An evaluation is a constrained optimisation problem. Reach a profit target before you touch a loss limit, inside a set of behavioural restrictions, over a defined period. The market decides part of it. The rest is arithmetic that can be done on paper before a single order is placed, and skipping that step is the most common reason a fee gets burned.
Trading with leverage carries a high risk of loss, and an evaluation account concentrates that risk into a short window with a hard failure point. Nothing below changes that. What it can change is how many attempts end for a reason that had nothing to do with your read of the chart.
Read the rule sheet before the chart
Every firm publishes a rule document and every rule document contains at least one clause that surprises people. Print it and answer these questions in writing before funding an attempt.
- Is the maximum drawdown static from the start balance, or trailing behind your equity high, and does it trail on closed balance or on floating equity?
- Is the daily loss limit measured on realised results at position close, or on live equity including open positions?
- At what clock time does the daily counter reset, in which time zone, and what happens to a position held across that moment?
- Is there a minimum number of trading days, and what counts as a trading day?
- Is there a consistency rule limiting how much of the total profit one day or one trade may contribute?
- Which strategies are restricted: holding through scheduled news, weekend exposure, hedging across accounts, latency arbitrage, martingale style averaging?
Any answer you cannot find is a question for support, in writing, before you start. A screenshot of a support reply is worth having on the day a payout is reviewed.
Drawdown is the rule that ends most attempts
Two accounts can advertise the same drawdown percentage and behave completely differently. A static limit sits at a fixed level for the whole account life. A trailing limit follows your highest point, so an account that goes up and then gives some back can breach while still showing a profit. That distinction changes the correct position size.
Trailing rules punish the give-back pattern specifically: a strong run followed by a normal pullback. If your method produces choppy equity, a trailing account is a poor fit even if your annual result would be fine. The mechanics are worth understanding properly in what drawdown means, because most traders picture the static version while trading the trailing one.
The daily loss limit deserves the same attention. If it is calculated on equity rather than on closed trades, an open position that moves against you can breach the limit and close the account while you are still convinced the trade will come back. Know which definition applies before you hold anything through a volatile session.
Pacing: the arithmetic that sets your risk
Work backwards from the two constraints. Suppose the target is 8 percent, the maximum drawdown is 10 percent and the daily loss limit is 5 percent. Risking 2 percent per trade means five consecutive losses end the account, and five in a row is an ordinary event for almost any method. Risking 0.5 percent means twenty losses in a row would be needed, which is a different kind of unlucky.
The trade-off is time. At 0.5 percent risk and a 1:2 reward to risk ratio, you need a run of net winners to cover 8 percent, which will take weeks rather than days. That is the correct trade if the evaluation has no aggressive deadline, and firms increasingly do not impose one. Where a deadline exists, the honest question is whether your method produces enough setups inside it, and if it does not, the evaluation is the wrong product rather than the risk being wrong.
Set a personal stop that sits well inside the firm's. If the daily limit is 5 percent, stop trading for the day at 2 percent. If the total limit is 10 percent, treat 5 percent as your own failure point and go back to review rather than pushing on. Nobody has ever recovered a challenge by doubling size on day nine, and the pattern that follows is the one described in revenge trading.
The rules people break without noticing
Consistency rules cause more disputes than anything else. A rule that says no single day may account for more than a set share of total profit means one enormous winner can invalidate an otherwise clean pass, and it usually applies at the point of payout rather than during the evaluation. If you plan around a single big trade, plan again. The reasoning behind these clauses is set out in consistency rules explained.
News restrictions are the second. A rule prohibiting positions through high impact releases usually names the calendar it uses and a window on either side. Traders get caught by the window, not the release, closing at the announcement rather than several minutes before it. The prop firm view of this sits in news trading rules.
Third is the technical breach: a trade left open over the weekend when weekend holding is not permitted, an expert advisor that keeps a hedge open on a second account, or copying between accounts at two firms in a way that reads as coordinated. Automated risk systems flag these patterns without any human judgement involved, and the appeal is rarely successful because the log is unambiguous.
After the pass, the harder account
Passing is the easier half. The funded stage usually carries the same or tighter risk rules, a payout schedule with its own conditions, and the psychological problem of having something to lose. Traders who scaled size the moment they were funded frequently lose the account in the first month, which is the failure mode described in demo versus live psychology arriving one stage later.
Keep the same percentage risk you used to pass. Read the payout rules with the same care you gave the evaluation rules: minimum profit before a request, the frequency, the split, whether a payout resets any drawdown level. Then treat the first three payouts as the actual proof that the method survives contact with a real rule set, rather than the certificate you got for clearing the target.
"I have watched people fail a challenge on day two with a position they would never have taken on their own account. The fee is already spent. Trading bigger to get it back is how you spend the next one too."
— Alex Onta, Executive Director, SINGUARD
Key Takeaways
- Static and trailing drawdowns with the same headline percentage require different position sizes, because a trailing limit follows your equity high.
- Find out whether the daily loss limit reads closed trades or live equity, and what time the counter resets, before holding anything overnight.
- Size from the loss limit rather than from the target, and set a personal stop well inside the firm's.
- Consistency clauses, news windows and weekend holding are enforced by automated logs, so read them before the trade rather than during an appeal.
Frequently Asked Questions
What is the difference between a static and a trailing drawdown?
A static drawdown is measured from the starting balance and stays in one place for the life of the account. A trailing drawdown follows your highest point, so every new equity high moves the failure level up behind you. With a trailing rule a profitable account can still be closed by a modest pullback, which is why the two rules demand different position sizing even when the percentage looks identical.
Does a daily loss limit use closed trades or floating equity?
It depends on the firm and the rule sheet says which. Some measure realised profit and loss at the close of each position, others measure account equity continuously, meaning an open position moving against you can breach the limit before you have closed anything. Some also include swap and commission. Check which definition applies and at what time the daily counter resets.
Is it better to pass a challenge quickly or slowly?
Speed is usually achieved by increasing size, which increases the chance of hitting a drawdown limit before reaching the target. Where the evaluation has no time limit, or a generous one, there is no structural reason to hurry. Where a minimum number of trading days applies, rushing can also produce a technical failure even with the profit target met.