envlower
Moving-average envelope, lower
Reference/Bands & channels/Function
envlower(source, length, percent)
SMA shifted down by percent. Same arguments as envupper.
Parameters
| Name | Type | Description |
|---|---|---|
sourceoptional | series default close | Series to use. Omit it when the first argument is a number — ema(9) means ema(close, 9). |
length | int default 14 | Lookback in bars. Default 14. |
Return value
series
Short form: if the first argument is a number, Dovee uses close as the source.
Example
when close crosses below envlower(20) then buy