An LOC (limit-on-close) order will fill at the closing price if that price is at or better than the submitted limit price. Otherwise, the order will be canceled.
To create an LOC order
- Click the Ask price to create a BUY order, or the Bid price to create a SELL order.
- In the Type field, select LOC as the order type.
- To transmit the order, click the "T" in the Status field.
For a more detailed description of LOC orders, visit the