Stocks vs bonds: owning a piece or lending money?
Buy a stock and you own a small slice of a company. Buy a bond and you've lent someone money. That one difference shapes how each pays you and how much it can move.
The short answer
A stock (a share) is part-ownership of a company. If the company grows and earns more, the share can become worth more. It may also pay a Dividend. If the company struggles, the share can fall a lot, even to zero.
A bond is a loan. You lend money to a government or a company. They promise to pay you interest (the coupon) and give the money back on a set date (maturity). If they can't pay, you can lose some or all of it.
In plain words: stocks share in the company's ups and downs. Bonds promise a set payment, as long as the borrower can pay.
Side by side
| Stocks | Bonds | |
|---|---|---|
| What you own | A slice of a company | A loan to a government or company |
| How it pays | Price changes, maybe dividends | Interest, then your money back at maturity |
| Is the payment promised? | No | Yes, if the borrower can pay |
| End date | None | Yes, the maturity date |
| How much it moves | More, historically | Less, historically, but not zero |
| Biggest risks | Company or market falls | Rates rise, inflation, the borrower can't pay |
| In a bankruptcy | Paid last, often nothing | Paid before stockholders |
| Driven by | Earnings, growth, the economy, rates | Interest rates, inflation, credit risk |
How stocks pay
Two ways:
- Price changes. If buyers pay more for the share later, it's worth more. If they pay less, it's worth less.
- Dividends. Some companies pay out part of their earnings. Many don't, and they can cut or stop dividends.
Over long stretches of US history, stocks have grown more than bonds. They've also had much deeper drops along the way. Past results don't promise future ones. See how the stock market works.
How bonds pay
Say you buy a new 10-year bond for 1,000 units with a 4% coupon.
- Each year you get 40 units of interest (often paid in two halves).
- After 10 years, you get your 1,000 back.
- A math example, not a promise: if the borrower can't pay, you may not get all of it.
US Treasury bonds are backed by the US government. Company bonds pay more interest to make up for more risk. That's the trade-off.
Why bond prices fall when rates rise
This trips up a lot of people, so here it is simply.
Your old bond pays 4%. Now new bonds pay 5%. Nobody will pay full price for your 4% bond when they can get 5% elsewhere. So your bond's price drops until its payout looks fair again.
The reverse is also true. When rates fall, older bonds with higher coupons become worth more. That's why bond prices and Bond yields move in opposite directions. Longer bonds feel this more.
"Safe" doesn't mean "can't go down". High-quality bonds have been steadier than stocks in most years. But when rates jump, even government bond prices can fall a lot. If you hold to maturity and the borrower pays, you still get the face value back.
Stocks: strengths and limits
The good parts:
- Share in growth. If a company grows, owners share in it.
- Easy to buy. Single shares or a whole index through an ETF.
The limits:
- No promise. Prices can fall hard and stay down for years.
- Bigger swings. You need a plan for drops.
Bonds: strengths and limits
The good parts:
- Known payments. You know the coupon and the end date at the start.
- Often steadier. High-quality bonds have usually moved less than stocks.
The limits:
- Rate risk. Rising rates push prices down.
- Inflation risk. If prices in shops rise faster than your coupon, your money buys less.
- Credit risk. A weak borrower can miss payments.
Which fits you?
This is about your time and your plan, not about picking a winner.
- Need the money soon? Big swings matter more. Many people lean toward steadier holdings for near-term needs.
- Investing for many years? Many people hold more stocks for long goals and accept bigger swings.
- Want both? A mix is common, because the two often don't move the same way. Not always, though. In some years both have fallen together.
Want to see how steady growth adds up over time? Try the compound interest calculator. For anything beyond the basics, a licensed financial adviser can look at your full picture.
Common mistakes
- Thinking bonds can't lose money. Rate rises, inflation and defaults can all cost you.
- Chasing the highest bond yield. A very high yield usually means a higher chance of not getting paid.
- Judging stocks by one bad year. Swings are normal for stocks. Plan for them ahead of time.
- Ignoring rates. Rate changes move both. See how interest rates affect stocks.
Questions
What is the main difference between stocks and bonds?
A stock is part-ownership of a company and has no promised payment. A bond is a loan that pays set interest and returns your money at maturity, as long as the borrower can pay.
Are bonds safer than stocks?
High-quality bonds have usually moved less than stocks, but they're not risk-free. Rising rates, inflation and borrowers who can't pay can all cause losses.
Why do bond prices go down when interest rates go up?
New bonds pay the higher rate, so older bonds with lower coupons are worth less to buyers. Their prices fall until the payout matches what new bonds offer.
Can stocks and bonds fall at the same time?
Yes. They often move differently, but in some years, especially when rates rise fast, both have dropped together.
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