# Hybrid model

> Keeping most flow in-house (B-book) and routing selected traders or trades to the market (A-book), chosen by rules.

**Source:** https://proptechpal.com/glossary/hybrid-model  
**Generated:** 2026-09-24  
**Publisher:** Prop Tech Pal — independent prop firm technology comparison

_Disclosure grades measure what a vendor publishes, never product quality. A vendor publishing a weak SLA scores better than one publishing none._

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Also called: A/B-book routing

## Why it matters

Needs A/B-book routing in the risk engine or bridge, plus the liquidity and bridge costs of the A-book side.

## Where it applies

- [Prop firm liquidity providers and bridges](https://proptechpal.com/categories/liquidity-bridges)
- [Prop firm risk management software](https://proptechpal.com/categories/risk-management)

[The full glossary](https://proptechpal.com/glossary)