TL;DR

Israeli Prime Minister Benjamin Netanyahu declared on Sunday that the war with Iran is "not over," and U.S. President Donald Trump rejected Tehran's latest peace proposal as "TOTALLY UNACCEPTABLE." Oil prices surged sharply in early Monday trading, with WTI crude up more than 3% to $95.42 per barrel and Brent crude topping $104. U.S. equity futures declined, with S&P 500 contracts falling around 0.3% in early Asia trade. The Strait of Hormuz -- the world's most critical oil shipping chokepoint -- remains a focal point for market risk as a deal between the two sides continues to elude negotiators.

What Happened: Iran War Peace Talks Hit a Wall

The week began with a sharp deterioration in Iran war diplomacy. In a taped interview on CBS's 60 Minutes that aired Sunday night, Netanyahu said the conflict with Iran is far from finished.

"There's still nuclear material, enriched uranium that has to be taken out of Iran," Netanyahu said. "There are still enrichment sites that have to be dismantled, there are still proxies that Iran supports, there are ballistic missiles that they still want to produce. There's work to be done."

When asked how the U.S. and Israel would remove the nuclear material, Netanyahu replied: "You go in, and you take it out."

Hours later, Trump posted on Truth Social after reviewing Iran's latest counteroffer to a U.S. proposal: "I have just read the response from Iran's so-called 'Representatives.' I don't like it -- TOTALLY UNACCEPTABLE!"

The Wall Street Journal reported Sunday that Iran had not agreed to key U.S. demands. Negotiations have been taking place through mediators in Pakistan, but a deal remains out of reach. The ceasefire that briefly eased tensions and prompted a short-lived drop in oil prices has not been replaced by any durable agreement.

Why Oil Markets Moved: Supply Fears Reassert Themselves

The immediate market reaction was sharp and broad-based in energy markets.

U.S. West Texas Intermediate (WTI) crude futures for June delivery advanced 3.08% to $95.42 per barrel. The international benchmark Brent crude for July delivery rose 3.16% to $104.49 per barrel. These are meaningful moves for a single overnight session -- the kind that attract follow-through from trend-following commodity funds and energy traders.

The context matters. The International Energy Agency (IEA) has warned that the ongoing Iran conflict is removing approximately 14 million barrels per day from global supply. The Strait of Hormuz -- through which roughly 20% of the world's oil passes -- has been closed to normal traffic since the conflict began.

Analysts at Citi wrote in their latest oil report that risks to crude prices remain tilted to the upside. They noted that markets have been partially cushioned by high inventories, strategic petroleum reserve releases, weaker demand in developing economies, and intermittent signs of potential de-escalation. However, they maintained that Iran retains "significant control over the timing and terms of any potential agreement to reopen the critical Strait of Hormuz energy route."

Citi's base assumption is that a deal reopens the strait around end-May, but the firm sees risks skewed toward that timeline slipping, or a partial reopening that prolongs supply disruptions.

Broader Market Transmission: Equities and Risk Sentiment

The oil spike fed through into equity futures. S&P 500 futures contracts declined around 0.3% in early Asia trade Monday. The dollar gained against major peers, adding modest headwinds to risk assets.

The move arrives at a sensitive moment for U.S. equities. Investors are already tracking Trump's scheduled state visit to Beijing on May 14-15 to meet Chinese President Xi Jinping, where a broad set of issues including Iran, Taiwan, and trade are expected to be on the agenda. For a deeper look at the stocks most exposed to that summit, see our prior coverage: Trump Heads to Beijing: Boeing, Nvidia, and AI Chips in the Balance. For background on the earlier Brent oil spike during this conflict, see: Tehran Air Defenses Report: When Brent Oil Topped $105.

The week also brings April CPI and PPI inflation reports -- data that will be scrutinized for signs that sustained higher oil prices are feeding into broader consumer price pressures. Energy companies with Strait of Hormuz exposure, LNG exporters, and refining-heavy names may see elevated volatility.

Implications for Traders

Energy and Futures Traders

The oil spike above $95 WTI and $104 Brent resets the near-term range. WTI has now effectively recaptured the levels seen before prior ceasefire-related selloffs. With Citi flagging upside risk and the IEA citing massive supply displacement, options markets in crude are likely to reprice implied volatility higher. Traders should also watch natural gas prices, which have moved in tandem with broader energy disruption throughout the conflict.

