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Why Traders Fail Prop Challenges and How to Avoid It

Updated 2026-11-04 · 5 min read

A challenge attempt can end in three main ways: you break a loss limit, you break a rule you did not know about, or you change the way you trade under pressure. All three are mostly avoidable, and this guide goes through the mistakes in turn and says what to do instead. Every account is a simulated (demo) account, but the limits and rules apply in full.

Mistake 1: Oversized trades

A large risk per trade can use most of a day's cushion in one position. On a 100K account, risking 2% means 2,000. Three full losses in a row reach 6%, which passes the 5% daily limit on the Two-Step and the 3% daily limit on the One-Step.

Instead: pick a small, fixed percentage and write it down. Work out the trade size from that percentage, not the other way round.

Mistake 2: Forgetting floating losses

Both loss limits are equity-based, so open trades count. A balance that looks safe can sit on top of an equity figure that is already near the floor.

Instead: keep the equity figure visible. Count total open risk, not just the trade in front of you.

Mistake 3: Trading to get even

After a loss, the urge to win it back at once is strong. Adding to a loser, or raising your size to catch up, turns a small dip into a breach very quickly.

Instead: have a written rule for what you do after two or three losses, and a personal daily stop at about half of the plan's limit.

Mistake 4: Rushing the target

Both plans have a 10% target for the first step, and the Two-Step has 5% in the second. It is tempting to chase them in a burst. But there is a minimum of 5 trading days in each challenge step, and a fast start is not a reason to raise your size.

Instead: treat the minimum days as a floor and trade calmly across them.

Mistake 5: Not knowing the rules beyond the loss limits

Several rules catch people who only read the percentages.

  • News window. Orders executed within 5 minutes before or after covered events are restricted.
  • Gap and earnings positions. Positions designed to exploit close-to-open gaps or earnings announcements are forbidden. The terms give single-share equity CFD positions held into an earnings release as an example.
  • Off-the-shelf pass strategies. Strategies advertised as ways to pass a challenge are forbidden where they are used to manipulate, abuse or get around the rules or gain an unfair advantage.
  • Exploiting errors. Taking advantage of pricing errors, latency or system malfunctions is forbidden.

Instead: read the rules in full before you purchase, and again before the funded stage. For the news window in detail, see the news trading rule explained.

Mistake 6: Copy-style and shared trading

The program is for your personal use only. The terms prohibit:

  • letting anyone else access, control or trade on your account;
  • trading, managing or operating another user's account, or offering account management or copying services tied to the program;
  • running identical or substantially similar trades at the same time across multiple accounts, alone or with others, without written permission;
  • trading from external third-party data feeds or outside material that is not meant for the program.

Accounts also cannot be shared, sold, transferred or given away. Penalties include capital reduction, account cancellation and termination, and they can reach all linked accounts.

Instead: trade your own plan, on your own account, yourself.

Mistake 7: Changing behaviour between phases

Using materially different strategies, risk or execution in the funded stage from the ones you used to pass is forbidden.

Instead: practise the way you intend to trade when funded. If you change your approach, do it gradually and for a reason you can write down.

Mistake 8: Going quiet

An account with no trades for 30 calendar days closes automatically, with no refund.

Instead: keep the account active, and set yourself a reminder if you take a break.

Mistake 9: Verification slips

KYC can be requested at any stage and is mandatory before any payout. Details that do not match your purchase information, or false information, can lead to refused access or termination. Using a VPN or proxy to get around location restrictions is a material breach.

Instead: give accurate information from the start and keep your documents ready.

Putting it together

Most of these mistakes share one root: a decision made quickly, with no plan written down. The fix is rarely a better entry. It is a short list of rules you made when you were calm, kept where you can see them, and followed even when the day is going badly.

What the penalties look like

If a forbidden practice is found, the program may exclude trades from your results, deny or cancel a Reward, suspend or terminate the account, and apply those measures across linked accounts. Fees can be forfeited. These decisions rest with the operator, FX-EDGE V Ltd.

A short pre-session routine

  1. Re-read your risk per trade and your personal daily stop.
  2. Check the news calendar and write down the windows.
  3. Check open positions and pending orders.
  4. Check how many days you have traded and when your last trade was.
  5. If you feel rushed or annoyed, do not trade yet.

For positive habits that work together with this list, read how to pass a prop challenge.

Key points

  • Three mistakes to watch first: oversizing, forgetting floating losses and trading to get even.
  • Learn the rules beyond the percentages: the news window, forbidden practices and personal-use rules.
  • Copy-style trading, shared accounts and identical trades across multiple accounts are restricted.
  • Keep your behaviour consistent between the challenge and the funded stage.
  • Keep the account active, and give accurate details for verification.
  • Nobody can promise a pass. The aim is to remove the mistakes you can control.

FAQ

What is the most avoidable mistake in a challenge?

Oversizing trades. A large risk per trade can use most of a daily loss cushion in a single position. Choose a small, fixed risk per trade and keep it steady.

Can I copy someone else's trades on my challenge account?

No. The terms prohibit letting anyone else trade your account and running identical or substantially similar trades at the same time across multiple accounts without written permission. Penalties include capital reduction, account cancellation and termination.

Does breaking one rule end the account?

It can. Penalties can include excluded trades, a denied or cancelled Reward, and account suspension or termination. A single material trading-rule breach can be treated as a material breach.

General information only, not investment advice. All Sterling Pips accounts are simulated (demo) accounts.

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