Topstep $50,000 Challenge — Position Size Calculator
Quick Answer
Topstep's single-phase challenge has no daily loss limit or maximum drawdown - you can lose the entire $50,000 account in one day without rule violations. With unlimited risk tolerance, 1% risk equals $500 per trade. For EURUSD with a 30-pip stop, you could trade up to 16.67 standard lots, though this extreme position sizing contradicts the consistency rule requiring steady $150+ daily profits.
Position Size Calculator
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Firm Rules Summary
| Max Daily Loss | $0 (0%) |
| Max Total Loss | $0 (0%) |
| Profit Target (Phase 1) | $0 (0%) |
| Min Trading Days | 5 days |
| Consistency Rule | Yes — Must earn at least $150 in trading profits per benchmark trading day |
Risk Guide
Topstep's single-phase challenge presents a unique risk profile - no daily loss limits or maximum drawdown restrictions mean you could theoretically lose the entire $50,000 without breaking rules. However, this unlimited loss tolerance conflicts with the consistency requirement of earning at least $150 per benchmark trading day over 5 minimum days. Smart position sizing becomes critical for meeting profit targets while preserving capital.
At 1% risk ($500 per trade), you could lose 100 consecutive trades before depleting the account. At 2% risk ($1,000 per trade), that drops to 50 losing trades. While these seem like comfortable margins, the consistency rule demands a different approach than typical prop firm challenges.
For EURUSD position sizing: with a 30-pip stop loss, 1% risk allows 5 mini lots ($500 ÷ $1 per pip ÷ 10 pips). A 50-pip stop on GBPJPY at 1% risk allows 3.33 mini lots ($500 ÷ $1.5 per pip ÷ 10 pips, assuming 150 yen per dollar). Gold with a $20 stop allows 2.5 micro lots ($500 ÷ $20 per point).
The real danger isn't hitting loss limits - it's failing the consistency requirement. Aggressive position sizing might generate the required $150 daily profits faster, but one bad day could wipe out weeks of progress. Conservative sizing around 0.5-1% risk per trade allows steady profit accumulation while protecting against account-ending drawdowns.
Unlike traditional prop firms where you advance from challenge to funded phases, this single-phase structure means your position sizing strategy must balance meeting profit requirements with long-term account preservation from day one. The absence of safety nets makes risk management entirely your responsibility.
Frequently Asked Questions
Topstep 50k Calculator — FAQ
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Last verified: 2 April 2026. Always confirm current rules directly with Topstep before trading.