> For the complete documentation index, see [llms.txt](https://futuresdoc.gitbook.io/help-center/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://futuresdoc.gitbook.io/help-center/perpetual/overview.md).

# Overview

- [Funding Rate](https://futuresdoc.gitbook.io/help-center/perpetual/overview/funding-rate.md)
- [Mark Price](https://futuresdoc.gitbook.io/help-center/perpetual/overview/mark-price.md)
- [Index Price](https://futuresdoc.gitbook.io/help-center/perpetual/overview/index-price.md)
- [Ladder balancing mechanism](https://futuresdoc.gitbook.io/help-center/perpetual/overview/ladder-balancing-mechanism.md)
- [Insurance fund](https://futuresdoc.gitbook.io/help-center/perpetual/overview/insurance-fund-and-allocation.md)
- [ADL](https://futuresdoc.gitbook.io/help-center/perpetual/overview/adl.md)