A portfolio spans accounts (retirement, brokerage, HSA), asset classes (stocks, bonds, cash), and geographies. What matters is the overall mix — not each account viewed alone.
Reviewing the whole portfolio once or twice a year is usually enough. Frequent checking encourages emotional decisions that compound badly over decades.
Practice this in Aurora
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Open Decision Lab →Frequently asked questions
How many funds should a portfolio hold?
For most beginners, one to three broad index funds is plenty. Complexity has costs — decision fatigue, higher fees, more tax work.
Related terms
Asset allocation
How you split your portfolio across broad asset classes — stocks, bonds, cash, and alternatives.
Diversification
Spreading investments across many assets so one bad outcome doesn't sink the portfolio.
Rebalancing
Adjusting a portfolio back toward its target asset allocation.
Index fund
A fund that mirrors an index rather than trying to beat it.