S&P 500 edges toward a record close after ceasefire news.

Ceasefire lifts risk appetite

The US stock market rallied strongly after a two-week ceasefire between the United States and Iran was announced, sending investors back into risk assets. Markets interpreted the pause in fighting as a short-term removal of a major geopolitical shock that had pushed prices lower in recent weeks. The rally feels fragile, and traders are watching a few key indicators — like the 10-year Treasury and the Atlanta Fed nowcast — to see if the gains hold.

At first, stocks jumped on the ceasefire news. The S&P 500 has been recovering from its recent lows, and traders are betting the worst of the geopolitical risk has eased.

That optimism showed in broad market flows. Technology names led parts of the advance earlier in the week, while some defensive sectors lagged. But sentiment hasn't fully normalised, and volatility remains higher than what investors saw before the conflict.

Price action, yields and oil

There's a clear tension: stocks rallied even as oil hit multi-year highs. Oil surged this week even as stocks rallied. West Texas Intermediate futures finished a recent session at US$102.88 a barrel — its strongest close since July 2022 — while Brent traded around US$112.78 a barrel.

Higher oil undercuts the hope that a ceasefire will quickly push inflation expectations lower.

Thing is, bond markets matter as much as news headlines. The yield on the 10-year US Treasury fell after Federal Reserve Chair Jerome Powell spoke, but shorter-term yields have been whipsawed in recent weeks. The path of Treasury yields will play a big role in whether the rally endures or stalls.

On the trading floor, fear is still visible. This CBOE Volatility Index pushed above 30 during recent sessions, a level that signals elevated anxiety among investors. The VIX topping 30 shows investors will cheer good headlines, but they also reprice risk fast when new negative news appears.

Fed comments and economic data

Federal Reserve Chair Jerome Powell acknowledged the jump in energy prices but told markets he sees inflation expectations as "well anchored beyond the short term." He added that the central bank might "eventually maybe face the question of what to do here," but that it's "not really facing it yet, because we don't know what the economic effects will be."

Powell's remarks pushed down the benchmark 10-year yield, while signalling the Fed is watching headline inflation closely without committing to immediate policy changes. That narrowed a debate: are recent price moves temporary or the start of a new inflation cycle?

Mastheads

Economic nowcasts add to the uncertainty. The Atlanta Fed's model trimmed its estimate for first-quarter growth to about 1.3%, a slowdown from stronger expectations earlier in the year. And consumer expectations for near-term inflation have risen; the New York Fed's survey showed median one-year inflation expectations around 3.4%.

Those gauges matter for monetary policy — for example, the 2-year yield has recently risen above the median fed funds rate and could affect Fed timing. If consumers begin to expect higher inflation for longer, the central bank could face pressure to keep rates higher than previously thought.

That, in turn, would affect valuations in equity markets that flourished on the assumption of lower-for-longer interest rates.

Political signals and the diplomatic track

The ceasefire itself is tied to diplomacy. President Donald Trump posted that the US is "in serious discussions with A NEW, AND MORE REASONABLE, REGIME to end our Military Operations in Iran," and said "great progress has been made." Talks were set to continue in Islamabad to discuss Iran's plan, with both sides signalling willingness to negotiate.

Those diplomatic steps are the main reason risk assets rallied — if mediation holds, the immediate shock to shipping, energy infrastructure and global trade could ease. But investors know the ceasefire is time-limited and subject to breakdown; the market's bounce reflects relief rather than confidence that the conflict is fully resolved.

Market strategy and investor behaviour

David Wagner, head of equities at Aptus Capital Advisors, said investors have grown used to a pattern where markets do worse on Thursdays and Fridays and better earlier in the week. He pointed out that since late February — when the conflict began — weekly return patterns have diverged from the past, with the market performing relatively worse toward the end of the week.

Wagner's observation helps explain why short-term traders have been quick to book gains on any green day. Momentum traders bought the ceasefire rally, but longer-term money is still pricing in higher volatility and the risk that oil-driven inflation stays elevated.

Technical indicators show the S&P 500 is in a recovery phase from its recent low, but investors are mindful of overbought signals if the rally runs too fast. Some strategists are watching whether the bounce extends into sustained gains or if it's a relief rally that fades when fundamentals reassert themselves.

Implications for Australia

Australian investors and markets are likely to follow these developments closely, because global energy prices and US monetary policy feed into local inflation and interest-rate expectations. Exports, the exchange rate and the cost of fuel are channels by which overseas shocks reach the Australian economy.

That said, the reporting on these developments makes clear the key variables are still US yields, oil prices and the durability of the diplomatic process. Australian equity and bond markets will take their cues from those variables rather than the ceasefire headline alone.

For Australian policymakers, a sustained rise in global petrol and shipping costs would make the job of keeping inflation near target harder. And for businesses, higher energy and freight costs would bite into margins unless they can pass prices on to consumers.

Where things go from here

The immediate test for markets is simple: will yields calm, and will oil retreat as repair work and shipping routes reopen? If the answer is yes, risk appetite could widen and support a move toward fresh highs in major equity indices. If not, the rally could reverse quickly.

Right now, traders are giving the ceasefire the benefit of the doubt. But they're not betting the farm. Volatility, oil prices and the next economic prints will decide whether the S&P 500 actually reaches a record close or pulls back again.

Markets will also be watching the scheduled talks in Islamabad for signs the diplomatic process can extend the ceasefire beyond two weeks. If the dialogue makes measurable progress, confidence will build. If it stalls, markets will reprice risk fast.

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"It's not really facing it yet,' because we don't know what the economic effects will be," said Jerome Powell, Fed Chair.

This article was created with AI assistance.