Step 1: Choose a Broker

The right broker depends on what you intend to do with the account. A long-term investor buying ETFs once a month has different needs from a short-term trader placing several orders a day. The factors below are the ones that actually matter at the comparison stage.

FactorWhat to Look For
CommissionsThe major US online brokers all offer $0 commissions on stocks and ETFs. Penny stock and OTC commissions can still vary.
Account minimums$0 for most cash accounts. Margin accounts typically require $2,000 or more.
Platform and toolsReal-time quotes, charting, screeners, mobile app. Active traders need more than long-term investors do.
ResearchAnalyst reports, earnings estimates, fundamental data. Some brokers bundle Morningstar or S&P research at no extra cost.
Order typesConfirm support for limit orders, stop-loss orders, and trailing stops.
Customer servicePhone support, live chat, response times. This matters most when an order goes wrong, not when everything is fine.
OTC and penny stock accessNot every broker routes orders to the OTC Bulletin Board or Pink Sheets. If penny stocks are part of the plan, verify this in writing before opening the account.

The major US online brokers are Charles Schwab, Fidelity, E*Trade, and Interactive Brokers. For a first account, Fidelity and Schwab are the simplest entry points: no minimums, $0 commissions on stocks and ETFs, solid research, and reliable phone support. (In Europe the equivalents are Trading 212, DeGiro, and Interactive Brokers — same idea, different ticker universe.)

Step 2: Choose the Account Type

Two decisions sit on top of each other here: cash vs. margin, and taxable vs. retirement. They are independent — a single account can be cash-and-taxable, cash-and-IRA, or margin-and-taxable.

Cash Account vs. Margin Account

  • Cash account. Trades use only the money already deposited. No borrowing, no leverage. Settlement is T+1 in the US since May 2024 (it was T+2 before), so cash from a sale is available for a new purchase the next business day. This is the right starting point for almost everyone.
  • Margin account. The broker lends against the value of the portfolio, which allows leveraged positions and is also the account type required for short selling. Most brokers require a $2,000 minimum to enable margin. Leverage cuts both ways and is a poor fit for a first account — a year of consistent results in a cash account is the usual prerequisite.

Taxable vs. Retirement Account

  • Taxable brokerage account. No tax advantages. Capital gains are taxed in the year they are realised, and capital losses can offset gains (and a limited amount of ordinary income). No restrictions on withdrawals. This is the standard account for active trading.
  • IRA (Individual Retirement Account). Tax-advantaged. Traditional IRA contributions are typically deductible and withdrawals in retirement are taxed as income. Roth IRA contributions are not deductible, but qualified withdrawals are tax-free. The 2024 contribution limit is $7,000 per year under 50 and $8,000 for 50 and older. Early withdrawals before age 59½ generally trigger a 10% penalty plus tax. IRAs suit long-term investing rather than active trading, partly because of the contribution caps and partly because losses inside an IRA cannot be deducted.

A common setup is one taxable account for active trading and one IRA (or employer 401(k)) for retirement contributions, kept strictly separate so the strategies don’t bleed into each other.

Step 3: Open the Account

The application is short and almost entirely standard across brokers. The information requested is:

  • Personal information. Full name, address, date of birth, Social Security number (or equivalent tax identifier for non-US residents).
  • Employment information. Employer name and occupation. This is a regulatory requirement, not a credit check.
  • Financial information. Annual income, net worth, liquid assets, investment experience. The broker uses this to decide whether to approve options, margin, or other elevated-risk products.
  • Bank account. Routing and account number for ACH funding. The first transfer often involves small test deposits to verify the link.

Most cash account applications are approved within one to three business days. Several brokers now offer near-instant approval for straightforward cases.

Step 4: Fund the Account

Funding options are ACH transfer (free, 1–3 business days), wire transfer (same day, usually a $25 fee on the sending side), or a mailed check. Many brokers allow trading to begin immediately on a “good faith” basis while the ACH clears.

How much to deposit at the start has no single answer, but the practical brackets are:

  • $500–$1,000. Enough for a handful of positions in individual stocks or ETFs. Useful for learning order entry, settlement, and tax reporting at low stakes.
  • $2,000–$5,000. Allows meaningful diversification across 5–10 positions and is a realistic starting point for someone serious about building a portfolio.
  • $25,000+. The minimum required by FINRA to be classified as a pattern day trader (four or more day trades within five business days in a margin account). Day trading is not a sensible starting point regardless of the balance.

The hard rule on funding: only deposit money that, if lost entirely, would not affect rent, food, or any other obligation. The brokerage account is the wrong place for emergency cash and the wrong place for short-term savings.

Step 5: Place the First Trade

Once the account is funded, the order ticket is the same on every platform:

  1. Search for the stock by company name or ticker symbol.
  2. Review the quote — last price, bid/ask spread, daily volume.
  3. Select the order type. A limit order is the right choice for a first trade, with the limit price set at or just above the current ask.
  4. Enter the share quantity.
  5. Review and submit. Double-check the ticker, the side (buy or sell), the quantity, the price, and the order type before confirming.

The order is the easy part. The harder part — deciding when to sell, how much capital to commit, and how to size positions consistently — is the subject of the rest of this guide.

Before Real Money: Paper Trading

Most major brokers offer paper trading, also called simulated or demo trading: a practice account that uses live market data and a fake balance. Two to four weeks of paper trading is enough to learn the platform, test an order routine, and confirm that the basics — entries, stops, exits — can be executed without hesitation. Paper trading does not replicate the psychology of risking real capital, so it is a poor measure of future profitability, but it is an excellent measure of platform competence. If the platform itself is the obstacle, that needs to be solved before any real money is involved.

See also: What Is a Stock? · Order Types · What Is Margin Trading? · Position Sizing and Risk Management · ETFs