Real-time matching engine

Trade on a realorder book.

Place limit orders, watch bids and asks update live, track fills in real time, and explore market history through a full exchange-style interface backed by a real matching engine.

Start Trading→How it works

Transport

WebSocket

Matching

In-memory

Messaging

Redis

Storage

TimescaleDB

BTC / USDC

Live order book

Spread

0.04%

PriceSizeTotal

77,496.352095

77,480.881283

77,465.421171

77,449.96559

77,434.491447

77,357.17▲

Last price

77,279.8544

77,264.38513

77,261.43222

77,248.92931

77,233.451140

Bid depth

47%

Ask depth

53%

System architecture

Built beyond the interface.

The trading screen is backed by separate API, engine, WebSocket, database-worker and market-maker services. The UI is only one layer of the system.

In-memory matching engine

Orders are processed against an in-memory order book so matching stays fast and deterministic.

Redis messaging

API commands and engine events move through Redis streams and pub/sub between independent services.

Persistent market state

Orders, balances, trades and historical market data are persisted in PostgreSQL and TimescaleDB.

Real-time WebSockets

Depth, trades and private order updates are pushed to the browser without polling the server.

Request flow

Browser

REST + WebSocket

API

Redis stream

Matching engine

Single logical writer

WebSocket server

Depth, trades, private updates

DB worker

PostgreSQL + TimescaleDB persistence