【发布时间】:2017-02-15 12:18:55
【问题描述】:
作为上一个问题的变体,我想知道如何使用 quantstrat 包实现持有期,该包可防止投资组合在多个股票的周期之间更新,尽管有信号(此处为跨越阈值)。
我尝试了两种方法,都失败了:
在股票数据中添加了一个以 1 表示季度/学期/年的列,与 name="ruleSignal" 的 add.rule 一起使用,
使用带有 type="rebalance" 和参数的 add.rule relabance_on="宿舍"。
这是 quantstrat 中的代码:
asda
## Signal 1: rank inferior to N
stratjt=add.signal(strategy=stratjt, name="sigThreshold",
arguments=list(threshold=N, column="Rank",
relationship="lte",cross=FALSE),
label="Lower.dcl.thres")
## Signal 2: rank superior to N
stratjt <- add.signal(strategy=stratjt, name="sigThreshold",
arguments=list(threshold=N, column="Rank",
relationship="gt", cross=FALSE),
label="Higher.dcl.thres")
# Rule 1: First attempt to add rebalance rule based on extra signal column
#stratjt <- add.rule(strategy=stratjt, name='ruleSignal',
# arguments = list(sigcol="Rebalance_on", sigval=TRUE,
# orderqty=1, ordertype='market',
# orderside='long', pricemethod='market',
# replace=FALSE, osFUN=osMaxPos),
# type='enter', path.dep=TRUE)
# Rule 1: Second attempt to add rebalance rule using the "rebalance" rule type
stratjt <- add.rule(strategy=stratjt, name='ruleSignal',
arguments = list(rebalance_on="quarters"),
type='rebalance', path.dep=TRUE)
# Rule 2: Enter rule when below threshold
stratjt <- add.rule(strategy=stratjt, name='ruleSignal',
arguments = list(sigcol="Lower.dcl.thres", sigval=TRUE,
orderqty=max.size, ordertype='market',
orderside='long', pricemethod='market',
replace=FALSE, osFUN=osMaxPos),
type='enter', path.dep=TRUE)
# Rule 3: add exit rule when above threshold
stratjt <- add.rule(strategy = stratjt, name='ruleSignal',
arguments = list(sigcol="Higher.dcl.thres", sigval=TRUE,
orderqty='all', ordertype='market',
orderside='long', pricemethod='market',
replace=FALSE),
type='exit', path.dep=TRUE)
注意:我也使用了 applyStrategy.rebalance 函数。
这是输出的一部分:
[1] "2000-04-30 00:00:00 Vivendi -1 @ 99.2256"
[1] "2002-11-30 00:00:00 Vivendi 1 @ 16.2966"
[1] "2003-02-28 00:00:00 Vivendi -1 @ 14.0564"
[1] "2003-11-30 00:00:00 Vivendi 1 @ 22.9647"
[1] "2004-01-31 00:00:00 Vivendi -1 @ 26.3656"
[1] "2004-02-29 00:00:00 Vivendi 1 @ 28.7848"
[1] "2004-03-31 00:00:00 Vivendi -1 @ 26.2421"
[1] "2006-05-31 00:00:00 Vivendi 1 @ 35.8552"
如您所见,交易继续在季度之间进行,而我希望仅在新的季度或学期等中实施交易...... 任何帮助表示赞赏。
干杯, 迈克
【问题讨论】:
标签: r quantitative-finance quantstrat