If stocks tend to grow your money faster over time, why hold bonds at all? Because they do different jobs — and a portfolio usually wants both.
Income
Bonds pay steady, predictable coupons. For someone who needs regular cash — a retiree, an institution with bills to pay — that reliable income is the whole point. You know roughly what you’ll receive and when.
Stability
Bonds typically swing far less than stocks. High-quality bonds, in particular, are calmer holdings: their prices wobble with interest rates, but they don’t crash the way an individual stock can. That makes them a steadier base for money you can’t afford to see halved.
Diversification
This is the big one. Bonds often behave differently from stocks — and in many downturns, when stocks fall, high-quality bonds hold up or even rise (as investors flee to safety and rates fall). Pairing the two means one can cushion the other, smoothing the ride. That’s the same diversification idea from the stocks track, applied across asset classes.
The trade-offs
Bonds aren’t free of risk or downside:
- Over long periods they’ve usually returned less than stocks — the price of their stability.
- They still carry interest-rate risk and credit risk.
- High inflation erodes the value of their fixed payments.
The right mix of stocks and bonds depends on your time horizon and how much volatility you can stomach — more bonds for stability, more stocks for growth.
The takeaway
Bonds offer income, stability, and diversification against stocks — cushioning a portfolio rather than maximising its growth. They’re not risk-free and usually trail stocks long-term, but that’s the trade for a smoother ride. (This is education, not investment advice.)