What kind of symbol can be shorted?
Some platforms/brokers have HTB indication for a stock symbol, meaning Hard To Borrow. That usually means you can't sell it short at the moment.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
What kind of symbol can be shorted?

### Response:
Some platforms/brokers have HTB indication for a stock symbol, meaning Hard To Borrow. That usually means you can't sell it short at the moment.