$10K or $100K? How to choose a prop firm account size

Almost every prop firm sells the same challenge in several sizes — often from $5K or $10K up to $100K or $200K. It is tempting to pick the biggest number you can afford. But the size you choose changes less than you might think about the rules, and more than you might think about how each trade feels.

This neutral explainer uses the plans in our dataset. Prices and limits change often, so always confirm the current figures on the firm's own site.

The percentages usually stay the same

At most CFD firms, the profit target and loss limits are percentages, and they do not change with size. A FundedNext Stellar 2-Step asks for 8% then 5% with a 5% daily and 10% overall loss limit whether you buy $6K or $200K.

What changes is the dollar value of those percentages:

• On a $10K account, a 5% daily limit is $500.
• On a $100K account, the same rule is $5,000.

The difficulty in percentage terms is identical. What differs is whether your normal position size fits comfortably inside the limit.

Fees scale — roughly in proportion

Larger accounts cost more, and the price usually rises close to in line with the capital. Some listed examples:

• FundedNext Stellar 2-Step: $59.99 for $6K, $549.99 for $100K, $1,099.99 for $200K.
• E8 Markets E8 One: listed at $48 for $5K up to $488 for $100K (we flag these prices as unverified).
• Topstep: a monthly subscription — $49/mo for the $50K Combine on the Standard Path, $99/mo for $100K, $199/mo for $150K.

So a bigger account is rarely "better value" per dollar of capital. It simply puts more fee money at risk on each attempt. See our breakdown of one-time vs subscription pricing for how resets and monthly billing add up.

Futures firms: fixed dollars, not percentages

Futures evaluations often state rules in dollars, and the buffer does not always scale neatly:

• Topstep: $50K Combine — $3,000 target, $2,000 trailing max loss. $100K — $6,000 target, $3,000 max loss.
• Apex Trader Funding: $25K intraday-trail — $1,500 target, $1,000 trailing drawdown; $50K — $3,000 target, $2,000 drawdown.

Notice that Topstep's target doubles from $50K to $100K, but the loss buffer grows by only half. The ratio between target and drawdown is what really sets difficulty — our target-vs-drawdown explainer covers this in detail.

Position limits grow with size too

Bigger accounts usually unlock bigger positions. Topstep allows 5 minis on $50K and 15 on $150K; Alpha Capital Group scales lot caps from 2.5 lots on $5K to 80 lots on $200K. If your strategy needs a minimum position size, a small account may not fit it at all. More in our lot and contract limits guide.

Questions to ask before you pick

• What is my usual risk per trade in dollars? Make sure several losing trades in a row fit inside the daily limit at that size.
• How much fee could I lose on an attempt? Treat the fee as a cost you may not get back.
• Does the size meet my strategy's minimum position? Check lot or contract caps.
• Do payout caps or scaling plans depend on size? Some firms tie these to the starting balance — see payout caps.

Compare sizes side by side

Our account comparison tool lists every size and price we track per plan. Each firm dossier shows the full rule snapshot, and the glossary defines terms like trailing drawdown and daily loss limit.

Key takeaways

• At most CFD firms, the percentage rules are the same at every size — only the dollar amounts change.
• Fees rise roughly in line with account size, so bigger is not automatically better value.
• Futures firms often use fixed dollar buffers that don't scale evenly with the target.
• Choose a size where your normal dollar risk fits comfortably inside the daily limit.
• Nothing here is investment advice; many challenge attempts fail, so only risk fees you can afford to lose.