Funded Trader
Risk Calculator
Calculate the exact lot size for every trade — with built-in challenge protection limits that keep your drawdown clean.
POSITION SIZER
Multi-Asset Protocol
Your current account equity or challenge balance
Trade90 Safety System: 0.5% max per trade
Your planned trade entry price
Price where your trade idea is invalidated
Your target — used to calculate R:R ratio
Recommended Position
✓ SAFEStandard Lots
Total Risk
$500.00
R:R Ratio
1:1.00
Stop Pips
50.0
The Problem
Why Standard Calculators Fail Funded Traders
Generic position size calculators were built for retail trading. They solve for lot size — and stop there. That's not enough when you're trading a funded account with hard drawdown limits.
No Risk Guardrails
Generic calculators will let you size 5% of your account on a single trade without any warning. One stop-out and your daily limit is gone.
No Daily Budget View
They don't track how much risk you've used today. You can unknowingly stack multiple trades and blow through your daily drawdown allowance.
No Safe Trades Count
Standard tools don't tell you how many more trades you can safely take before reaching a challenge drawdown boundary.
Trade90 Safety System
The complete risk management framework
The 0.5% rule explained, daily limits, drawdown survival analysis, and the four rules.
FAQ
Frequently Asked Questions
Does this work for FTMO?
Yes. The Trade90 calculator is compatible with all major prop firms including FTMO, E8 Funding, The Funded Trader, Apex Trader Funding, and any other funded account program. The 0.5% per-trade risk rule is a conservative safety guideline that sits well inside the drawdown limits of every major prop firm challenge. You can also use it for Phase 1, Phase 2, and live funded accounts.
What is the 0.5% rule in funded trading?
The 0.5% rule means you risk no more than 0.5% of your current account equity on any single trade. On a $100,000 funded account that equals $500 maximum risk per trade. This rule exists because prop firm daily loss limits are typically 4–5% of account balance. At 0.5% per trade you need 8–10 consecutive losses before approaching a daily limit — giving you a strong buffer against natural variance and bad days.
Should I risk the same on every trade?
Not necessarily. Many funded traders use a tiered model: 0.25% for lower-conviction setups, 0.5% for standard setups, and up to 1% for their highest-conviction trades. The key constraint is that your total daily risk across all open and pending positions should stay at or below 1% of account equity. Consistency in your sizing rules matters more than the specific percentage you choose.
Related Tool
FTMO Position Size Calculator
FTMO-specific reference table, challenge limits, and worked examples for Phase 1 and Phase 2.
Learn More
Prop Firm Risk Management Guide
The complete guide to protecting your funded account: daily limits, drawdown math, and survival mode rules.
Looking for deeper analysis, trading psychology insights, and prop firm strategy breakdowns?
Read the Trade90 Blog →Prop Firm Resource
Considering a Funded Challenge?
FTMO is one long-established, widely reviewed prop firm offering evaluations up to $100,000. Understand the rules and build your risk plan first — then decide if a challenge fits your approach.
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