# Hybrid CLOB + AMM

#### **The hybrid routing system delivers several key benefits:**

**For Traders**:

* **Best Execution**: Automatic routing to optimal prices
* **Reduced Slippage**: Large orders split intelligently
* **Guaranteed Fills**: AMM backstop ensures execution
* **Transparent**: Router logic is deterministic and verifiable

**For the Protocol**:

* **Risk Management**: Controls vault exposure dynamically
* **Market Balancing**: Corrects OI imbalances through routing
* **Stability**: Emergency modes protect during extreme conditions
* **Efficiency**: Liquidity utilized optimally across venues

**For Liquidity Providers**:

* **Balanced Exposure**: Routing prevents vault overload
* **Fair Pricing**: Oracle-aligned execution protects from adverse selection
* **Controlled Risk**: OI limits and utilization caps enforced
* **Predictable Returns**: Risk-adjusted routing improves LP economics

***

Traditional central limit order books (CLOBs) and automated market makers (AMMs) each bring distinct strengths and weaknesses to decentralized perpetual exchanges:

* CLOBs: Efficient price discovery, tight spreads, and better capital efficiency — but they rely on active market makers and can struggle with thin liquidity in long-tail markets.
* vAMMs: Always-on liquidity and permissionless participation — but they often suffer from higher slippage, impermanent loss, and less capital efficiency.

A hybrid model integrates both:

* AMM pools provide baseline liquidity that guarantees users can always enter or exit positions.
* CLOBs allow professional market makers and active traders to place limit orders, tightening spreads and improving depth.
* The system can route trades dynamically: small orders get filled against the book for optimal pricing, while large trades tap into AMM reserves to reduce slippage.

In this model, the order router intelligently prioritizes liquidity sources:

1. CLOB Liquidity First
   * Orders are matched against the central limit order book whenever possible.
   * This ensures traders get the best available price, with minimal slippage, while incentivizing professional market makers to provide depth.
2. AMM as Always-On Backup
   * If the CLOB cannot fully fill the order (e.g., large size or thin liquidity), the router automatically taps into the AMM pool.
   * This guarantees trade execution, even in illiquid or volatile markets, with predictable pricing from the pool.
3. Dynamic Routing & Price Improvement
   * Partial fills can be split: best price levels from the book first, then the remainder settled against the AMM.
   * This dual-source routing provides price improvement for traders while ensuring continuous market availability.

***


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