> For the complete documentation index, see [llms.txt](https://support.tiger.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.tiger.com/english/platform-updates/version-4.5.15.md).

# Version 4.5.15

1. Implemented a connector for Interactive Brokers.
2. Implemented a connector to the cryptocurrency exchange Bybit.
3. Margin trading and futures trading on the Binance crypto exchange has been implemented.
4. Implemented trading futures on the Bitfinex cryptocurrency exchange.
5. Added the ability to trade options on the MOEX exchange, implemented an option board.
6. Added the ability to trade American stocks on the St. Petersburg Exchange.
7. The list of American stocks available on the platform has been expanded.
8. Added a new graphical object Fibonacci Extensions.
9. A new ruler graphic object has been added.
10. The risk manager has the ability to set fractional values.
11. In the connection settings through the Transaq Connector, the ability to set the time for automatic connection is added.
12. In the connection settings via Bybit and Bitmex, the option Internal position accounting has been added which includes the calculation of positions on transactions completed through the terminal with statistics.


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## 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://support.tiger.com/english/platform-updates/version-4.5.15.md?ask=<question>
```

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.