Is there's a way to determine if a symbol is an option or an equity?

Cujuju

New member
I'm trying to tweak my profit/loss label and if it's an option I want to multiple the profit/loss to match the contract size. I've searched and I figure this has to be out there, but I can't figure out how to search for what I want.
 
@Cujuju Hopefully I understand what you're asking. So to view the profit/loss of an option contract, it is necessary to use the specific option symbol. As an example, the May 21, 2021 413 put contract symbol for the SPY is ".SPY210521P413". Once you pull up a chart of the option contract, the profit/loss label should display the necessary data whether that be Open P/L, # of contracts, entry price, etc.
 
TDA's ThinkScript Reference is a good resource for finding what the language can provide.

I don't see anything that will give you the contract size, though I didn't look very hard, but depending on what you're trading, you can almost always assume 100. There's a GetUnderlyingSymbol function you could try using to determine if the current symbol is an option. I would check on a stock to see whether it returns Double.NaN or an empty string. Then to test if it's an option you can write !IsNaN(result) or result != "".
 
I ended up using:
Code:
def qty = GetQuantity() * TickValue()/TickSize();

It doesn't tell me if it's an option or equity, but what I was really interested in was the block size and this works for the average price I'm trying to calculate.
 
I'm trying to tweak my profit/loss label and if it's an option I want to multiple the profit/loss to match the contract size. I've searched and I figure this has to be out there, but I can't figure out how to search for what I want.
How about something like this? I am not sure how this works on futures etc. which has months /different expiry.

def isStock = if (getUnderlyingSymbol()== getSymbol()) then yes else no;
AddLabel(yes, isStock);
 
How about something like this? I am not sure how this works on futures etc. which has months /different expiry.

def isStock = if (getUnderlyingSymbol()== getSymbol()) then yes else no;
AddLabel(yes, isStock);

Not all stocks are optionable. Stocks, etfs, futures, forex (maybe nfts?) can be optionable. Therefore the only thing IsOptionable() tells you reliably is the current symbol isn't an option. GetUnderlyingSymbol() tells you reliably if the current symbol is an option. Neither of them tells you reliably if the current symbol is a stock, is an etf, is a forex pair or is a futures contract.
 
Last edited:
IsOptionable() simply tells whether the symbol is optionable or, to put it another way, has an option chain... It tells nothing else about the underlying...
 

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