% change label, help needed

[perroveloz]

hi, I have a label with a % cahnge on my Days grid but it only works when market is open and i need it to work in pre market to have the gap, i need help to have the close (in minutes)
this is the code that I have

input period = AggregationPeriod.DAY;

def changeC = ((close(period = period)[0]-close (period = period)[1])/close(period=period)[1])*100;

AddLabel (yes, "%Chg: " + Round(changeC, 2) + "%", COLOR.GRAY);

thanks in advance

 

[halcyonguy]

hi, I have a label with a % cahnge on my Days grid but it only works when market is open and i need it to work in pre market to have the gap, i need help to have the close (in minutes)
this is the code that I have

input period = AggregationPeriod.DAY;

def changeC = ((close(period = period)[0]-close (period = period)[1])/close(period=period)[1])*100;

AddLabel (yes, "%Chg: " + Round(changeC, 2) + "%", COLOR.GRAY);

thanks in advance

by your formula, it looks like you want to compare todays close to yesterdays close.
if that is what you want, why worry about premarket?
what is 'the gap' you are looking for?

i think using aggregation of day will only read normal trading hours data, not premarket.

here is a search for several pages of studies, dealing with previous day close. maybe one of these will work?
https://usethinkscript.com/search/1115084/?q=previous+day+close&o=date

or elaborate on what you really want and maybe someone can help.

 

[zeek]

hi, I have a label with a % cahnge on my Days grid but it only works when market is open and i need it to work in pre market to have the gap, i need help to have the close (in minutes)
this is the code that I have

input period = AggregationPeriod.DAY;

def changeC = ((close(period = period)[0]-close (period = period)[1])/close(period=period)[1])*100;

AddLabel (yes, "%Chg: " + Round(changeC, 2) + "%", COLOR.GRAY);

thanks in advance

# Percent Change Label (from Yesterday's Close)
# tomsk
# 1.9.2020

# V1.0 - 01.08.2020 - tomsk - Initial release of Percent Change Label, to be used for daily aggregation
# V1.1 - 01.09.2020 - tomsk - Updated to work on intraday aggregation as well as daily

def PC = close(period = AggregationPeriod.DAY)[1];
def PctChange = (close - PC) / PC;
AddLabel(1, "Change = " + AsPercent(PctChange), if PctChange > 0 then Createcolor(100,200,100) else if PctChange < 0 then Color.Light_Red else Color.Gray);

# End Percent Change Label (from Yesterday's Close)