# Perp Mechanics

- [Overview](https://docs.trade.xyz/perp-mechanics/overview.md): Understanding an XYZ perpetual future.
- [Oracle Price](https://docs.trade.xyz/perp-mechanics/oracle-price.md): XYZ oracle price mechanics, including external and internal session mechanics.
- [Mark Price](https://docs.trade.xyz/perp-mechanics/mark-price.md): XYZ Mark Price mechanics.
- [External Price](https://docs.trade.xyz/perp-mechanics/external-price.md): Mechanics related to external perp pricing.
- [Discovery Bounds](https://docs.trade.xyz/perp-mechanics/discovery-bounds.md): Mechanics related to discovery bounds.
- [Funding](https://docs.trade.xyz/perp-mechanics/funding.md): Funding rate mechanics for XYZ perps.
- [Fees](https://docs.trade.xyz/perp-mechanics/fees.md): A note on fee structures.
- [Open Interest Caps](https://docs.trade.xyz/perp-mechanics/open-interest-caps.md)


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