You can check which stock is available for short selling by clicking on the icons next to the share price and checking the Remaining Short Pool, as shown below:
How to register an account and receive your dividends from the share registry
Why is Tiger Brokers asking for my information when I open my account?
Does Tiger support pre and post-market trade in the US market?
How do you convert between currencies? Are there any fees for converting one currency to another?
How are withholding taxes and other fees determined on dividends?
You can check which stock is available for short selling by clicking on the icons next to the share price and checking the Remaining Short Pool, as shown below: