plotOBOS: Plot Overbought/Oversold Regions for A Stock or ETF

In dang: 'Dang' Associated New Goodies

Plot Overbought/Oversold Regions for A Stock or ETF

Description

Compute and display overbought and oversold regions

Usage

plotOBOS(symbol, n = 50, type = c("sma", "ema", "zlema", "hma"),
  years = 1, blue = TRUE, current = TRUE, title = symbol,
  ticks = TRUE, axes = TRUE)

Arguments

symbol	A (required) character string for stock symbol, or alternatively a xts or zoo object with data
n	An optional integer for the moving average length, defaults to 50
type	An optional character string for the type of moving average; currently supported are ‘SMA’, ‘EMA’, ‘ZLEMA’, and ‘HMA’.
years	An optional numeric or integer value for the number of years of data to display, defaults to one
blue	An optional boolean determining whether blue or gray tones are used, defaults to true implying blue tones
current	An optional boolean determining whether the current date is the end date
title	An optional character string for the plot title, defaults to the symbol
ticks	An optional boolean indicating whether ticks are plotted, passed on to plot.xts, defaults to true
axes	An optional boolean indicating whether axes are plotted, passed on to plot.xts, defaults to true

Details

This function computes a smoothed version of the price using a moving average (with one of several possible methods) as well as a standard deviation band, and displays one and two standard deviations around the smoothed price.

Value

NULL as the function is invoked for the side effect of the plot

Author(s)

Dirk Eddelbuettel

dang documentation built on May 29, 2024, 2:53 a.m.