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Orders placed through a brokerage are financed through one of two account structures: a cash account, funded entirely by the investor's own capital, or a margin account, in which the broker extends credit against the account's value.
This article explains how each account operates, compares the two structures across key dimensions, and outlines the investor profile suited to each.
How Does a Cash Account Work?
A cash account operates on a simple structure: every trade is funded entirely by the investor's deposited funds, and each purchase must be paid in full by the settlement date. Because no borrowing is involved, the account incurs no interest charges, and its buying power always corresponds to the settled cash balance.
This structure imposes an inherent limit on exposure, and the same limit defines the risk profile: losses cannot exceed the capital invested. The cash account therefore suits investors who prioritize defined costs and contained exposure. In the margin account vs cash account decision, it is the common starting point.
How Does a Margin Account Work?
A margin account operates on a different principle: the broker advances funds to the investor, secured against the cash and securities in the account.
The margin loan raises the account's buying power above the deposited capital, allowing positions larger than the investor's own funds would otherwise support. The account structure also permits investors to borrow securities, which enables supporting a wider range of trading strategies. Interest accrues on the outstanding balance for the duration of the borrowing, and the enlarged position base amplifies both gains and losses.
Should collateral value fall below the required level, the broker may issue a margin call or sell holdings to restore the margin requirement, and in adverse conditions, losses may exceed the initial deposit.
Margin Account vs Cash Account: What Are the Key Differences?
The two account structures differ across five dimensions, each of which bears directly on investment outcomes.
Dimension | Cash Account | Margin Account |
Funding source | Investor's own deposited cash | Investor's funds plus money borrowed from the broker |
Buying power | Limited to settled cash | Extended beyond deposited cash through leverage |
Cost | No interest charges | Interest accrues on the borrowed balance |
Risk exposure | Capped at the capital invested | Amplified; losses may exceed the initial deposit |
The funding source underpins every other distinction in the table. Because a cash account operates solely on the investor's own capital, buying power, costs, and risk remain within the boundaries of the deposit, whereas a margin account expands each boundary: borrowed funds raise buying power, the loan introduces an ongoing financing cost, and leverage magnifies outcomes in both directions.
The margin account vs cash account choice, moreover, is not fixed at account opening: a cash account can generally be upgraded once the investor meets the broker's eligibility requirements.
Which Account Type Suits Your Situation?
The margin account vs cash account decision rests on an investor's experience, investment objectives, and risk tolerance. The following scenarios serve as general reference points:
Building experience with a first portfolio. Because every position in a cash account is paid for in full and no interest accrues, newer investors can develop familiarity with market behavior without the added complexity of leverage.
Holding investments for the long term. Buy-and-hold investors derive limited benefit from borrowed buying power, and a cash account eliminates financing costs over the holding period.
Trading actively with an established track record. Experienced investors who understand leverage and monitor positions closely may find that a margin account supports larger positions and additional strategies, including short selling.
Pursuing short-term strategies. A margin account for day trading appeals to a segment of active traders, although frequent leveraged trading concentrates risk considerably and is not appropriate for most investors.
Eligibility is a further consideration. In Australia, a margin loan account is a regulated credit facility, and brokers assess applicants before approving access. The individual investor remains responsible for assessing the margin account vs cash account choice against personal circumstances, and may seek independent advice from a licensed adviser where appropriate.
How Does Tiger Brokers Support Both Account Types?
Rather than treating the margin account vs cash account as mutually exclusive, Tiger Brokers makes both available to investors: a cash account for fully funded investing and a margin account for eligible investors seeking leveraged trading.
The cash account provides fully funded access to the same market coverage — US, Hong Kong and ASX stocks and ETFs, as well as China A-shares — with no interest costs and settlement drawn entirely from deposited funds.
For the margin account, Tiger Brokers builds on that foundation, combining leverage of up to 4x on eligible stocks with margin interest of 7.99% p.a. across USD, HKD, CNH and AUD balances, and adding long and short positions, a broader strategic range than a cash account permits! Investors should be aware that leverage can amplify investment outcomes, both positive and negative.
How to Open a Margin Account at Tiger Brokers?
For investors asking how to open a margin account, there are two ways:
New users select "Margin Account" at registration and submit the required information for approval;
Existing users who have met the eligibility criteria can upgrade directly, owning two types of accounts for trading
Conclusion
The margin account vs cash account comparison ultimately turns on one structural difference: whether trades are funded solely by the investor's own money or partly by funds borrowed from the broker, and every other contrast in buying power, cost, risk, and strategy follows from it.
A cash account involves no borrowing costs, and losses cannot exceed the capital invested — characteristics that generally suit longer-term and newer investors. A margin account increases buying power and broadens the range of available strategies, but introduces interest charges and amplified risk. This trade-off is best suited to experienced investors with the risk tolerance to manage it.
Opening an account with Tiger Brokers takes only a few steps on our website or in the Tiger Trade app. Once approved, investors gain access to US, Hong Kong, and China A-share markets at competitive brokerage rates.
Disclaimer: Margin trading involves significant risks. Leverage can magnify both gains and losses, and investors may lose more than their initial investment. Margin calls may require additional funds or the sale of assets. Investors should carefully consider whether margin trading is appropriate for their circumstances. See FSG, risk disclosures, PDS, TMD and T&Cs via our website before trading. Tiger Brokers (AU) Pty Limited ABN 12 007 268 386 AFSL 300767
