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FXOptimize Blog
Guides on EA portfolio optimization, risk management, and running multiple Expert Advisors profitably.
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Articles & research notes
How Many EAs Should You Run on One Account?
June 14, 2026Portfolio StrategyNew7 min read
There's no universal number. The right number of EAs is where adding the next one stops improving your risk-adjusted return — set by correlation, your drawdown budget, and margin. Here are the three constraints that cap it, and how to find your number.
Read article →MT5 Multi-EA Backtest: Testing Multiple Expert Advisors on One Account
June 14, 2026BacktestingNew9 min read
MT5's Strategy Tester runs one EA at a time — and even multi-symbol mode is not a portfolio backtest. What MT5 can and can't show you when you run several EAs on one account, and how to test the combination for real with shared balance and stacked drawdowns.
Read article →Pass Lab Methodology: How We Calculate Propfirm Pass Probability with 95% CIs
May 1, 2026MethodologyNew9 min read
Audit-grade methodology behind Pass Lab: walk-forward windows × Monte Carlo trade-shuffling × bootstrap confidence intervals × CI-LOW primary-match selection. Open methodology, deterministic, reproducible. Why the primary match is selected on the lower bound, not the best case.
Read methodology →MT4 Backtest Portfolio Analysis: Why the Strategy Tester Falls Short
April 27, 2026Backtesting11 min read
MT4's Strategy Tester only backtests one EA at a time. Here's what it shows, what it can't, and how to run a real portfolio backtest with shared balance, drawdown stacking, and 17 risk metrics in 10 minutes.
Read article →Propfirm Challenge Comparison 2026: Rules, Drawdowns & Payouts for 17 Forex Firms
April 19, 2026Propfirm Research14 min read
Side-by-side comparison of 17 forex propfirm challenge rules — FTMO, FundedNext, TFT, Apex, TopStep, E8, Blue Guardian, Finotive, Lux and more. Drawdown types, profit targets, EA rules, payout cadence. The cheat sheet for algorithmic traders picking a challenge.
Read article →How to Build an EA Portfolio in 2026: The Complete Guide
April 18, 2026Pillar Guide12 min read
A practical guide to building an EA portfolio that survives real markets. Correlation thresholds, Pareto optimization, walk-forward validation, and Monte Carlo stress testing — explained plainly.
Read article →How to Run Multiple EAs on One MT4/MT5 Account Without Blowing Up
March 29, 2026Portfolio Strategy8 min read
Running multiple Expert Advisors on the same account sounds like diversification — until their drawdowns stack and you're down 40% overnight. Here's how to actually combine EAs safely.
Read article →EA Portfolio Drawdown: What Happens When Your EAs Lose at the Same Time
March 29, 2026Risk Management7 min read
Individual EA backtests show 15% max drawdown each. But run five of them together and your actual drawdown could hit 50%. This is drawdown stacking — and most traders don't account for it.
Read article →FXOptimize vs QuantAnalyzer: EA Portfolio Optimization Compared
March 29, 2026Tool Comparison6 min read
Two tools for optimizing EA portfolios, two very different approaches. We compare FXOptimize's shared-balance simulation with QuantAnalyzer's trade-merging method — features, pricing, and use cases.
Read article →Reference
Tools & guides
Pass Lab — Cross-firm Propfirm Pass Probability with Confidence Intervals
May 2026NewFree ToolFree, runs in browser
Upload your EA backtests. Pass Lab compares 8 propfirm challenges (FTMO, FundedNext, FundingPips, The5ers, FXIFY, The Funded Trader, Goat, FTMO 1-step) using walk-forward windows × Monte Carlo trade-shuffling × bootstrap 95% confidence intervals — and surfaces the firm with the highest CI lower bound as the primary match, not the highest point estimate.
Open Pass Lab →Best QuantAnalyzer Alternative (2026) — Free EA Portfolio Optimizer
March 2026Tool Comparison10 min read
Detailed comparison of FXOptimize vs QuantAnalyzer: shared-balance simulation, pricing, platform support, and why traders are switching to web-based EA portfolio optimization.
Read guide →Merge MT4/MT5 Backtest Reports Online — Free Portfolio Simulation
March 2026How-To Guide7 min read
How to properly combine separate MT4 and MT5 backtest HTML files into one portfolio simulation — with shared balance, not just merged trade lists.
Read guide →EA Portfolio Simulator — Test Every EA Combination on One Account
March 2026Portfolio Simulation11 min read
What is EA portfolio simulation, why individual backtests lie, and how Pareto optimization finds the best EA combinations. 17 risk metrics explained.
Read guide →EA Correlation Checker — Find Which Expert Advisors Actually Diversify
March 2026Risk Analysis8 min read
How to analyze correlation between Expert Advisors, read the correlation heatmap, and build portfolios with true diversification — not hidden risk.
Read guide →