All Tools

Tools that think, not just calculate.

Every tool is built for retail investors — no finance degree, no spreadsheets. Get a diagnosis, not just a number.

Free Tools

no account required
Core Tool

Portfolio Stress Test

Run your portfolio through 9 historical crises. See your estimated loss, concentration risk, and a plain-English diagnosis.

5 assets free · 2 min · No sign-up

Architect

Scenario Risk Monitor

9 forward-looking scenarios calibrated against live macro signals — VIX, oil, credit spreads, yield curve. Updated every 4 hours.

Live FRED data · 9 scenarios · Labels free · Scores: Architect

Architect

Portfolio Comparison

Compare two portfolios side by side across 9 historical crises. See exactly how much adding gold, hedges, or diversification would have changed your losses.

9 historical crises · Before vs After · Antifragile Score

Architect

Factor Exposure Map

Decompose your portfolio into 5 risk factors: equity, duration, real assets, crypto, defensive. See where you sit vs S&P 500, 60/40, and All-Weather.

5 factors · 2D quadrant map · 80+ assets

Architect

AI Portfolio Chat

Ask anything about your portfolio. The AI knows your stress test results and answers in plain language — "add 10% gold", "reduce my drawdown", "what's my worst scenario?"

Streaming AI · 20 msg/day · Auto-imports portfolio

Architect

Rebalancing Advisor

Get a concrete rebalancing plan: specific trades to improve your Antifragile Score. See the before/after impact on every crisis scenario before making any moves.

5 scenarios · Greedy optimizer · Auto-imports portfolio

🛡Architect

Inflation Shield Score

How much of your portfolio is really protected from inflation? Get your Inflation Shield Score, protected/neutral/exposed tier breakdown, and Stagflation 1974 performance.

80+ assets · Stagflation scenarios · Shield Score 0-100

Free

Drawdown Recovery Estimator

Portfolio down? Set your current loss and compare it to 7 historical crashes. See how much further you might fall — and how long recovery took.

S&P 500 data · 7 crises · No sign-up

Free

Currency Risk Analyzer

How much of your portfolio is secretly a USD bet? Calculate hidden FX exposure and see the EUR/USD impact on your real returns.

For EU investors · 5 presets · No sign-up

Free

Stock Crisis Database

302 individual stocks across 7 indices. See how NVIDIA, Apple, LVMH, Unicredit performed in the 2008 GFC, COVID crash, Dot-com bust, and more.

302 stocks · 7 indices · 7 crises

%Partial

Bond Analytics

Live government bond yields and BTP-Bund spread monitor. Duration Calculator (Architect only).

Live data · BTP spread · Duration: Architect

Black Swan

White-label API

Embed the BSL stress test in your platform. REST API + embeddable widget. One <iframe> tag or a direct POST call from your backend.

REST API · 9 scenarios · Embeddable widget

Architect Tools

$59/mo

Full diagnostic platform — every metric, every scenario, every tool.

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Full Stress Test Engine

80+ asset classes, 300+ stocks, 18 scenarios (9 historical + 9 forward-looking), correlation heatmap, Antifragile Score™, liquidity analysis.

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Monte Carlo Projection

1,000 correlated simulations over 1/3/5/10 years. Fan chart with p5–p95 range. Volatility drag calculator.

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AI Portfolio Analyst

Plain-language diagnosis of your risk. "87% of your risk lives in one factor. Here is what to do about it."

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Crisis Compass

Are you down 20%? See how much more the market needs to fall before selling is the mathematically correct decision.

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Portfolio Tracker

Track real holdings with live P&L. Diversification score. Auto-sync with your stress test.

Unlock Architect →

All tools are educational only. Not financial advice. BSL does not make investment recommendations.