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Joined: 10/12/2009(UTC)
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Hi, how should I code if I want to buy shares when the price increases like 5% and close out when it goes down 10% in like 2 yrs.
I am sure this is simple for you. I am a new user, so if you can code this, please give me some hints. Many thanks.
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Rank: Advanced Member
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Joined: 11/7/2005(UTC)
Posts: 602
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Use function LLV() or TROUGH() to find the low to start the calculation, then
use an if statement like:
If((C>1.05*LLV(C,20)),1,0) to find the any 5% move from the low of the previous
20 days.
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Rank: Member
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Joined: 10/12/2009(UTC)
Posts: 13
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Thank you johnl.
But what I want is, For example:
Day1 price: $1.0 Day2 price: $1.01, Day 3: $1.02, Day 4: $1.10, then buy some shares on Day4.
When Day5 price is still $1.10, i dont want to buy more.
What I want is to place my second when the price pn>=1.10*1.05=1.155, and so on.
Can this function make this? Please let me know.
Thanks.
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Rank: Advanced Member
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Joined: 9/13/2004(UTC)
Posts: 673
Location: Salt Lake City, UT
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What are you defining as "Day 1"? In other words, there has to be some way to identify a starting point. i.e. the first bar loaded into the chart, etc.
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Rank: Member
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Joined: 10/12/2009(UTC)
Posts: 13
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Yes, we can define Day1 as the first bar loaded into the chart
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Rank: Member
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Joined: 10/12/2009(UTC)
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I will repeat my question to make it more clear.
Every time when the close price goes up >=10%, I want to buy.
For example:
Day1 (The first bar loaded in the chart) close price: 10
Day 2: 9.5
Day 3: 9
Day 4: 9.6
Day 5: 9.9 (Here, I want to buy as 9*1.1=9.9)
Day 6: 9
Day7: 9.9 (Another buy )
Day 8: 10.89 (=9.9*1.1, so another buy)
and so on for a long period.
If I just code：
{buy:} cross(c, trough(1,c,1)*1.1)
is it correct?
I am thinking if I can loop the above formula every time when the buy order is executed, like on day5,7,8, then it maybe correct. But I dont know how to code that.
Regarding to LLV() mentioned by Johnl, for example, if Day 8 CLOSE is 10, it is still >9*1.1 (On Day 6), but i dont want to buy here.
If you have any ideas about this, please help me. Thanks very much.
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Rank: Advanced Member
Groups: Registered, Registered Users
Joined: 11/7/2005(UTC)
Posts: 602
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Here is my problem:
Day1 (The first bar loaded in the chart) close price: 10
Day 2: 9.5
Day 3: 9
Day 4: 9.6
Day 5: 9.9 (Here, I want to buy as 9*1.1=9.9)
Day 6: 9
Day7: 9.9 (Another buy )
Day 8: 10.86 (<9.9*1.1, so not another buy) but (>9*1.1=9.9) so another buy
Day 9: 10.84 ( <9.9*1.1, so not another buy) but (>9*1.1=9.9) so another buy
Etc:
Every day is going to be a buy just as long as the price is above (9*1.1)
Not sure that is that what you want??
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Rank: Member
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Joined: 10/12/2009(UTC)
Posts: 13
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Hi Johnl
Thank you for your kind reply.
How about I explain like this:
Every time after my previous buy order, if the most recent trough price goes up >=10%, I would like to have another buy.
Same example as above:
Day 5: is my first buy order
Then in Day6, the price goes down to 9 (or any number <9.9 on Day5), so there must be another trough, right? So if the most recent trough goes up >=10%, I want another buy.
So I have another buy on Day 7 because the price in Day 7>=the first trough (in Day6)*1.1 after my last buy order (in Day 5).
Same, if Day 7: 9.9
Day8: 10.86
Day9: 11
Price goes up form Day 7 to Day 9, Then Day 7 is the lowest price since my last buy order on Day 7.
Not buy on Day 8 because 10.86<9.9*1.1, but another buy on Day 9.
So in a word, every time after my previous order, if the most recent trough goes up 10%, then place another buy order.
Sorry for confusing you, hope i explain it more clearly this time.
Please let me know if you have any ideas about it. Thank you again.
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Rank: Advanced Member
Groups: Registered, Registered Users
Joined: 11/7/2005(UTC)
Posts: 602
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Unfortunately, someone with better programming skills will have to attempt this.
What you want to do is start a calculation on some condition and then stop the
calculation on another condition, then repeat. Sort of a FromTo(from this,to this,do this)
function. I always thought I could spec it out and suggest it to equis but even the
spec'ing gets messy.
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Rank: Member
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Joined: 10/12/2009(UTC)
Posts: 13
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Thank you very much, Johnl.
I have another question about general settings.
If I want to execute my first buy order on the first bar during the period no matter what condition is on that day. What should I do?
Thanks.
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Rank: Advanced Member
Groups: Registered, Registered Users
Joined: 11/7/2005(UTC)
Posts: 602
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I have to answer your question with another question.
What do you mean by "period"? If you think in terms of a data sequence a period
could be anything you make it.
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