Sam · What-If StrategistWhat if I changed my asset allocation?
Your stock-to-bond mix is the single biggest driver of your long-term return and risk. Compare two allocations side by side.
Free to start · iOS & Android
Allocation does the heavy lifting
Studies repeatedly find that how you split between stocks, bonds and cash matters more than which specific funds you pick. A higher stock weight usually means more growth and bigger swings. This compares two mixes on the same money so you can see the gap.
Questions people ask
What is asset allocation?
It's how you divide your portfolio across asset types like stocks, bonds and cash. It's the main lever on both your expected return and how much your portfolio bounces around.
Why does allocation matter more than stock picking?
Because the broad mix drives most of your results over time, while individual picks tend to wash out. Getting the allocation right for your timeline is the higher-leverage decision.
How often should I change my allocation?
Many investors review once a year or after big life changes, shifting gradually toward steadier assets as goals approach. This tool illustrates the math; it doesn't recommend a specific mix.
Related what-ifs
See it on your real money
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