# Questions about trading

| Question                                                                                                                               | Answer                                                                                                                                                                                                                                                                                                                                                                          |
| -------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| How do I specify the volume of an order?                                                                                               | The volume of an order is indicated in the base currency or in the quote currency in the trading module or in the dropdown menu in one of the [windows](https://support.tiger.com/english/windows).                                                                                                                                                                             |
| How do I force remove a position? For example, there was a failure, and a position was closed on the exchange but not in the terminal. | Go to [**TT Positions**](https://support.tiger.com/english/tables/xpositions) **→ Clear**.                                                                                                                                                                                                                                                                                      |
| How much historical data is available for an instrument?                                                                               | Data for an instrument depends on the chosen timeframe. The table with limitations and dependencies based on timeframe is located on the [following page](https://support.tiger.com/english/settings/basic-setup/selecting-a-timeframe).                                                                                                                                        |
| How do I set leverage?                                                                                                                 | In the trader module of the [Chart ](https://support.tiger.com/english/windows/chart)or the [DOM ](https://support.tiger.com/english/windows/dom)window, select the “Leverage” field. Enter the leverage size and confirm by pressing the green checkmark.                                                                                                                      |
| How do I link the volume of an order to an instrument?                                                                                 | Set up quotes (add the necessary instruments), then set up the linking of the quotes window with a [Chart ](https://support.tiger.com/english/windows/chart)or [DOM](https://support.tiger.com/english/windows/dom). After that, set the preset volumes in the trader module settings for each instrument. Do not close the quotes window, this will reset the volume settings. |
| Is there a hedging feature?                                                                                                            | A hedging mode (closing a position with limit orders when another position is opened instead of closing) is not yet available in Tiger.com                                                                                                                                                                                                                                      |