#!/usr/bin/Rscript --vanilla
#
# Jan Humme (@opentrades) - August 2012, revised April 2013
#
# Tested and found to work correctly using blotter r1457
#
# After Jaekle & Tamasini: A new approach to system development and portfolio optimisation (ISBN 978-1-905641-79-6)
#
# Paragraph 3.2: luxor with slippage and transaction costs
require(quantstrat)
##### PLACE DEMO AND TEST DATES HERE #################
#
#if(isTRUE(options('in_test')$in_test))
# # use test dates
# {initDate="2011-01-01"
# endDate="2012-12-31"
# } else
# # use demo defaults
# {initDate="1999-12-31"
# endDate=Sys.Date()}
source(paste0(path.package("quantstrat"),"/demo/luxor.include.R"))
.fast = 10
.slow = 30
source(paste0(path.package("quantstrat"),"/demo/luxor.getSymbols.R"))
### blotter
initPortf(portfolio.st, symbols='GBPUSD', initDate=initDate, currency='USD')
initAcct(account.st, portfolios=portfolio.st, initDate=initDate, currency='USD')
### quantstrat
initOrders(portfolio.st, initDate=initDate)
### define strategy
strategy(strategy.st, store=TRUE)
### indicators
add.indicator(strategy.st, name = "SMA",
arguments = list(
x = quote(Cl(mktdata)[,1]),
n = .fast
),
label="nFast"
)
add.indicator(strategy.st, name="SMA",
arguments = list(
x = quote(Cl(mktdata)[,1]),
n = .slow
),
label="nSlow"
)
### signals
add.signal(strategy.st, name='sigCrossover',
arguments = list(
columns=c("nFast","nSlow"),
relationship="gte"
),
label='long'
)
add.signal(strategy.st, name='sigCrossover',
arguments = list(
columns=c("nFast","nSlow"),
relationship="lt"
),
label='short'
)
### rules
add.rule(strategy.st, name='ruleSignal',
arguments=list(sigcol='long' , sigval=TRUE,
orderside='short',
ordertype='market',
orderqty='all',
TxnFees=.txnfees,
replace=TRUE
),
type='exit',
label='Exit2LONG'
)
add.rule(strategy.st, name='ruleSignal',
arguments=list(sigcol='short', sigval=TRUE,
orderside='long' ,
ordertype='market',
orderqty='all',
TxnFees=.txnfees,
replace=TRUE
),
type='exit',
label='Exit2SHORT'
)
add.rule(strategy.st, name='ruleSignal',
arguments=list(sigcol='long' , sigval=TRUE,
orderside='long' ,
ordertype='stoplimit', prefer='High', threshold=.threshold,
orderqty=+.orderqty,
replace=FALSE
),
type='enter',
label='EnterLONG'
)
add.rule(strategy.st, name='ruleSignal',
arguments=list(sigcol='short', sigval=TRUE,
orderside='short',
ordertype='stoplimit', prefer='Low', threshold=-.threshold,
orderqty=-.orderqty,
replace=FALSE
),
type='enter',
label='EnterSHORT'
)
###############################################################################
applyStrategy(strategy.st, portfolio.st)
View(getOrderBook(portfolio.st)[[portfolio.st]]$GBPUSD)
###############################################################################
updatePortf(portfolio.st, Symbols='GBPUSD', Dates=paste('::',as.Date(Sys.time()),sep=''))
chart.Posn(portfolio.st, "GBPUSD")
###############################################################################
View(t(tradeStats(portfolio.st, 'GBPUSD')))
###############################################################################
# save the strategy in an .RData object for later retrieval
save.strategy(strategy.st)
##### PLACE THIS BLOCK AT END OF DEMO SCRIPT ###################
# book = getOrderBook(port)
# stats = tradeStats(port)
# rets = PortfReturns(acct)
################################################################
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