Economy5 min read

How Interest Rates Affect Stocks, Bonds and Currencies

Interest rates represent the cost of borrowing money. The policy rate set by a central bank has a cascading effect on credit costs, bond yields, currency values, and ultimately stock prices.

How Rate Hikes Affect Markets

Stocks: Higher rates increase borrowing costs and raise the discount rate applied to future earnings, reducing their present value. Growth stocks and highly leveraged companies are most affected.

Bonds: New bonds offer higher coupons; existing lower-coupon bonds fall in price. Long-duration bonds suffer the most (higher interest rate sensitivity).

Currency: Rate hikes attract foreign capital seeking higher yields, strengthening the local currency. The DXY surged to a 20-year high in 2022 as the Fed hiked aggressively.

How Rate Cuts Affect Markets

Stocks: Cheaper borrowing and a lower discount rate make future earnings more valuable; growth and tech stocks typically rally. When the Fed cut to zero in 2020, tech stocks soared.

Bonds: New issuance carries lower coupons; existing high-coupon bonds rise in price. Bond investors benefit.

Emerging markets: Low US rates push investors to seek higher yields abroad, driving capital into emerging markets.

Fed Rate Decisions and Global Markets

The Federal Reserve's Federal Open Market Committee (FOMC) meets eight times per year to set the federal funds rate. Markets closely watch FOMC statements and the "dot plot" — a chart showing where each Fed member expects rates to be in future years.

Rate decisions ripple globally: a Fed hike strengthens the dollar, pressures emerging market currencies, and typically tightens global financial conditions.

Frequently Asked Questions

Do rate hikes always crash the stock market?

Not always. Gradual rate hikes during strong economic expansions are often well-tolerated. It is aggressive hiking cycles — especially those triggering recession fears — that cause severe drawdowns.

Which sectors benefit from high interest rates?

Banks and insurance companies typically benefit from higher net interest margins. Money market funds also offer better yields.

What is the "neutral rate" or "r-star"?

The neutral rate (r*) is the theoretical interest rate that neither stimulates nor restricts economic growth. Rates above neutral are restrictive; below neutral are accommodative.

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