Types of Brokerage Accounts: Cash, Margin, and Retirement
Brokerage accounts come in three main types — cash, margin, and retirement — each with different rules and uses.
Types of Brokerage Accounts: Cash, Margin, and Retirement
Not all brokerage accounts are the same. The account type you open determines what you can trade, how much risk you can take, and what tax rules apply. The three main types — cash, margin, and retirement — each serve a different purpose.
1. Cash Account
A cash account is the simplest type. You can only trade with money that has settled in your account — no borrowing, no leverage, no margin calls, and no short selling. It is limited by settlement time (T+1 for US stocks). Best for beginners learning the basics, conservative traders, and anyone who wants to avoid debt risk. The limitation: if you sell a stock today, you may need to wait until settlement before reusing those funds — otherwise you risk a good faith violation.
2. Margin Account
A margin account lets you borrow from your broker to open larger positions. This unlocks leverage and short selling, with borrowing power based on account equity and no waiting for settlement to reuse funds. Best for active traders, day traders, and those who use leverage intentionally.
Pattern Day Trader (PDT) rule: in the US, if you make 4 or more day trades within 5 business days in a margin account (and day trades are more than 6% of your activity), you are flagged as a PDT and must maintain at least $25,000 in equity.
3. Retirement Accounts
Retirement accounts — such as the IRA in the US or SIPP in the UK — are designed for long-term saving with tax advantages.
- Traditional IRA — contributions may be tax-deductible; withdrawals taxed as income.
- Roth IRA — contributions are after-tax; qualified withdrawals are tax-free.
- 401(k) — employer-sponsored plan with higher contribution limits.
Choosing the Right Account Type
If you are just starting out, open a cash account and keep it simple. If you want to day trade or use leverage, a margin account is required — but understand the PDT rule. If you are saving for retirement, a retirement account offers tax benefits that beat most trading strategies. Many people hold both a retirement account for long-term savings and a separate cash or margin account for active trading. If you are new, start with a cash account — it forces discipline, prevents debt, and lets you focus on learning rather than managing leverage. You can always upgrade to a margin account later, once you have a strategy that consistently performs and a clear understanding of risk.