What Is a Prop Firm? (2026 Definition)

Prop Firm: Definition and How the Model Works

By PropTrader1 2 min read Published October 29, 2026

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Prop firm is short for proprietary trading firm: a company that lets traders use its capital in exchange for a share of the profits. In the retail version that dominates today, you do not get hired - you pay an evaluation fee, pass a rule-based challenge on a simulated account, and then trade a funded account keeping typically 70-90% of what you make.

The model matters because it removes the two classic barriers to trading seriously: capital and personal risk. Your downside is capped at the evaluation fee; the firm's risk controls - drawdown limits, consistency rules, payout gates - are what let it offer large simulated accounts to strangers.

Worked example: a $100,000 evaluation might cost €540 with a 10% profit target and a 10% maximum drawdown (figures per FTMO's published price list, checked 25 October 2026). Pass, and the same firm funds you at $100,000; your first reward carries the split, and on a 2-Step the fee comes back with it.

Not all prop firms are the same model: some sell instant funded accounts with no evaluation, and futures firms run monthly-subscription combines instead of one-time fees. The full tour is in what a prop firm is, the fee mechanics are in what prop firms cost, and side-by-side choices sit in our prop firm rankings.

For the regulatory frame around leveraged retail trading, the ESMA investor corner is the reference point.

Part of the beginner glossary cluster and the full prop firm glossary.

Frequently Asked Questions

Why is a 50% drawdown harder to recover than a 10% one?

A 50% drawdown requires a 100% gain to recover, while a 10% drawdown only needs 11.1%. Recovery math is exponential. At 30% drawdown you need 42.9% to break even. This is why prop firms cap drawdown at 10-12% rather than higher percentages.

What is the 3-5-7 rule in forex?

The 3-5-7 rule suggests risking 1-3% per trade, keeping total open risk at 5% or less, and limiting single market exposure to 7%. It is a general risk guideline, not a prop firm rule, but following it naturally keeps you within most max drawdown limits.

What is a good maximum drawdown?

For prop firm trading, keeping your actual drawdown under 5% is excellent. Most firms allow 10-12%, but staying well below the limit demonstrates strong risk management and gives you a buffer for unexpected market events.

Is maximum drawdown calculated on balance or equity?

It depends on the firm and drawdown type. Static drawdown is typically calculated on starting balance. Trailing drawdown follows your highest equity. Some firms include floating losses in their calculation, making equity the relevant measure.

What happens when you breach maximum drawdown?

Breaching maximum drawdown results in immediate and permanent account closure. All positions are closed automatically, the challenge is terminated, and there is no refund or appeal. It is the final rule with no second chances.

What is the difference between daily drawdown and maximum drawdown?

Daily drawdown resets every day and limits your loss within a single session. Maximum drawdown is cumulative across the entire challenge or funded period. You can breach max drawdown through many small daily losses that accumulate over time.