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

# OptiFi in Depth

- [Margin Requirements](https://optifi.gitbook.io/optifi/optifi-in-depth/margin-requirements.md): Portfolio Margin with gradual liquidation mechanism
- [Portfolio Margin](https://optifi.gitbook.io/optifi/optifi-in-depth/margin-requirements/portfolio-margin.md)
- [Portfolio Margin Calculations](https://optifi.gitbook.io/optifi/optifi-in-depth/margin-requirements/portfolio-margin-calculations.md)
- [Liquidation Mechanism](https://optifi.gitbook.io/optifi/optifi-in-depth/margin-requirements/liquidation-mechanism.md)
- [OptiFi Market Maker (OMM)](https://optifi.gitbook.io/optifi/optifi-in-depth/optifi-market-maker-omm.md): First-ever on-chain Options Market Maker with delta-neutral strategy
- [OMM Design](https://optifi.gitbook.io/optifi/optifi-in-depth/optifi-market-maker-omm/omm-design.md)
- [OMM Orderbook Pricing](https://optifi.gitbook.io/optifi/optifi-in-depth/optifi-market-maker-omm/omm-orderbook-pricing.md)
- [Delta-Neutral Hedging](https://optifi.gitbook.io/optifi/optifi-in-depth/optifi-market-maker-omm/delta-neutral-hedging.md)
- [Continuous Functioning of OMM](https://optifi.gitbook.io/optifi/optifi-in-depth/optifi-market-maker-omm/continuous-functioning-of-omm.md)
- [Withdrawals from OMM](https://optifi.gitbook.io/optifi/optifi-in-depth/optifi-market-maker-omm/withdrawals-from-omm.md)
- [Options Contract Specifications](https://optifi.gitbook.io/optifi/optifi-in-depth/options-contract-specifications.md)
- [Account Summary](https://optifi.gitbook.io/optifi/optifi-in-depth/account-summary.md)
- [Fee Structure](https://optifi.gitbook.io/optifi/optifi-in-depth/fee-structure.md)