# PropSurvivalEngine > Free risk intelligence platform for proprietary (prop) trading firm traders. Provides calculators, firm comparisons, health scores, and educational content to help traders survive prop firm challenges without violating drawdown rules. PropSurvivalEngine.com is the most comprehensive prop firm data platform, covering 51 prop trading firms with real drawdown rules, challenge costs, profit splits, payout verification data, and community health scores. All tools are free. ## Core Tools - [Drawdown Calculator](https://propsurvivalengine.com/): Calculate safe lot sizes and survival probability for any prop firm account. Supports 51 firms with pre-loaded rules. - [Challenge Simulator](https://propsurvivalengine.com/tools/challenge-simulator): Monte Carlo simulation (10,000 runs) to predict your real pass probability before risking money on a challenge. - [Drawdown Replay](https://propsurvivalengine.com/tools/drawdown-replay): Upload trade history CSV and replay equity curve against drawdown limits. See exactly where violations nearly occurred. - [Position Size Calculator](https://propsurvivalengine.com/tools/position-size): Calculate exact lot sizes for 19+ instruments including forex, gold, indices, and crypto. - [Consistency Rule Checker](https://propsurvivalengine.com/tools/consistency-checker): Paste daily P&L to check compliance with firm-specific consistency rules. Supports 12 firms. - [Trading Journal](https://propsurvivalengine.com/tools/journal): Log trades, track P&L with charts, and monitor drawdown compliance in real-time. ## Firm Data & Comparisons - [Compare Firms](https://propsurvivalengine.com/compare): Side-by-side comparison of 51 prop trading firms on drawdown rules, costs, profit splits, leverage, and more. - [Firm Reviews](https://propsurvivalengine.com/reviews): Data-driven reviews of individual prop firms with objective ratings. - [Firm Health Dashboard](https://propsurvivalengine.com/health): Real-time health grades (A+ to F) for each firm based on verified payouts, processing speed, community sentiment, and platform stability. - [Payout Verification](https://propsurvivalengine.com/payouts): Community-sourced payout proofs with verification status and processing time data. - [Deals & Discounts](https://propsurvivalengine.com/deals): Current discount codes and promotions for prop firm challenges. ## Key Data Points (51 Firms) - Max drawdown percentages (ranging from 4% to 12%) - Daily drawdown limits (3% to 5%) - Profit targets (5% to 10% per phase) - Profit splits (50/50 to 100/0) - Challenge costs ($36 to $1,899) - Account sizes ($5,000 to $400,000) - Trading restrictions (news trading, EAs, weekend holding, scalping) - Payout processing speeds (1 to 14 business days) - Community health grades based on real trader reports ## Educational Content - [Blog](https://propsurvivalengine.com/blog): 29+ data-driven articles covering drawdown rules, challenge strategies, firm comparisons, tax implications, and risk management. - [Survival Guides](https://propsurvivalengine.com/guides): In-depth guides on topics like why traders fail, safe lot sizing, passing challenges, and trading psychology. - [Challenge Pass Rates](https://propsurvivalengine.com/challenges): Community-submitted challenge results with real pass/fail statistics. ## Community Features - [Trader Profiles](https://propsurvivalengine.com/profiles): Anonymous performance profiles with trade history and statistics. - [Leaderboard](https://propsurvivalengine.com/community): Performance and referral leaderboards. - [AI Firm Match](https://propsurvivalengine.com/recommend): Personalized prop firm recommendation based on trading style and preferences. ## Frequently Asked Questions - What is trailing drawdown? A drawdown limit that moves up with your equity high-water mark but never moves down. - What percentage of traders pass prop firm challenges? Community data suggests 10-20% pass rate varies by firm. - Can you fail a prop firm challenge with profit? Yes — trailing drawdown can cause failure even with a positive balance. - How to calculate safe lot size? Use account size, remaining drawdown buffer, and stop loss to determine maximum position size. - Are prop firms a scam? Most established firms (FTMO, E8 Markets, FundedNext) are legitimate, but red flags include no payout history, unclear rules, and pressure tactics. - How fast do prop firms pay? Verified data shows 1-14 business days depending on firm, with some paying within 24 hours. ## Optional - [Pricing](https://propsurvivalengine.com/pricing): Premium features and subscription plans. - [Chrome Extension](https://propsurvivalengine.com/extension): Real-time drawdown protection, AI coach, and context-aware firm detection. - [Referral Program](https://propsurvivalengine.com/referral): Earn rewards for referring other traders. - [Transparency](https://propsurvivalengine.com/transparency): How the platform makes money and editorial independence policy.