> For the complete documentation index, see [llms.txt](https://docs.asterdex.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.asterdex.com/trading/perpetuals/fees-and-specs.md).

# Fees & Specs

- [Mark Price](https://docs.asterdex.com/trading/perpetuals/fees-and-specs/mark-price.md)
- [Mark price](https://docs.asterdex.com/trading/perpetuals/fees-and-specs/mark-price-1.md): For Pro mode (orderbook perpetual contracts)
- [Liquidations](https://docs.asterdex.com/trading/perpetuals/fees-and-specs/liquidations.md): For Pro mode (orderbook perpetual contracts)
- [Liquidations](https://docs.asterdex.com/trading/perpetuals/fees-and-specs/liquidations-1.md)
- [Auto-Deleveraging (ADL)](https://docs.asterdex.com/trading/perpetuals/fees-and-specs/auto-deleveraging-adl.md)
- [Fees](https://docs.asterdex.com/trading/perpetuals/fees-and-specs/fees.md)
- [Funding Rate](https://docs.asterdex.com/trading/perpetuals/fees-and-specs/funding-rate.md)
- [Self-Trade Prevention](https://docs.asterdex.com/trading/perpetuals/fees-and-specs/self-trade-prevention.md)
- [How to Configure STP](https://docs.asterdex.com/trading/perpetuals/fees-and-specs/self-trade-prevention/how-to-configure-stp.md)
- [Costs of Opening Positions](https://docs.asterdex.com/trading/perpetuals/fees-and-specs/costs-of-opening-positions.md)