Portfolio Stress Testing & Historical Scenario Replay
See how your holdings would have weathered past market shocks.
Most tools tell you how a portfolio performed. QuantiBot.ai lets you replay it through history. Point it at your own holdings or a saved portfolio, and it reconstructs how that exact composition would have moved through a real market stress window — indexed to a common starting point and compared against a benchmark.
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Replay a single scenario
Choose a historical stress window and QuantiBot.ai produces an indexed performance path and drawdown for your holdings versus a benchmark over that period — a concrete answer to "how would this mix have behaved in that environment?" grounded entirely in historical price data. Each replay reports the window return, the maximum drawdown and the date it troughed, the worst single day, and whether the composition recovered to its prior level — and if so, how many days that took.
Run the full stress matrix
Instead of testing one episode at a time, the scenario matrix replays your subject across a curated catalog of historical stress episodes at once and ranks which ones hit hardest — by window return, maximum drawdown, and days to recover. It surfaces the scenarios your current composition is most exposed to, so you know where the concentration risk lives before you go deeper.
A curated catalog of real episodes — and honest coverage
Browse a catalog of historical market-stress windows to replay against, so you're testing against events that actually happened rather than abstract shocks. When a holding has no price history inside a window, QuantiBot.ai says so — it reports how many holdings were covered and what share of the weight they represent, and names what was excluded, instead of quietly rescaling the result.
What a replay is, and what it is not
Scenario replays are hypothetical and use historical data — they describe how a composition would have tracked through the past, not a forecast of the future, and they are not investment advice. From a replay you can move into portfolio exposure analysis to see the sector and factor concentrations driving the result, or backtest an alternative composition over the same window.
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For informational and educational purposes only. QuantiBot.ai is not a broker-dealer or investment adviser and does not provide investment advice.