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Re: Everything you need to know about prop firms

Posted: Mon Aug 31, 2026 4:01 pm
by Fairman
The consistency rule, worked as an actual probability problem

A common consistency requirement caps any single day's profit at some percentage of total evaluation profit.

Say, no single day can represent more than 30% of the total.

If your strategy has a right-skewed return distribution — mostly small, steady wins with occasional larger ones, which is genuinely common for trend-catching setups — there's a real, calculable chance your best single day exceeds that 30% cap.

Purely from natural variance. Even though your process never changed.

Roughly: if your daily P&L has meaningful variance relative to your target total, the probability that your single best day among, say, 15 trading days claims more than 30% of the cumulative total is higher than most traders intuitively expect.

Closer to genuine coin-flip territory for strategies with lumpy return profiles. Not a rare edge case.

Firms with strict consistency rules are structurally harder to pass for lumpy strategies.

Independent of whether the strategy is actually good.

Re: Everything you need to know about prop firms

Posted: Mon Aug 31, 2026 4:02 pm
by Fairman
The5ers' lower starting split versus FundedNext's higher one — as an expected value comparison

The5ers commonly starts splits lower, in the 50% range.

Climbing toward 100% at the top scaling tier, over time.

FundedNext starts meaningfully higher — up toward 95% with add-ons — from close to day one.

Expected value over a defined time horizon is what actually matters. Not the headline split alone.

If The5ers' structure gets you to a materially larger funded account by month twelve, because of how its scaling tiers compound, a lower starting split multiplied against a bigger base can out-earn a higher split multiplied against a smaller, slower-growing base.

Run it as:

funded size × profit split × your expected monthly return %

Do that for each firm, projected across the same time horizon.

Rather than comparing split percentages in isolation.

The bigger number on the label isn't automatically the bigger number in your account twelve months out.

Re: Everything you need to know about prop firms

Posted: Mon Aug 31, 2026 4:03 pm
by Fairman
One-step versus two-step, as a pass-probability trade rather than a preference

A one-step challenge asks you to hit one profit target, under one set of drawdown rules, in a single window.

A two-step challenge splits the same overall bar into two smaller, usually more forgiving targets across two separate windows.

If your per-trade or per-day probability of a rule-breaching event is p, a one-step challenge exposes you to roughly one continuous window of that risk.

A two-step challenge, even though it takes longer in calendar time, often reduces the per-phase target enough that your probability of a breach in either individual phase is lower than your probability of a breach across an equivalent-length one-step window with a bigger single target.

In plain terms — two-step firms are usually giving you a statistically easier path per phase.

In exchange for needing to clear two phases instead of one.

Faster isn't automatically higher-probability.

Do the target-size versus drawdown-room comparison per phase before assuming the one-step route is the shortcut it markets itself as.

Re: Everything you need to know about prop firms

Posted: Mon Aug 31, 2026 4:03 pm
by Fairman
The expected cost of passing, once you include the probability of failing your first attempt

A $550 challenge fee is not what passing actually costs you.

Not if your realistic first-attempt pass probability is, say, 25% — a number roughly in line with industry-discussed pass rates for standard two-step evaluations among traders without a long proven track record yet.

Expected cost to eventually pass equals the fee divided by your probability of passing on any given attempt.

Assuming independence across attempts. A simplification, but a useful one.

At a 25% pass rate, that's $550 ÷ 0.25.

Which is $2,200 in expected total spend before an eventual pass. Not $550.

This number should directly inform how much you're willing to spend per attempt.

It's also the strongest argument for spending real time improving your actual pass probability first — through smaller size, more selective setups, artificial evaluation-style practice — before buying attempt number three at full price.

Raising your pass probability from 25% to 40% cuts that expected cost from $2,200 down to roughly $1,375.

Without changing the fee at all.

Re: Everything you need to know about prop firms

Posted: Mon Aug 31, 2026 4:04 pm
by Fairman
Topstep and Apex aren't part of this comparison, and here's why the math doesn't even translate

Futures prop firms like Topstep and Apex use trailing drawdown, calculated in dollar terms against contract-specific tick values.

Not a percentage of account balance against a lot-sized forex position.

The underlying instrument is different. The margin mechanics are different. Even the trading hours are different — tied to exchange sessions, not the continuous forex market.

A side-by-side percentage comparison against FTMO or FundedNext isn't just unfair.

It's not mathematically coherent. You'd be comparing a rule measured in ticks and dollars against a rule measured in percentage of equity.

