Opportunity cost: the heart of it
Gold pays no interest and no dividends. When rates rise, an investor can earn a near-guaranteed return from bonds or deposits, which raises the cost of holding an asset that pays nothing.
That is opportunity cost: you are not losing money by holding gold, but you are forgoing a return available elsewhere. The higher that alternative return, the less appealing gold becomes — and precisely the reverse when it falls.
The real rate is the right measure
The common error is looking at the nominal rate alone. What matters is the real rate:
Real rate = nominal rate − inflation
See how completely this changes the conclusion:
| Nominal | Inflation | Real | Environment for gold |
|---|---|---|---|
| 5% | 2% | +3% | Negative |
| 5% | 7% | −2% | Supportive |
The nominal rate is 5% in both rows, yet the environment is opposite. This explains why gold has historically risen during periods of high nominal rates when inflation ran higher still. See inflation and gold.
Expectations matter more than the decision
Markets price a rate decision weeks before it lands. That is why gold often moves sharply even when the decision arrives exactly "as expected" — the movement comes from shifting future expectations, not the announced number.
What genuinely moves the market is the central bank's tone: is it hinting at further hikes or at the start of cuts? A single remark can move gold more than the decision itself.
What this means for you in practice
- Put rate-decision dates on your calendar; they are among the most volatile moments for gold.
- The spread widens and slippage rises at the moment of release, so many reduce size or step aside.
- Never build a trade on one factor: gold can defy rate logic when a geopolitical crisis or a sharp dollar slide coincides.