> ## Documentation Index > Fetch the complete documentation index at: https://docs.hadron.fi/llms.txt > Use this file to discover all available pages before exploring further. # Curves ## Curves in Hadron At a high-level, curves allow makers to express **parameterized functions**. Curves determine the following: 1. **Price Curve**: *"I have defined a mid-price and base spread, but how do my quotes scale if a user tries to swap 1, 10, 100, 1000, 10000 SOL?"* 2. **Risk Curve**: *"I just received multiple orders within or across blocks, how do I automatically change my quotes now that my inventory is imbalanced?"* *Take a look at this amazing project put together by the Ghost Team, where you can see how different PropAMM quotes change as a function of volume. These graphs, in Hadron, can be thought of as Price Curves:* [*https://sandwiched.me/experiments*](https://sandwiched.me/experiments) ## Curve Types Each side of the market (bid and ask) has its own pricing curve. **These curves define how price changes as a function of input size**. They allow makers to express spread ladders, nonlinear depth, and asymmetric behavior between buying and selling. A curve is defined by a set of control points - example curve constructed [here](https://docs.hadron.fi/examples/bid-and-ask). Inventory curves apply an additional spread based on the pool’s current base/quote balance. They allow makers to: * Penalize trades that worsen imbalance * Incentivize trades that rebalance inventory * Express risk as a continuous function of inventory Importantly, inventory skew is applied without canceling or reposting orders, **enabling real-time risk adjustment and reducing intra-block pickoff**.