> 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.md).

# Perpetual

- [Overview](https://futuresdoc.gitbook.io/help-center/perpetual/overview.md)
- [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)
- [USDT margined perpetual contract](https://futuresdoc.gitbook.io/help-center/perpetual/untitled.md)
- [USDT Perpetual Contract Introduction](https://futuresdoc.gitbook.io/help-center/perpetual/untitled/usdt-perpetual-contract-introduction.md)
- [Leverage and position limit](https://futuresdoc.gitbook.io/help-center/perpetual/untitled/leverage-and-position-limit.md)
- [Ladder Maintenance Margin Rate](https://futuresdoc.gitbook.io/help-center/perpetual/untitled/ladder-maintenance-margin-rate.md)
- [Margin and profit/loss calculations](https://futuresdoc.gitbook.io/help-center/perpetual/untitled/margin-and-profit-loss-calculations.md)
- [Coin margined perpetual contracts](https://futuresdoc.gitbook.io/help-center/perpetual/untitled-1.md)
- [Currency Standard Perpetual Contract](https://futuresdoc.gitbook.io/help-center/perpetual/untitled-1/currency-standard-perpetual-contract.md)
- [Leverage and position limit](https://futuresdoc.gitbook.io/help-center/perpetual/untitled-1/leverage-and-position-limit.md)
- [Ladder Maintenance Margin Rate](https://futuresdoc.gitbook.io/help-center/perpetual/untitled-1/ladder-maintenance-margin-rate.md)
- [Margin and profit/loss calculations](https://futuresdoc.gitbook.io/help-center/perpetual/untitled-1/margin-and-profit-loss-calculations.md)
- [Functions](https://futuresdoc.gitbook.io/help-center/perpetual/functions.md)
- [Perpetual contract user guide](https://futuresdoc.gitbook.io/help-center/perpetual/functions/perpetual-contract-user-guide.md)
- [One-way and two-way positions](https://futuresdoc.gitbook.io/help-center/perpetual/functions/one-way-and-two-way-positions.md)
- [Conditional Order](https://futuresdoc.gitbook.io/help-center/perpetual/functions/conditional-order.md)
- [Take Profit, Stop Loss TP/SL](https://futuresdoc.gitbook.io/help-center/perpetual/functions/take-profit-stop-loss-tp-sl.md)
- [Take Profit Stop Loss Order](https://futuresdoc.gitbook.io/help-center/perpetual/functions/take-profit-stop-loss-order.md)
- [Contract Grid](https://futuresdoc.gitbook.io/help-center/perpetual/functions/contract-grid.md)
- [Futures Copy](https://futuresdoc.gitbook.io/help-center/perpetual/functions/futures-copy.md)
- [How to carry out a transaction](https://futuresdoc.gitbook.io/help-center/perpetual/functions/futures-copy/how-to-carry-out-a-transaction.md)
- [Profit Sharing](https://futuresdoc.gitbook.io/help-center/perpetual/functions/futures-copy/profit-sharing.md)
- [How to copy trade](https://futuresdoc.gitbook.io/help-center/perpetual/functions/futures-copy/how-to-copy-trade.md)
- [Futures copy trading rules](https://futuresdoc.gitbook.io/help-center/perpetual/functions/futures-copy/futures-copy-trading-rules.md)
- [Bonus Voucher](https://futuresdoc.gitbook.io/help-center/perpetual/functions/bonus-voucher.md)