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

# Perpetual Futures Basics

- [Formulas and Definitions](https://yummy-docs.gitbook.io/yummy-docs/perpetual-futures-basics/formulas-and-definitions.md): Supported by Orderly Network
- [Margin, Leverage & PnL](https://yummy-docs.gitbook.io/yummy-docs/perpetual-futures-basics/margin-leverage-and-pnl.md)
- [Mark Price, Index Price, and Last Price](https://yummy-docs.gitbook.io/yummy-docs/perpetual-futures-basics/mark-price-index-price-and-last-price.md)
- [Order Price Limit](https://yummy-docs.gitbook.io/yummy-docs/perpetual-futures-basics/order-price-limit.md)
- [Funding Rate](https://yummy-docs.gitbook.io/yummy-docs/perpetual-futures-basics/funding-rate.md)
- [Liquidations](https://yummy-docs.gitbook.io/yummy-docs/perpetual-futures-basics/liquidations.md)
- [Insurance Fund & ADL](https://yummy-docs.gitbook.io/yummy-docs/perpetual-futures-basics/insurance-fund-and-adl.md)