If you're genuinely choosing between a futures firm and a forex firm, the comparison that actually matters is which underlying market fits your existing edge.

Not which firm's rules look more generous on paper.

The rules aren't on the same scale to begin with.

Re: Everything you need to know about prop firms

Posted: Mon Aug 31, 2026 4:05 pm
by Fairman
FundingPips' multiple account models, and why "more options" is itself a variable worth quantifying

FundingPips differentiates itself partly through offering several account model variants, rather than one standard structure.

More models mean more chances to find one whose daily limit and target combination roughly matches your own historical worst-day and typical-month numbers.

Practically:

Pull your own daily P&L distribution. Mean, standard deviation, worst observed day.

Check it against each available model's daily limit and profit target.

Rather than picking whichever model is being promoted with the biggest discount code that week.

A model whose daily limit sits at roughly 1.5 to 2 standard deviations above your own historical mean daily loss gives real statistical breathing room.

A model whose limit sits closer to 1 standard deviation above your mean gives comparatively little.

Even if the headline profit split looks more attractive.

Re: Everything you need to know about prop firms

Posted: Mon Aug 31, 2026 4:05 pm
by Fairman
Weekend and overnight holding rules, and the math that makes this matter more than it first appears

Some firms fully restrict weekend holding. Others allow it with adjusted margin. A few simply track it without special restriction.

For scalpers this sounds irrelevant on the surface. You're not holding positions for days anyway.

The actual relevant scenario is the Friday-afternoon trade that's still open when your session ends.

Not a deliberate multi-day hold.

If your typical Friday-afternoon average trade duration, from your own journal, is under 30 minutes, the probability of accidentally carrying something into a weekend-restricted window is low.

But not zero. Not across enough Fridays.

And a single restricted-hold violation can be treated as a rule breach.

Regardless of how small or accidental it was.

Check this rule specifically if your session windows ever run close to a Friday market close.

Re: Everything you need to know about prop firms

Posted: Mon Aug 31, 2026 4:06 pm
by Fairman
Reading a firm's advertised "average pass rate" critically

A firm citing an aggregate pass rate across all account sizes and all challenge types is reporting a blended average.

Not necessarily what applies to your specific account size, your specific challenge type, or crucially, your specific level of experience going in.

Aggregate pass rates get pulled down by a large number of undercapitalized, undisciplined first-time attempts.

And pulled up by repeat traders who've already learned the platform's specific quirks.

If a firm reports something like a 12% blended pass rate, that number is doing very little to tell you your own realistic probability.

Not if you're coming in with a genuinely tested strategy and real risk discipline already built from months of personal-account trading.

Treat published aggregate rates as a floor for a disciplined trader. Not a ceiling.

Don't let a scary-looking blended average talk you out of a genuinely well-prepared attempt.

Re: Everything you need to know about prop firms

Posted: Mon Aug 31, 2026 4:09 pm
by Fairman
The refund-on-first-payout model, as a simple expected value adjustment

If a firm refunds your challenge fee on your first successful payout, your true expected cost isn't the sticker price.

It's the sticker price multiplied by the probability you never actually reach that first payout.

Say your realistic probability of reaching a first payout — accounting for both passing the evaluation and then trading the funded account long enough to withdraw — is around 15%.

Your expected true cost on a $550 refundable challenge is:

$550 × 0.85 = $467.50.

That's the genuinely expected net cost. Not the full $550. And not zero either.

It's a real discount on expectation.

Just not as large a discount as "refundable" makes it sound.

Because the refund is conditional on clearing two separate hurdles. Not one.

Re: Everything you need to know about prop firms

Posted: Mon Aug 31, 2026 4:13 pm
by Fairman
The Funded Trader's higher funding ceilings, and why bigger numbers deserve a lower prior

When a firm advertises meaningfully higher maximum funding than competitors, the correct statistical instinct is a slightly lower prior on how reliably that full ceiling is actually reachable in practice.

Not a higher one.

Purely because higher advertised ceilings correlate, across the industry generally, with correspondingly stricter scaling gates required to get there.

This isn't a claim about any specific firm being untrustworthy.

It's a general pattern worth applying skepticism to.

An impressive top-line number and an easy path to it are two different claims.

Marketing pages are naturally going to lead with the number rather than the difficulty of the gates between you and it.

Ask specifically what performance is required at each scaling step.

Before letting the ceiling number anchor your expectations.