M1 Finance

M1 Finance occupies a unique niche as a hybrid between a robo-advisor and a self-directed brokerage. Its proprietary 'Pie' system lets investors build portfolios by selecting stocks and ETFs as slices of a pie chart, with automatic rebalancing to maintain target allocations. With no trading commissions and full support for fractional shares, M1 makes disciplined portfolio management accessible to investors with any account size.

The platform is purpose-built for passive, long-term investors. Scheduled deposits are automatically invested according to Pie allocations, and dividends are reinvested seamlessly without manual intervention. M1 also offers M1 Borrow, which allows eligible investors to draw a portfolio-backed line of credit at competitive margin rates — a powerful liquidity tool that avoids triggering a taxable sale.

M1 Premium at $3 per month (or $36 billed annually) unlocks a second afternoon trading window, lower interest rates on M1 Borrow, smart transfer automation, and tax-minimization features. The platform supports taxable brokerage accounts, traditional IRAs, Roth IRAs, and SEP IRAs, making it equally useful for everyday and retirement investing.

The core limitation is that M1 is designed exclusively for buy-and-hold investors. There is no options trading, no crypto, no charting or technical analysis tools, no paper trading, and no real-time order types beyond market orders. Active traders or anyone needing complex order routing will need to look elsewhere. M1 excels precisely because it removes the temptation to over-trade.