Invest in Your Symphonies

If you invest in a symphony, Composer will automatically make the trades specified by the symphony on your behalf in your brokerage account. Our brokerage partner is Alpaca.

The first thing you need to do to invest in a symphony is to connect your Alpaca live trading account to Composer. 

If you already have a funded Alpaca live trading account and it’s connected to Composer, skip down to the Investing in a symphony section, below.

Connecting to an Alpaca brokerage account

If you don’t have one yet, set up an Alpaca live trading account. Head over to if you are a US resident or if you live outside of the US. Create a new account and open a live trading account. Yes, there’s some paperwork to get through, but it’ll be worth it!

Fund your Alpaca account with a minimum of $2,000. Having an account of $2,000 or more automatically gives you access to margin for your account, which Composer needs to sell and buy assets on the same day when executing a symphony. 

If you’ve already been actively using your Alpaca account to trade and use any external platforms to do so, make sure to disconnect them from your Alpaca account using the OAuth Apps menu item before connecting Composer. We also require you to not make any manual discretionary trades in your Alpaca account while using Composer. 

To connect your Alpaca account to Composer, follow the “Connect to Alpaca” link from the user menu in Composer.

Grant permission for Composer to make trades in your Alpaca account and wait for the confirmation of the connection.

You’re now ready to invest.

Investing in a symphony

Choose a symphony in Composer and click “Invest”. 

Decide the amount you’d like to invest in the symphony. 
Composer will start trading in your Alpaca account following the symphony structure with this amount of money during the next trading period. The Composer trading period is from 3:00 to 4pm Eastern on days the market is open. 

We’ll make the first trade during the next trading period. After that, we’ll follow the trading frequency of the symphony and make the appropriate trades during the trading period on the next day that your symphony is set to trade. For example, after investing in a symphony trading monthly, the next trading day would be the first trading day of the next month. 

Repeat the same process for any other symphonies you’d like to invest in.

Click on Invest to see all the symphonies you’re invested in.

On this page, you can see information about your symphonies and the assets they contain. All of the values you see here are delayed by 15 minutes.

In the table, you’ll see information on individual symphonies: how much money you invested into each one (the net deposits), the current value, how long you’ve been invested in each one, and how often the symphonies trade.

You can open up individual symphonies to see the assets they’re currently holding.

If you’d like to add more money to a symphony you’ve already invested in, click Invest and choose the amount of money you’d like to add to your investment. This additional investment will be made during Composer’s next trading period.

If you want to invest more than what you currently have available, add funds to your live trading account in Alpaca.

If you’d like to remove funds that you have invested in a symphony, click Sell. Choose how much of the total current value of the assets making up your symphony to sell. Please note that the current value you see here is delayed by 15 minutes. Composer will make the appropriate trades during the next trading period.

After you sell part of your investment in a symphony, we’ll resume following the symphony’s set trading frequency.

If you ever want to completely sell out of a symphony, choose Sell All. Composer will sell all of the assets making up your chosen symphony. You can liquidate symphonies immediately while the market is open before the day’s trading period.

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