Macro: rates, the dollar and inflation — one engine, four markets

On days when a major central bank surprises, something striking happens: stocks, currencies, gold and crypto all move at once, often within the same second. Ninety-nine instruments across four asset classes suddenly behave like one instrument with four costumes. This is not coincidence or contagion — it is a single variable repricing: the expected path of interest rates, and behind it, the price of money itself.

If you trade more than one asset class, this lesson is the connective tissue. The mechanism is one engine; the four markets are four gearboxes attached to it, each translating the same rotation into different motion.

The engine: rate expectations, not rates

Markets do not trade on what the policy rate is — that is public and already priced. They trade on what the rate path will be, as implied by money-market pricing of future policy decisions. This is why a central bank can raise rates and watch risk assets rally: if markets had priced an even more aggressive path, the actual decision is a dovish surprise. The tradable event is always the gap between expectation and outcome. Inflation data matters mostly as fuel for this engine — a hot inflation print moves markets primarily because it shifts what central banks are expected to do about it.

One refinement does enormous work: the real yield, meaning the nominal interest rate minus expected inflation. A 5% rate with 6% expected inflation is a negative real yield — cash loses purchasing power even while paying interest. A 5% rate with 2% inflation is a strongly positive real yield. Markets respond to the real number, and the four gearboxes below all key off it.

Stocks: duration in disguise

A stock is a claim on cash flows stretching years into the future, and the present value of those cash flows depends on the rate used to discount them. When rates rise, distant cash flows are worth less today — and the more distant the cash flows, the harder the hit. This is why rate moves do not strike all equities equally: a company whose value rests mostly on profits a decade away behaves like a long-duration bond, falling hard when yields rise, while a company generating strong cash flow today is comparatively insulated. Beyond the discounting math, higher rates also work on fundamentals with a lag — costlier borrowing, slower demand — and on allocation: when safe assets yield 5% real, the bar for holding risk rises for every portfolio on earth.

FX: the differential game

Exchange rates are relative prices, so what moves them is not one country’s rates but the differential between two countries’ expected rate paths. Capital flows toward higher real yields; the currency offering them appreciates, other things being equal. This is also the root of the carry trade — borrow in a low-rate currency, invest in a high-rate one, collect the difference daily, and accept that the exchange rate can erase months of carry in a bad week.

The dollar deserves its own paragraph, because it is not just one currency among many — it is the unit in which the world keeps score. The bulk of global trade invoicing, cross-border debt, and commodity pricing runs through dollars. The consequence: when the dollar strengthens, everything priced in dollars — gold, oil, most crypto pairs — faces a mechanical headwind before any asset-specific news happens at all. A trader who ignores the dollar while trading dollar-denominated instruments is trading two positions and watching one.

Gold: the anti-yield asset

Gold pays nothing — no coupon, no dividend, no yield. That makes its main cost the opportunity cost of the yield you gave up to hold it, and its main sensitivity the real yield. When real yields are deeply negative, holding gold costs you nothing relative to cash that is losing purchasing power anyway, and gold historically thrives. When real yields rise firmly positive, every ounce held is a 5% real return declined, and gold faces a persistent headwind. Add the dollar effect — gold is priced in dollars, so dollar strength pressures it mechanically — and you have the two variables that explain a remarkable share of gold’s big moves. The metal is often described as an inflation hedge; it is more precisely a real-yield hedge, which is why it can fall during inflation if rates rise even faster.

Crypto: the liquidity barometer

Crypto’s macro linkage is the youngest and least stable of the four. The observed pattern across recent cycles: when money is cheap and liquidity abundant, capital extends out the risk curve and crypto — the far end of that curve — benefits disproportionately; when rates rise and liquidity tightens, the most speculative assets are sold first and hardest. In tightening regimes, major crypto assets have often traded like leveraged long-duration risk assets, rising and falling with the same real-yield tides that move growth stocks, only with more amplitude. Two honest caveats: the correlation is regime-dependent rather than law-like — it has strengthened and weakened across cycles — and crypto retains idiosyncratic drivers (protocol events, regulation, market structure) that can swamp macro for months at a time. Treat the macro linkage as a strong prevailing wind, not a leash.

One dashboard, four expressions

Put it together and a single macro impulse — say, markets repricing toward a higher-for-longer rate path — fans out predictably: long-duration equities pressured more than cash-flow-rich ones, the dollar bid against lower-yielding currencies, gold facing the rising-real-yield headwind, crypto trading heavy at the speculative end. The expressions differ; the engine is one. This is also the quiet argument for watching multiple asset classes even if you trade only one: FX and gold often reveal what the market believes about rates more cleanly than equities do, because they carry less idiosyncratic noise. On a multi-asset platform you can watch the whole transmission in one place — the point is not to trade everything, but to read everything.

Key takeaways

• Markets trade the gap between expected and actual rate paths — the level of rates is already in the price.
• Real yield (nominal rate minus expected inflation) is the single most useful macro number across all four asset classes.
• Stocks are duration: the further out a company’s cash flows, the harder rising rates hit its valuation.
• FX runs on rate differentials, and the dollar is the world’s denominator — its strength is a mechanical headwind for everything priced in it.
• Gold is a real-yield hedge more than an inflation hedge; deeply negative real yields are its natural habitat.
• Crypto has traded as amplified long-duration risk in recent regimes — but the linkage is regime-dependent, not a law of nature.