Time Series Moving Average
MA Type Argument ID: TIME_SERIES
A Time Series Moving Average is similar to a Simple Moving Average, except
that values are derived from linear regression forecast values instead of regular
A Moving Average is most often used to average values for a smoother
representation of the underlying price or indicator.
set BUY = CLOSE > TSMA(CLOSE, 30)
Evaluates to true when the close is greater than a 30-day TSMA.