Function traquer::volume::nvi

pub fn nvi<'a>(
    data: &'a [f64],
    volume: &'a [f64],
) -> impl Iterator<Item = f64> + 'a

Negative Volume Index

Based on price moves depending on whether the current volume is higher than the previous period.

Usage

When above the one year average, confirmation of downtrend.

Sources

[1]

Examples

use traquer::volume;

volume::nvi(
    &vec![1.0,2.0,3.0,4.0,5.0,6.0,4.0,5.0],
    &vec![1.0,2.0,3.0,4.0,5.0,6.0,4.0,5.0]).collect::<Vec<f64>>();