Intra day price movement

[valbona13]

Hey folks I am trying to build a scanner which detects if the current mark price is greater than 3% the mark price x minutes ago. Here is what I have so far

input priceType = PriceType.MARK;
input period = AggregationPeriod.MIN;
def closePeriod = close(period = period, priceType = priceType);
def refPrice = (closePeriod from 2 bars ago) * 1.03;
plot scan = closePeriod > refPrice;

However I get the error "Secondary period not allowed: 1 min." Any suggestions would be appreciated. Also if you think my code would not work the way it is set up currently feel free to chime in with your expertise. It is very much welcomed.

 

[halcyonguy]

reread the error message. try removing all references to a 2nd aggregation.

 

[valbona13]

reread the error message. try removing all references to a 2nd aggregation.

not sure what you mean. I only have one reference to an aggregation period. Unless you mean to rename the input period to something else?

 

[rad14733]

@valbona What timeframe are you attempting to use the scan code on...??? You can set the aggregation in the header of your scan code panel and in the scanner... Therefore you don't need any reference to AggregationPeriod within the scan code itself... That is most likely the source of your error...

 

[halcyonguy]

to echo what rad14733 said, using a 2nd aggregation time, within a scan study, is not allowed.
2nd aggregation is not the second occurance of configuring a time period. it implies setting a different time period than the chart time.
i think you can't set a different time period within a scan study.

yes, remove the aggregation.
remove the code line , period = formula.
remove 'period' from the closeperiod formula.
at the top of the scan code window, select the desired aggregation time.

you seem to be very focused on doing something one way, that you aren't reading and understanding what the message is telling you, ....not allowed.

if an error message mentions something is causing an error, then try changing some of the parameters or disable the relevant code. you could try changing the period from .min to .hour or .day, to see if that changes the outcome. ( i don't think it will work)
then try disabling that bit of code and see if it results in the study working.

https://usethinkscript.com/threads/custom-aggregation-in-scanner.1356/
post #4 TOS does not support custom aggregation for scanners

 

[valbona13]

Thanks everyone. We will see tomorrow if anything good comes of it. One brief follow up, I am also having issues getting the scans that are custom to show up on watch lists. Is something special you need to do within the code to allow the results of the scan to be displayed on a watch list

 

[rad14733]

Thanks everyone. We will see tomorrow if anything good comes of it. One brief follow up, I am also having issues getting the scans that are custom to show up on watch lists. Is something special you need to do within the code to allow the results of the scan to be displayed on a watch list

You can usually reference the proper plot from your Study as the trigger for your Custom Watchlist Column(s)... This has been covered many many times here in these forums... That means you need to save your Custom Scan logic into a Study so it can be referenced from your Watchlists Custom Quote Formula...