Lab 6

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install.packages("quantmod")

## Installing package into '/cloud/lib/x86_64-pc-linux-gnu-library/4.5'
## (as 'lib' is unspecified)

install.packages("lubridate")

## Installing package into '/cloud/lib/x86_64-pc-linux-gnu-library/4.5'
## (as 'lib' is unspecified)

library(quantmod)

## Loading required package: xts

## Loading required package: zoo

## 
## Attaching package: 'zoo'

## The following objects are masked from 'package:base':
## 
##     as.Date, as.Date.numeric

## Loading required package: TTR

## Registered S3 method overwritten by 'quantmod':
##   method            from
##   as.zoo.data.frame zoo

library(lubridate)

## 
## Attaching package: 'lubridate'

## The following objects are masked from 'package:base':
## 
##     date, intersect, setdiff, union

getSymbols('AMZN', src = 'yahoo', 
           from = Sys.Date() - years(4), to = Sys.Date())

## [1] "AMZN"

getSymbols('TSLA', src = 'yahoo', 
           from = Sys.Date() - years(4), to = Sys.Date())

## [1] "TSLA"

stocks <- as.xts(data.frame(AMZN = AMZN$"AMZN.Close",
                            TSLA = TSLA$"TSLA.Close"))

plot(as.zoo(stocks),screens = 1,lty = c(1,3),
     col = c("red","blue") ,xlab = "date",ylab = "Price")
legend("top",c("AMZN","TSLA"),
       lty = c(1,3),col = c("red","blue"),cex = 0.5)