> For the complete documentation index, see [llms.txt](https://help.rails.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.rails.xyz/trading.md).

# TRADING

- [Perpetuals](https://help.rails.xyz/trading/perpetuals.md)
- [Orders & Execution](https://help.rails.xyz/trading/perpetuals/orders-and-execution.md)
- [Perpetuals User Interface Guide](https://help.rails.xyz/trading/perpetuals/overview.md): This page explains the main UI components of the Rails perpetuals trading page.
- [Margin, Leverage & Liquidation](https://help.rails.xyz/trading/perpetuals/margin-leverage-and-liquidation.md): Learn how leverage and margin modes work, what triggers liquidation, and how Rails protects your capital through a robust risk engine.
- [Understanding Perpetuals Funding](https://help.rails.xyz/trading/perpetuals/funding.md): Learn how funding anchors perpetual prices to spot values, how the rate is calculated, and how settlement impacts your position.
- [Perps Metrics Guide](https://help.rails.xyz/trading/perpetuals/perps-metrics-guide.md)
- [Pricing & Fees](https://help.rails.xyz/trading/perpetuals/pricing-and-fees.md)
- [Chart Settings Guide](https://help.rails.xyz/trading/perpetuals/chart-settings-guide.md): Customize your TradingView price charts to match how you analyze the market. Use these settings to set up your favorites, review charts more easily, and make informed trading decisions.
- [Options](https://help.rails.xyz/trading/options.md): Coming Soon to Rails: Options Trading
- [Intro to Options](https://help.rails.xyz/trading/options/intro-to-options.md): Learn the terms, contract mechanics, and pricing language used in Rails options.
- [Order Types & Placing Orders](https://help.rails.xyz/trading/options/order-types-and-placing-orders.md): This article explains how to place the different order types available for options trading on Rails.
- [Options User Interface Guide](https://help.rails.xyz/trading/options/overview.md): This page explains the main components of the Rails options trading page, including contract selection, the option chain, and post-trade views.
- [Expiry & Settlement](https://help.rails.xyz/trading/options/expiry-and-settlement.md)
- [Margin & Liquidation](https://help.rails.xyz/trading/options/margin-and-liquidation.md)
- [Options Metrics Guide](https://help.rails.xyz/trading/options/options-metrics-guide.md): Learn how Rails calculates option premium, payoff, and margin.
- [Black-76 & the Greeks](https://help.rails.xyz/trading/options/black-76-and-the-greeks.md): Learn how Rails calculates option mark prices and Greeks with Black-76.
- [Pricing & Fees](https://help.rails.xyz/trading/options/pricing-and-fees.md)
- [Price Indices](https://help.rails.xyz/trading/price-indices.md)