Would your last 30 days have passed this prop firm?

The same engine live guards run on

The simulator does not have its own idea of what a prop firm's rules mean. It maps a published preset into the same rule-set shape FxMind's guards use on a real, live account, and runs it through the exact rule engine that evaluates a live account every day. A pass or fail here can never quietly disagree with what the live guards would have said on the day itself, because it is not a second, simplified copy of the logic.

Forex presets only

FxMind's guard catalogue holds forex prop-firm presets (10 firms, 641 presets): firms such as FTMO, FundedNext, The5ers, E8 Markets and Alpha Capital Group, each with their own published rules, phases and sizes. The simulator only accepts one of these. A firm outside the forex catalogue is refused the same way a preset that does not exist is, because this product is forex only.

Day by day, on the firm's own clock

You choose the firm, program, phase and starting size, plus a window (1 to 365 days, 30 by default, which is where the "last 30 days" question comes from) and a starting balance, as if a fresh challenge had started that many days ago. Nothing here is saved to a real rule set; it exists only for the check. Each of your closed trades in that window becomes a synthetic pair of deals, evaluated against the rules the moment it closes, plus once at the end of any day with no trade at all, so a day-counting rule or a challenge deadline still moves forward on a quiet day.

What comes back

• Pass or fail for the whole window.
• The day and the rule of the first breach, if the window has one.
• Every rule's closest call: whether it ever broke, the day it did, and the highest percentage of its own limit your trades reached across the whole window, even for a rule that held.

It keeps replaying through the entire window even after a first breach, on purpose: a challenge that would have ended on day 6 still tells you how close day 19's news trade came to the same daily loss limit, which a tool that stopped at the first failure never would.

What it does not pretend to know

The replay has no open-position floating equity between trades, the same simplification Monte Carlo uses: every trade is flat before the next one starts, because the simulator only has each trade's own closed result, not tick-by-tick equity while it was open. And it only evaluates the rule types the general rule engine already implements; a rule needing live position or margin data a closed-trade replay cannot supply reads as "no data" rather than a wrong number. The result is always framed as "under this preset's rules as we have them, checked on \<date\>": a hypothetical check against a preset, never the firm's own decision.

Which plan includes it

Pro and above (Elite and Desk included), the same line as the execution audit and the daily review. It shares its page and account picker with Monte Carlo, so switching between "would I have passed this preset" and "what range of outcomes could my results produce" is one page, not two separate tools to learn.

The 14-day trial is Pro, no card, so you can run it on your own trades before paying. Practise a prop challenge, on every plan, covers the other direction: you trade a past market under the firm's rules and the run stops at the rule you break. See /features and /pricing.