Equity Traders

Energy sector stocks are the direct beneficiary in a sustained oil-up scenario. Airlines, consumer staples exposed to fuel costs, and industrial companies with energy-intensive operations face margin pressure. The S&P 500 faces a headwind if oil remains elevated heading into the CPI print -- a hot energy-led inflation reading would complicate the Fed's path further.

Macro and FX Traders

The dollar's early Monday strength is a classic risk-off signal. A prolonged Hormuz disruption is inflationary for the U.S. and stagflationary for import-dependent economies. Watch EUR/USD and emerging-market currencies tied to energy imports for follow-through moves.

Potential Positives vs Negatives

Potential positives:

  • Energy sector stocks and oil-linked assets benefit directly from sustained WTI/Brent at elevated levels.
  • U.S. LNG exporters gain as global buyers scramble to replace lost Middle East supply.
  • A hawkish negotiating stance from Trump and Israel could, paradoxically, accelerate Iran into accepting a deal that fully reopens Hormuz -- delivering a sharp disinflationary relief rally in oil.
  • Treasury yields could fall if risk-off sentiment intensifies and market participants seek safety in bonds.

Potential negatives:

  • Sustained oil above $100 Brent would push inflation higher globally, reducing the probability of Fed rate cuts this year.
  • A further escalation -- such as additional strikes on Iranian energy infrastructure or a retaliatory disruption in the strait -- could send oil to multi-decade highs and trigger a broad equity selloff.
  • High energy costs are already compressing profit margins for airlines, chemicals, and industrials. A prolonged disruption deepens that pressure.
  • Consumer confidence and retail spending could deteriorate if gasoline prices continue to rise in the U.S.

What Could Happen From Here: Three Scenarios

Base Case: Stalled Talks, Oil Stays Elevated (Most Likely)

Negotiations resume through Pakistani or other mediators but make limited progress in the near term. The Strait of Hormuz remains closed or only partially reopened. WTI trades in a range of $90-100 through late May. U.S. equity markets absorb the energy-inflation headwind with moderate volatility, while energy stocks outperform.

Confirmed by: Additional days without progress on deal terms, no change in Hormuz tanker traffic data.

Invalidated by: A new ceasefire announcement or joint Iran-U.S. statement on framework terms.

Upside for Oil: Further Escalation

Netanyahu's public statement that Iran's nuclear material must be physically removed suggests the possibility of further Israeli military action. If a new strike occurs, or if Iranian proxies respond with attacks on Gulf energy infrastructure, Brent crude could move toward $115-120 rapidly. Equity markets would likely sell off sharply in that scenario, and gold would move higher as a safe haven.

Confirmed by: Reports of new strikes, additional Iranian missiles or drone activity near UAE or Saudi facilities, or formal Iranian exit from ceasefire commitments.

Invalidated by: A direct diplomatic communication between Tehran and Washington signaling renewed goodwill.

Downside for Oil: Surprise Deal

If the Trump-Xi summit produces pressure on China to stop purchasing Iranian oil -- or if it creates a diplomatic backchannel for a Hormuz reopening deal -- oil could fall sharply. A ceasefire that includes a clear Hormuz reopening timeline could push WTI back toward $80, unwinding much of the current risk premium.

Confirmed by: Joint statement from U.S. and China on Iran energy trade, or a new ceasefire announcement from Iranian foreign minister Araghchi.

Invalidated by: Trump-Xi summit ends without agreement on Iran, or Tehran makes new demands that Washington publicly rejects.

What to Watch Next (Next 24h)

  • Hormuz tanker traffic data: Live monitoring services are tracking vessel transit counts through the strait in real time. Any resumption of meaningful tanker flow would be a direct catalyst for oil to fall.
  • Trump Truth Social and press statements: Given the pattern of oil-moving posts from the president, any further comment on Iran negotiations will move markets quickly.
  • CPI/PPI this week: April inflation data will show how elevated energy prices from March-April are flowing through to broader price indices. A hot reading with oil already surging Monday would put further pressure on the Fed's rate cut timeline.
  • Natural gas prices: Watch Henry Hub and European TTF gas prices for sympathy moves with oil. LNG export terminal stocks and pipelines may also react.
  • Gold and VIX: Gold at elevated levels alongside a rising CBOE Volatility Index (VIX) -- the market's "fear gauge" -- would signal that traders are preparing for further equity downside.

Sources

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