> For the complete documentation index, see [llms.txt](https://guide.laevitas.ch/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.laevitas.ch/guides/tool-guides.md).

# Tool Guides

- [Spread Analysis](https://guide.laevitas.ch/guides/tool-guides/spread-analysis.md)
- [Guide](https://guide.laevitas.ch/guides/tool-guides/spread-analysis/guide.md)
- [Concepts](https://guide.laevitas.ch/guides/tool-guides/spread-analysis/concepts.md)
- [Features and Benefits](https://guide.laevitas.ch/guides/tool-guides/spread-analysis/features-and-benefits.md)
- [Strategy Backtester](https://guide.laevitas.ch/guides/tool-guides/strategy-backtester.md): Ever wanted to know the performance of an option strategy over time? This tool is designed to help you backtest option strategies and evaluate their performance.
- [Calculator](https://guide.laevitas.ch/guides/tool-guides/calculator.md)