Unlike stocks, long options (buying calls or puts) are non-marginable and must be paid for in full. What is Options buying power? - Public FAQ
Example: $10,000 in equity allows for $40,000 in intraday stock buying power. optionshouse buying power
If you have $10,000 in equity, your stock buying power is $20,000. Unlike stocks, long options (buying calls or puts)
: Accounts flagged as Pattern Day Traders (PDT) can access up to 4:1 leverage for intraday stock trades. 000 in equity allows for $40