What actually happened: dividends, crashes and all.
Backtest Portfolio · Asset Class Backtest · Growth Replay · Parameter Sensitivity
4 toolsExplore →
Which question are you asking?
19 analysis tools, organized by the question you're answering, not alphabetically. Pick a topic to see the tools for it. 17 are free to run with no account; Parameter Sensitivity and Contribution Coach are paid research tools. Plans otherwise govern saving, history and exports, not access.
Which tool should I use?
“How would my portfolio have performed?”Backtest my portfolio →“What mix fits the constraints I entered?”Optimize my portfolio →“Would it survive 2008, or the next crash?”Stress test my portfolio →“Explore my risk willingness and capacity”Find my risk profile →“Will my money last in retirement?”Plan my retirement →“Will I reach my savings target?”Plan a savings goal →“I'm new. Where do I start?”Learn the basics first →
Where losses come from and how deep they run.
Stress Test / Scenarios · Factor Analysis · Risk Profile Questionnaire
3 toolsExplore →
Whether your holdings truly move independently.
Asset Correlations · Rolling Correlations
2 toolsExplore →
Constructing weights under explicit constraints.
Portfolio Optimization · Efficient Frontier · Black-Litterman Optimizer
3 toolsExplore →
Ranges of outcomes, never point forecasts.
Monte Carlo Simulation
1 toolExplore →
Savings targets with probabilities attached.
Financial Goals Planner · Contribution Coach
2 toolsExplore →
Withdrawal sustainability, tested against history.
Retirement Withdrawal Lab
1 toolExplore →
Rules-based timing, with costs made explicit.
Tactical Allocation
1 toolExplore →
What a single fund or stock is under the hood.
Stock Fundamentals · Fee X-Ray
2 toolsExplore →
Complexity reflects how many assumptions a tool asks you to make, not how “good” it is. Every tool documents its formulas, data conventions and known limitations in the methodology centre ↗. Educational analysis, not investment advice.