Calculates the negative volume index, uses closing price of the time period

To pull data from 'ALPHA VANTAGE' <https://www.alphavantage.co/>,
use the av_api_key() function from 'alphavantager' for inserting your API key.
This is a complement to the 'alphavantager' package from CRAN. Contains
commonly used quantitative finance tools. 'avfintools' stands for
'ALPHA VANTAGE' Finance Tools, as it depends on sourcing financial data from
the 'ALPHA VANTAGE' <https://www.alphavantage.co/documentation/> API.

Edward Wei

avfintools

Financial Analysis Tools Using Data from 'Alpha Vantager'

nvi function

<dl><dt>df</dt>
<dd>Dataframe with price data.</dd></dl>

Arguments

Negative Volume Index — nvi

<dl>

<dt>df</dt>
<dd>Dataframe with price data.</dd>

</dl>

nvi: Negative Volume Index

Description

Usage

Value

Arguments

Examples