Composer

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Updated On June 16, 2025

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finance trading investment ai trading algorithmic trading no-code/low-code automation

Overview

Category: Finance

Pricing Model: Subscription

Composer is a platform that allows investors and traders to create and automate sophisticated trading strategies without writing any code. Users can build 'Symphonies' (investment strategies) using a drag-and-drop visual editor based on plain English conditions.

The platform provides tools for backtesting strategies against historical data to evaluate performance before deploying them live. Key strengths include its ease of use for non-programmers, robust backtesting engine, automated rebalancing, and the ability to discover and fork strategies from the Composer community. Composer aims to democratize quantitative trading, making complex strategies accessible and manageable for a broader audience.

Key Features

No-code visual strategy editor ('Symphonies')
Drag-and-drop interface for building logic
Extensive historical backtesting capabilities
Automated strategy execution with connected brokerages
Automated portfolio rebalancing
Access to community-shared trading strategies
Simulation mode for testing strategies in real-time without risk
Support for various asset classes (ETFs, Stocks, Crypto)
Performance analytics and reporting
Alerts and notifications

Supported Platforms

Web Browser

Integrations

Alpaca
Robinhood
Interactive Brokers

Pricing Tiers

Essentials

$30/month (or $24/month billed annually)

Up to $10k AUM
Unlimited Symphonies
Unlimited backtests
Automated trading (brokerage connection)
Historical backtesting (up to 5 years)
Strategy simulation
Community strategies
Daily rebalancing

Motif

$100/month (or $80/month billed annually)

Up to $100k AUM
Unlimited Symphonies
Unlimited backtests
Automated trading (brokerage connection)
Historical backtesting (up to 10 years)
Strategy simulation
Community strategies
Daily & Weekly rebalancing
Advanced backtesting (ETFs, Cryptos, US Stocks)

Allegro

$500/month (or $400/month billed annually)

Up to $500k AUM
Unlimited Symphonies
Unlimited backtests
Automated trading (brokerage connection)
Historical backtesting (up to 20 years)
Strategy simulation
Community strategies
Daily, Weekly, & Monthly rebalancing
Advanced backtesting (ETFs, Cryptos, US Stocks)
Dedicated account manager
Priority support

User Reviews

Composer is a powerful platform that allows me to build and automate complex trading strategies without having to code. The visual editor is intuitive, and the backtesting engine is fast and reliable.

Pros

Easy to use no-code interface, robust backtesting, good brokerage integrations, helpful community.

Cons

Pricing can be steep for higher AUM tiers, the learning curve for complex strategies can still exist, limited to available integrations.

Trustpilot

Great tool for automating my investment ideas. The ability to test thoroughly before going live gives me confidence. Customer support is also responsive.