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Not investment advice. Educational reading. See Disclaimer.
L.1 · BEGINNER · 2 MIN

What Is a Bond?

A bond is a loan you make to a company or government. In return, they pay you fixed interest (the coupon) and return your principal when the bond matures.

Quiz · 5 questions ↓

Bonds versus stocks, feature by feature

FeatureBondsStocks
What you ownA loan (you are the lender)Partial ownership of the company
IncomeFixed coupon payments (predictable)Dividends (optional, variable)
UpsideLimited (face value at maturity)Unlimited (stock can keep rising)
DownsideLess likely but severe — a default can wipe out most or all of the loan; the senior claim lowers the odds, not the damageTotal loss possible
Priority in bankruptcyPaid before stockholdersPaid last

The current-yield formula

Current Yield = Annual Coupon / Bond Price

Explore real bond data in the Ledge

Open the Credit view in the Ledge to explore bond data. Look at how bonds are described by coupon, maturity, and credit rating.

Bonds trade upside for certainty

Bonds are the foundation of fixed-income investing. They trade certainty (fixed payments) for limited upside. For retirees and conservative investors, that trade-off is exactly right.

What rising rates do to a bond you hold

You buy a 10-year bond with a 5% coupon at par ($100). Six months later, market interest rates have risen to 7%. What happens to your bond's market price?
Check your understanding

Sit with the ideas.

You buy a $1,000 bond with a 5% annual coupon. How much interest do you receive each year?

Why:
Try this in paper trading

Buy a bond ETF after the duration lesson

Pick a Treasury or aggregate bond ETF (e.g., IEF, AGG, BND, TLT). Paper-buy 50 shares. Journal what you expect the position to do if the 10-year yield moves up 100 bps versus down 100 bps.

Open paper portfolio →

Practice mode — simulated trades, not investment advice.

Continue this lesson in the app →See it on a real ticker →