Even on commission-free brokers like Interactive Brokers Lite, Charles Schwab, and Robinhood, US regulatory agencies mandate transaction fees on sell transactions.
| Fee Component | Statutory Rate | Maximum Cap per Trade | Trade Side |
|---|---|---|---|
| SEC Section 31 Fee | $27.80 per $1,000,000 | Uncapped | Sell orders only |
| FINRA TAF (Stock) | $0.000166 per share | $8.30 per execution | Sell orders only |
| FINRA TAF (Options) | $0.00279 per contract | Uncapped | Sell orders only |
| OCC Clearing Fee | $0.02 per contract | $55.00 per trade | Both Buy and Sell |
Model net profit after SEC, TAF, and capital gains with the US Stock Profit Calculator.