Build a portfolio you understand.Not one you simply hope will work.
Measure historical risk, explore market stress scenarios, simulate future outcomes, and compare allocations before putting more capital to work.
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More growth can come with deeper losses. Compare both before choosing your allocation.
$10,000 initial investment · No contributions · Dividends reinvested · Annual rebalancing
Ending value
$23,720
Annualized return
+7.0%
Worst decline
-19.1%
Ending value
$51,189
Annualized return
+13.7%
Worst decline
-33.7%
Ending value
$30,029
Annualized return
+9.0%
Worst decline
-20.9%
A portfolio is easy to love on the way up. This shows what it felt like on the way down.
Returns during the exact market sell-off windows shown above.
2020 COVID sell-off
Feb 19, 2020 – Mar 23, 2020
2022 stock-and-bond sell-off
Jan 3, 2022 – Dec 30, 2022
Illustrative Monte Carlo · $10,000 starting value · No contributions
10th percentile
$13,470
Median outcome
$19,014
90th percentile
$26,777
Illustrative simulation, not a forecast. Actual outcomes may fall outside this range.
Free to try · No signup required
Pick the question you care about. StressTest shows the trade-offs behind the return number.
Representative stress scenario (2020 market decline)
StressTest shows the depth, length, and calendar recovery time of historical declines.
Representative stress scenario (2020 market decline)
StressTest shows the depth, length, and calendar recovery time of historical declines.
MARKET DATA & VALIDATION
StressTest.pro uses EODHD market data and applies validation checks before the data reaches your analysis.
Primary multi-exchange daily feed
Splits, dividends, and distributions
Anomaly detection and date reconciliation
Risk, drawdown, and simulation engine
Multi-decade price history covering major market cycles and stress periods.
Historical datasets can include securities that are no longer actively listed.
Splits and distributions are handled consistently; dividend reinvestment follows the assumptions selected for the backtest.
Coverage spanning US and international exchanges supported by the ticker universe.
FAQ
Essential details about our analysis methodology, data handling, and privacy.
No. You can build a portfolio and run a backtest without creating an account. Create an account only when you want to save portfolios or use features that require persistence.
Run the portfolio, inspect the drawdowns, and compare the trade-offs.
Free to try · No credit card · No signup required
EXPLORE RESEARCH
Deep-dive risk profiles and head-to-head allocation comparisons for widely held assets.
Individual ETF Studies