Nested IF THEN syntax in thinkscript?

congamike

New member
New member question about stacking elses

This:

AssignBackgroundColor(if (MACDH > 0 and close > sma)
then GlobalColor("above")
else GlobalColor("below"));

mostly works. Sadly, there is a third condition I want to trap but can't seem to describe it in TOS.
I tried breaking it up into two AssignBackgroundColor statements, but that crashes.

I want no color assigned in that awkward period when MACDH is up and sma is down (or vice versa). For this I need a third condition which would be a second 'else' layer (no?).

Help? Thanks.
 
I want no color assigned in that awkward period when MACDH is up and sma is down (or vice versa). For this I need a third condition which would be a second 'else' layer (no?).

just keep adding if thens, with an else in between them.

if a then 1
else if b then 2
else if c then 3
else 4

put your 3rd condition (exceptions) first, so if it is true, it will stop processing if thens.

AssignBackgroundColor(
if
(( MACDH is up and sma is down) or (MACDH is up and sma is down))
then color.current

else if (MACDH > 0 and close > sma)
then GlobalColor("above")

else GlobalColor("below"));

https://tlc.thinkorswim.com/center/reference/thinkScript/Constants/Color/Color-CURRENT
 

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just keep adding if thens, with an else in between them.

if a then 1
else if b then 2
else if c then 3
else 4

put your 3rd condition (exceptions) first, so if it is true, it will stop processing if thens.

AssignBackgroundColor(
if
(( MACDH is up and sma is down) or (MACDH is up and sma is down))
then color.current

else if (MACDH > 0 and close > sma)
then GlobalColor("above")

else GlobalColor("below"));

https://tlc.thinkorswim.com/center/reference/thinkScript/Constants/Color/Color-CURRENT
So I ended up with this:
AssignBackgroundColor(
if (macdh > 0 and close > sma)
then GlobalColor("above")
else if (macdh < 0 and close < sma)
then GlobalColor("below")
else GlobalColor(color.current)
);

Which does not run and of course I don't understand.
The final GlobalColor statement is highlighted in red. Commenting out the line makes the previous 'if' turn red.
The error message says: Expected class java.lang.String at 25:13
What may I learn from this?
 
Last edited:
Hi, I am trying to edit an "option chain column" script. It was posted here by XeoNoX. In it's current form it randomly generates an erroneously high value when the volume column has "N/A" instead of a value. I am trying to insert/nest an IF statement to stop the calculation or get around it when the volume column has this non-value. I can't seem to get the IF to quit generating an error (red) nor how to "not do anything". Thanks in advance for any assistance.

def x2 = (volume > open_interest*2);
def x = (volume / open_interest)*100;
AddLabel(yes, + Round(x , 0) + "%",color.black);
assignBackgroundColor (if x2 then color.orange else color.black);


My attempt: Underline/bold is red in TOS

def x2 = (volume > open_interest*2);
def x = (volume / open_interest)*100;
If volume > 0 then {
AddLabel(yes, + Round(x , 0) + "%",color.black);
assignBackgroundColor (if x2 then color.orange else color.black);
} else ???
 
So I ended up with this:
AssignBackgroundColor(
if (macdh > 0 and close > sma)
then GlobalColor("above")
else if (macdh < 0 and close < sma)
then GlobalColor("below")
else GlobalColor(color.current)
);

Which does not run and of course I don't understand.
The final GlobalColor statement is highlighted in red. Commenting out the line makes the previous 'if' turn red.
The error message says: Expected class java.lang.String at 25:13
What may I learn from this?

instead of this,
GlobalColor(color.current)

remove globalcolor and just use this,
color.current

it can be used by itself. you didn't define a color called color.current
 

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