# Trading and orders

> Placing, matching, changing and cancelling orders.

Source: https://help.stxapp.io/topics/trading/

- [Trading and orders](https://help.stxapp.io/articles/trading-and-orders/): Placing, matching, cancelling and closing orders, and full collateralization.
- [Fee Schedule](https://help.stxapp.io/articles/fee-schedule/): How STX's US trading fees work: takers pay a fee and makers get a rebate, both set by the price. Rates and the fee table are on the Fee Schedule page.
- [How to place an order](https://help.stxapp.io/articles/place-an-order/): How to buy or sell contracts on an STX market using the Order Slip, and how YES and NO outcomes settle.
- [How to place a limit order](https://help.stxapp.io/articles/limit-orders/): What a limit order is, how its limit price works, and how to place one on STX using the Order Slip.
- [Orders](https://help.stxapp.io/articles/orders/): Terms used for orders on STX, from the order book to maker, taker, open, filled and partially filled orders.
- [Positions](https://help.stxapp.io/articles/positions/): What a position on STX is, how it is created when your orders trade, and which outcome a bought or sold position needs.