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Composer is an automated trading platform.
Build a portfolio of hedge fund-like strategies. In a snap.
No more spreadsheets, no more manual trades.
Create dynamic strategies with a no-code visual editor.
Watch your trades execute automatically.
Composer is built for investors who want to make better decisions, dynamically react to real-world events and express a unique worldview.

How does it work?

Create strategies from a set of simple but infinitely combinable building blocks.
Discover Composer’s collection of ready-made strategies.
Follow strategies you’re interested in to see how they perform in real time.
Invest in your strategies. Build a portfolio and see it trade live.
Free to use in beta · Trading is currently only available with our brokerage partner Alpaca

Create

Use a no-code visual editor to create and modify strategies.
Start by making some picks.
Then, apply weighting.
If this, then that.Add conditionals to control the flow of logic.
Sort, filter, select. 

Start with a pool of candidates and dynamically select those that meet your criteria.
Learn and adapt
Backtest your strategy. Compare it to a benchmark or to another strategy.
Learn from what you see. 

Tinker and try it out again. And again.
Learn and adapt
Backtest your strategy. Compare it to a benchmark or to another strategy.
Learn from what you see. 

Tinker and try it out again. And again.
Share what you build
Share your strategy with others. They’ll be able to test it and invest.

Discover

Choose from our growing collection of ready-made strategies
Explore momentum, paired switching, and other hedge fund-like styles.
Open up a strategy to view its performance and live holdings. See how it works in both visual form and in plain language.
Use the strategies as is, or edit as you wish.
See how the strategy works in plain language
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View symphony
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View symphony

Follow

Follow strategies to see how they perform in real time.
Track how the value changes day-to-day and how much an initial investment would be worth now.
Develop an intuition about what strategies perform well in different market conditions.

Invest

Build your portfolio by investing in strategies. Monitor performance and watch them trade live.
To invest, connect Composer to an account with our brokerage partner, Alpaca.
Track strategy performance in real time and drill down into the assets they contain.

Make changes by buying into and selling out of strategies.
About Us
What if the experience of managing investing strategies not only didn’t suck, but actually delighted? Our mission is to create investing software that feels fun, stimulating and creative.

We are funded by investors including First Round Capital and Golden Ventures.
Vision
Learn about our vision for the future and what we’re building next.
Composer is a registered investment advisor with the US Securities and Exchange Commission (SEC). While such registration does not imply a certain level of skill, it does require us to follow federal regulations that protect you, the investor. By law, we must provide investment advice that is in the best interest of our client.

With any investment, your capital is at risk. The value of your portfolio with Composer can go down as well as up. Past performance is no guarantee of future results.

For further details see our Legal Disclosures. By using this website, you accept our Terms of Service and Privacy Policy.