How Interest Rates Affect Currencies, Stocks, Gold and Bonds
How one interest rate decision travels through four asset classes: why the currency strengthens, bond prices fall, equities reprice on the discount rate and gold weakens — and the order in which it happens.
One change in a policy rate reaches four asset classes through four different channels, at four different speeds. The currency moves first and most reliably. Bonds move mechanically. Equities move on the discount rate, in a direction that depends on the regime. Gold moves on what the rate does after inflation. This guide follows a single hike through all four.
Key Takeaways
- Currencies respond to rate differentials: capital moves toward the higher expected return.
- Bond prices and yields move inversely; a rate rise lowers the price of existing fixed coupons.
- Equities reprice on the discount rate. Growth-heavy indices are the most sensitive.
- Gold responds to real rates — nominal minus inflation — because it pays nothing.
- Expectations move all four before the decision does.
The Transmission
| Asset | Channel | On a rate rise (or hawkish surprise) | Speed |
| Currency | Rate differential | Strengthens: higher return on holding it | Immediate |
| Bonds | Price–yield inverse | Prices fall, yields rise; longer maturities fall further | Immediate |
| Equities | Discount rate | Valuations compress; growth shares most | Minutes to days |
| Gold | Real yield | Weakens if real rates rise | Hours to days |
Currencies: The Differential
A currency's overnight return is its interest rate. A hike raises it relative to other currencies, and capital that was indifferent between two currencies now prefers the higher-yielding one. EURUSD falls on a US hike; it rises on an ECB hike. On a MarketsAll account the differential appears every night as swap — the mechanism is the same.
The move happens on the change in expectations, not on the decision. By decision day the hike is usually priced; the statement about the next one is what moves the pair. See how interest rates work and how markets price in expectations.
Bonds: The Inverse
A bond pays a fixed coupon. When new bonds pay more, the old fixed coupon is worth less, so its price falls until its yield matches. The longer the maturity, the larger the fall — a concept called duration. See what is fixed income and how bond yields influence global markets.
Equities: The Discount Rate
An equity index is the present value of expected future earnings, and the rate used to discount them rises with policy rates. A company expected to earn $100 in five years is worth $86 at a 3% discount rate and $75 at 6%. Nothing about the company changed. Growth-heavy indices such as US100 hold more of their value in distant earnings and reprice hardest; value-heavy indices such as UK100 less so.
Direction depends on regime. If the hike signals confidence in growth, equities can rise. If it signals a fight with inflation, they usually fall. See why good economic news can cause markets to fall.
Gold: The Real Rate
Gold pays no interest. Its competitor is the after-inflation return on cash and bonds. When nominal rates rise faster than inflation — real rates rise — gold's opportunity cost rises and it tends to fall. When rates rise but inflation rises faster, real rates fall and gold can rise on a hike. See the relationship between gold, real yields and the US dollar.
Worked Example: One Hawkish Surprise, Four Markets
A central bank hikes 25bp as expected and signals two more, where the market had priced one.
| Market | Move | Reading |
| Currency | +0.8% | Differential widened beyond expectations |
| 2-year yield | +15bp | Front end reprices the extra hike |
| 10-year yield | +6bp | Longer end moves less: partly priced, partly growth doubt |
| Equity index | −1.5% | Discount rate up; inflation-fighting regime |
| Gold | −1.2% | Real yields up, currency up |
Four markets, one sentence in a statement. A trader long the currency and long gold held two positions and one exposure — see correlated positions.
(Illustrative magnitudes.)
Why the Order Matters
The currency and the front end of the bond market move within seconds, because they are the most direct expressions of the rate. Equities need the discount-rate arithmetic to work through analysts and models, which takes hours to days. Gold waits for the real-rate picture, which needs the inflation side. A trader who watches the currency reaction knows the direction of the others before they have fully moved.
Does a rate hike always strengthen the currency?
Usually, if it beats expectations. A fully expected hike with dovish guidance can weaken it.
Why do stocks sometimes rise on a rate hike?
When the hike is read as confidence in growth rather than a fight with inflation, or when the guidance is softer than feared.
Why does gold sometimes rise when rates rise?
When inflation is rising faster than nominal rates, so real rates fall.
Which asset reacts first?
The currency and short-dated bond yields, within seconds. Equities and gold follow over hours to days.
How do rate cuts work?
Mirror image: currency weakens, bond prices rise, equities tend to rise on a lower discount rate unless the cut signals weakness, gold tends to rise on lower real rates.
Related Reading
How interest rates work · How bond yields influence global markets · Gold, real yields and the US dollar · Why good economic news can cause markets to fall · Correlated positions
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