How Do Interest Rates Affect Stocks?

All stocks are, in theory, worth the present value of all future cash flows they will generate — discounted back to today at a rate that reflects the time value of money and the risk of those cash flows.

The formula: Stock Value = Future Cash Flows / (Discount Rate)

When interest rates rise, the discount rate rises. A higher denominator means a lower present value — and therefore a lower stock price — even if the company's actual cash flows don't change.

Not all stocks are equally sensitive to interest rate moves.

GROWTH STOCKS (high rate sensitivity): Growth stocks — tech companies, biotech firms, early-stage businesses — derive most of their value from earnings expected far in the future. These distant cash flows are discounted more heavily when rates rise. A company whose earnings are mostly expected 5–10 years from now sees its present value shrink dramatically when the discount rate jumps from 3% to 6%.

VALUE STOCKS (lower rate sensitivity): Value stocks — utilities, consumer staples, mature industrials — generate significant cash flows today. They're less sensitive to discount rate changes because more of their value comes from near-term earnings.

Stocks compete with bonds for investment capital. When interest rates rise, newly issued bonds offer higher yields — more income with less risk than stocks. Capital flows from equities to fixed income, reducing demand for stocks and pushing prices down.

The "equity risk premium" — the additional return investors demand for taking stock market risk over risk-free bonds — determines how attractive stocks are relative to bonds at any given time.

Higher interest rates mean higher borrowing costs for businesses:

• Companies with large floating-rate debt see interest expenses rise, reducing earnings
• Debt-dependent growth plans become more expensive, slowing expansion
• Dividend-paying companies with leveraged balance sheets are particularly vulnerable
• Real estate companies (REITs) face higher refinancing costs on property debt

Higher rates don't just affect corporate balance sheets — they affect consumers:

• Mortgage rates rise, cooling housing markets and reducing home-related spending
• Auto loan rates increase, slowing vehicle purchases
• Credit card rates climb, reducing discretionary spending
• Student loan costs rise, reducing disposable income for younger consumers

Companies dependent on consumer discretionary spending see revenue pressure as rates rise.

Banks profit from the "net interest margin" — the spread between what they pay depositors and what they charge borrowers. When rates rise, that margin typically expands, boosting bank earnings.

Insurers invest premiums in bonds. When rates rise, they can reinvest at higher yields, improving investment income.

The Federal Open Market Committee (FOMC) meets eight times per year to set the federal funds rate. The market watches:

• The rate decision itself (raise, cut, or hold)
• The magnitude (25 bps, 50 bps, 75 bps)
• The forward guidance language in the statement
• The Fed Chair's press conference tone

Markets often move more on what the Fed says than what it does. A rate cut paired with pessimistic economic commentary can cause stocks to fall. A rate hold with optimistic forward guidance can cause stocks to rally.