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Determine the Return of a Particular Stock

Hello, I was wondering if there is a way to determine the return of a particular stock during the holding period?

For example, I have been holding Starbucks (SBUX) for a period of (T + delta_T), where T is the date where I purchased some amount of SBUX shares and delta_T is the holding period. The logic here is to use order_target_percent(SBUX, 0) if and only if the return on SBUX shares is more than 10%.

Are there any built-in functions (maybe pipeline?) that can do this?

Any help is greatly appreciated!