ETFs: understand the fund and its underlying exposure

Learn how exchange-traded funds differ from individual securities and compare stock and bond fund examples.

A fund traded on an exchange

An exchange-traded fund pools exposure to a collection of assets and has shares that trade on an exchange. Some track an index; others use active strategies. The fund label alone does not describe its risk. A narrow sector fund can remain concentrated despite holding many securities.

Check the fund objective, holdings, costs and structure when researching a real investment. Catalog sector and style labels help discovery here, but they do not replace a prospectus or a current holdings report.

A bond ETF is not an individual bond

BND is a bond ETF example in this catalog. Buying one BND share does not mean purchasing a $1,000 individual bond. Fund shares and individual debt obligations have different structures and risks.

In the practice portfolio, ETF quantity is measured in units and can be fractional. Individual bond demonstrations instead display face value and a quote as a percentage of par. Both use fictional practice prices.

An exercise in overlapping exposure

Add one broad-market ETF and one sector ETF to a watchlist. Consider whether their underlying investments could overlap, then allocate virtual cash to each. The portfolio chart shows your fund positions; it does not calculate overlap or look through to each fund constituent.

Real ETF market prices may differ from net asset value and incur spreads and fees. This simulator has immediate fills, no fund expenses, no distributions and no tracking-error model. Its history cannot be used to judge a fund’s real performance.

Practice investing with virtual money · Paper trading guide · Practice methodology