Short Name: ShiftedLeft
Definition: Returns an array of values where each values of the input array are shifted by num days toward the past
- A shifted left average can sometimes give a better visual on prices evolution
- Returns an array of values.
- Because the curve is shifted to the left, the last few values are irrelevant and not displayed
- shiftedLeft(avg(20),14) returns a mobile average shifted toward the past by 14 days