# FAQ - [Explanation functionalities](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities.md) - [Binance API management update](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/binance-api-management-update.md) - [Binance API management update II](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/binance-api-management-update-ii.md): Binance has changed its API management menu structure. If you do not want to enter a whitelisted IP address, you must first uncheck a checkbox in the API menu. - [How does the application choose its language?](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/how-does-the-application-choose-its-language.md) - [What is the difference between Updown strategy and BitBrokerTrade strategy?](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/what-is-the-difference-between-updown-strategy-and-bitbrokertrade-strategy.md) - [How does the UpDown Strategy work](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/how-does-the-updown-strategy-work.md) - [How much influence does the level of the return percentage have on the final profit?](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/how-much-influence-does-the-level-of-the-return-percentage-have-on-the-final-profit.md) - [What is the best return percentage to enter with the trader](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/what-is-the-best-return-percentage-to-enter-with-the-trader.md) - [How and on the basis of which you determine a 'ceiling rate'](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/how-and-on-the-basis-of-which-you-determine-a-ceiling-rate.md) - [How is the size of a transaction determined?](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/how-is-the-size-of-a-transaction-determined.md) - [What is the minimum deposit amount in Euro](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/what-is-the-minimum-deposit-amount-in-euro.md) - [Exchange: amount reserved](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/exchange-amount-reserved.md) - [Trader setting: Maximum open purchases](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/trader-setting-maximum-open-purchases.md) - [How does the calculation of the profit work?](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/how-does-the-calculation-of-the-profit-work.md) - [Can I also try out the operation of the trader first without having to bring in money?](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/can-i-also-try-out-the-operation-of-the-trader-first-without-having-to-bring-in-money.md) - [The dashboard shows the gross profit, but how do I calculate the net profit?](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/the-dashboard-shows-the-gross-profit-but-how-do-i-calculate-the-net-profit.md) - [My dashboard suddenly shows a lower profit](https://docs.bitbrokertrade.com/english/untitled/explanation-functionalities/my-dashboard-suddenly-shows-a-lower-profit.md) - [Error messages](https://docs.bitbrokertrade.com/english/untitled/error-messages.md) - [An open position but not enough crypto balance on the exchange](https://docs.bitbrokertrade.com/english/untitled/error-messages/an-open-position-but-not-enough-crypto-balance-on-the-exchange.md): Manual trading on the exchange regularly creates differences (= shortages) on the crypto account in order to be able to sell the positions of the trader. What can I do? - [There are extremely high trading costs on a number of sales transactions](https://docs.bitbrokertrade.com/english/untitled/error-messages/there-are-extremely-high-trading-costs-on-a-number-of-sales-transactions.md) - [The trader does not make any purchases, what goes wrong?](https://docs.bitbrokertrade.com/english/untitled/error-messages/the-trader-does-not-make-any-purchases-what-goes-wrong.md) - [My transaction line in the Purchase transactions screen has a red cross status ?!](https://docs.bitbrokertrade.com/english/untitled/error-messages/my-transaction-line-in-the-purchase-transactions-screen-has-a-red-cross-status.md) - [Why does the sale of my BNB transaction give an error?](https://docs.bitbrokertrade.com/english/untitled/error-messages/why-does-the-sale-of-my-bnb-transaction-give-an-error.md) - [Dashboard data does not match historical transaction history](https://docs.bitbrokertrade.com/english/untitled/error-messages/dashboard-data-does-not-match-historical-transaction-history.md): If I add up all the trades in the sell screen I get a much higher profit. - [The transaction is not sold while the profit percentage has been achieved](https://docs.bitbrokertrade.com/english/untitled/error-messages/the-transaction-is-not-sold-while-the-profit-percentage-has-been-achieved.md): Then an error message appears in case of manual sale --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.bitbrokertrade.com/english/untitled.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.