function calculates the Simple Moving Average (SMA) for a specified number of days for a given asset symbol. It returns the SMA value for the specified period or an array of SMA values if the roll option is provided.

Returns

The sma function returns the calculated SMA value for the specified period. If the roll option is provided, it returns an array of SMA values for each rolling period. The offset option allows retrieving the SMA value from a specific offset day.

Parameters

len (asset) - the number of days to calculate the SMA

symbol (string) - symbol of the asset for which the SMA is to be calculated

options (optional, object) - additional options to control the calculation (e.g., rolling, offset).

• The sma function calculates the Simple Moving Average (SMA) for a specified number of days for a given asset symbol.

• Additional options can be provided to control the calculation, such as the rolling option to calculate SMA values for multiple rolling periods.

• The exact calculation method and behavior of the function may vary depending on the specific trading system or context in which it is used.

Examples

(sma 21 "AAPL")            ;; Simple Moving Averange for last 21 days
;;=> 188.3

(sma 21 "AAPL" {roll: 2})   ;; Simple Moving Averange for last 21 days
;;=> [188.3, 188.22, 178.97]

(sma 21 "AAPL" {offset: 2})   ;; SMA 21 starting 2 days ago
;;=> 188.2