Struct EnvelopeEngine 

pub struct EnvelopeEngine { /* private fields */ }

Moving-average envelope: an SMA with bands a fixed percentage away.

basis = SMA(period) of the close; upper/lower = basis ± basis * percent / 100.

value and extra["basis"]: the basis; extra["upper"] and extra["lower"]. First output: with the period-th bar. Indicator::reset clears the average.

Implementations

impl EnvelopeEngine

pub fn new(period: usize, percent: f64) -> Self

Trait Implementations

impl Clone for EnvelopeEngine

fn clone(&self) -> EnvelopeEngine

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for EnvelopeEngine

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Indicator for EnvelopeEngine

fn name(&self) -> &str

fn warmup_period(&self) -> usize

fn reset(&mut self)

fn on_bar(&mut self, bar: &Bar) -> Option<IndicatorOutput>

fn alerts(&self) -> Vec<IndicatorAlert>

fn on_checked_bar( &mut self, bar: &Bar, ) -> Result<Option<IndicatorOutput>, BarValidationError>

Validates a bar before forwarding it to Indicator::on_bar.