Minimum to invest

The deposit minimum is $50.00. However, we recommend investing a minimum of $2,500 across your portfolio to avoid unfilled orders. Users who joined Composer and have an account with our brokerage partner, Apex, have access to limited margin with any dollar amount. This may not apply to accounts with our brokerage partner, Alpaca, unless you have an account with over $2,000.

This does not change our recommendation of a $2,500 minimum investment. 

There are two reasons for this suggested minimum:

  1. Symphonies can contain fractionable and non-fractionable assets. We can place orders for fractionable assets for exact dollar amounts needed to match intended symphony allocations (e.g., purchase $100 of SPY). For assets that are not fractionable, we will round down purchases to the nearest share. If you do not have enough funds to purchase one full share of a non-fractionable asset, then the money allocated to this asset following symphony logic will instead be kept in cash.
  2. The ability to use margin if necessary. Margin is enabled on Apex and Alpaca for accounts with over $2,000, and, very rarely, we use small amounts of margin to fully execute buys/sells that would not be filled without access to margin. Margin makes it possible for us to utilize 100% of your portfolio and is for settlement purposes only. We suggest a buffer of at least an extra $500 (bringing up the portfolio minimum to $2,500) to maintain margin in case one or more of your symphonies loses value. Because of volatility in the market and transaction fees, in order for us to execute a trade using the percentage allocations in a symphony, we sometimes need to place a buy order that’s slightly more than what your cash balance is in your portfolio. This amount is very small (generally <$1) and is unlikely to lead to margin calls or any other dangers that come with leveraged trading—however, without it, we’d consistently be under-allocating your funds, losing potential returns. It also can cause the entire trade to fail, leading to a failed rebalancing. We have measures in place to avoid the use of margin and have regular checks in place to determine if margin would be used at the next trade and to make corrections before margin is used.

What happens if I invest less than $2,500?

We currently have a required minimum of $50 in each symphony, which makes it possible to invest with less than $2,000 in your account but restricts your account’s use of margin. By investing a smaller amount, you may experience some of your portfolio being left in cash (e.g., due to the use of non-fractionable assets), missing out on exposure to the assets you’ve selected.

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