How does high frequency trading work if money isn't available for 2-3 days after selling?
Margin accounts do not have the problem you are imagining, which is unique to cash accounts
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
How does high frequency trading work if money isn't available for 2-3 days after selling?

### Response:
Margin accounts do not have the problem you are imagining, which is unique to cash accounts