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Phidias PropFirm $50,000 Challenge — Position Size Calculator

Quick Answer

Phidias PropFirm's $50,000 account has 0% daily loss limit and 0% max drawdown, meaning any loss whatsoever will breach your account. With such extreme restrictions, traditional risk management of 1-2% per trade is impossible - even a $1 loss would violate the rules.

Position Size Calculator
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pips
0.5%5%
Firm Rules Summary
Challenge Price$164
Max Daily Loss$0 (0%)
Max Total Loss$0 (0%)
Profit Target (Phase 1)$0 (0%)
Min Trading Days3 days
Consistency RuleNo
Risk Guide
This Phidias PropFirm account presents an unprecedented challenge: with 0% daily loss limit and 0% max drawdown on your $50,000 account, you cannot afford to lose a single dollar without breaching the account. Traditional risk management frameworks completely break down here. At 1% risk ($500), you'd breach the account before your first losing trade completes. At 0.5% risk ($250), the same outcome. Even risking $10 would violate the 0% daily loss limit. This means you must achieve 100% win rate across your minimum 3 trading days. For position sizing, you're essentially forced into scalping strategies where you can guarantee profits or break-even exits. On EURUSD, even with a 1-pip stop loss, you'd need position sizes small enough that slippage doesn't create losses. A 0.01 lot position with 1-pip stop would risk $1 - already too much for this account structure. The mathematics become extreme: you need strategies with guaranteed positive outcomes. This might involve arbitrage opportunities, rebate trading, or spread capture techniques rather than traditional directional trading. Market makers' spreads become your primary enemy since bid-ask spreads create immediate unrealized losses upon entry. The $164 challenge price suggests this is designed as an extremely difficult filter. Most traders will breach within hours due to normal market fluctuations. Your only viable approach is high-frequency, low-risk strategies with immediate profit-taking - think 1-2 pip scalps with instant exits if trades move against you. Once funded (if achieved), rules typically relax significantly, but during this challenge phase, normal Forex trading approaches are mathematically impossible. You're essentially paying $164 for a lesson in why 0% drawdown accounts don't work with conventional trading strategies. Consider whether alternative prop firms with realistic drawdown limits (4-6%) might better serve your trading development.
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Phidias PropFirm 50k Calculator — FAQ

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Last verified: 2 April 2026. Always confirm current rules directly with Phidias PropFirm before trading.