Oil Prices Rebound After Reported US Strikes on Iran, Treasury $618 Billion Borrowing in...

Oil prices rose on Tuesday after reports that the United States carried out strikes on Iran's Qeshm Island, reviving concerns about an escalation in the conflict even as Washington signals that it remains open to a diplomatic settlement.

Brent crude futures gained 1.75% to $106.60 a barrel, while US West Texas Intermediate rose 1.7% to $98.10. The rebound followed a sell-off of more than 7% on Monday, when US President Donald Trump and Iranian officials signaled openness to negotiations to end the war.

The latest military developments have complicated expectations that diplomatic engagement could ease pressure on global oil supplies. Brent had reached its highest level since 2022 before Monday's decline, as markets weighed the possibility of further US strikes against Iran after the midterm elections.

US officials told The Wall Street Journal that American forces attacked Iran's Qeshm Island late Monday. The report also cited officials saying the US had conducted limited strikes against Iran in recent weeks.

The military campaign has been kept relatively low-profile to avoid signaling preparations for a wider escalation, according to an unnamed official quoted in the report.

The reported strikes came alongside renewed public statements from the Trump administration about the possibility of a negotiated settlement. Vice President JD Vance told CNN that he and Trump felt positive about the prospects for an agreement.

"The president and I both feel really good about the prospect of potentially coming to a negotiated settlement," Vance said.

Secretary of State Marco Rubio also said on Sunday that Trump wanted to resolve the conflict diplomatically and preferred not to use military force.

The combination of military action and diplomatic messaging has left oil markets sensitive to developments on both fronts. Traders are weighing the risk that further attacks could prolong disruptions to energy supplies against the possibility that negotiations could reduce the geopolitical premium embedded in crude prices.

The direction of oil prices carries significant domestic implications for the Trump administration. Higher crude prices have contributed to rising inflation and elevated gasoline costs in the United States, increasing pressure on households ahead of Tuesday's midterm elections.

A sustained rise in energy prices could complicate the administration's efforts to contain living costs. Fuel costs feed directly into household budgets and can also raise transportation and production expenses across the economy.

The inflationary impact has implications for monetary policy as well. Two Federal Reserve presidents said last week that interest rates may need to rise to bring inflation under control. Higher borrowing costs can restrain economic activity and increase financing expenses for consumers and businesses, but they are also used by the central bank to moderate price pressures.

Therefore, the oil market is responding to more than the immediate risk to supply. A prolonged conflict could keep energy prices elevated, complicating the inflation outlook and increasing pressure on the Federal Reserve to maintain or tighten monetary policy.

However, the latest price movement also shows how quickly expectations can change when diplomatic signals emerge. Monday's sharp decline demonstrated that markets were willing to reduce some of the risk premium attached to crude when the prospect of negotiations appeared to improve. Tuesday's rebound suggests that reported military activity has restored some uncertainty.

Treasury Borrowing Plans Add to Bond-Market Focus

Alongside the developments in energy markets, investors are preparing for the US Treasury's quarterly refunding announcement on Wednesday, which could provide further guidance on government borrowing and the supply of government bonds.

The Treasury said on Monday it expects to borrow $618 billion in the fourth quarter, $10 billion less than its August estimate. The lower headline projection reflects a larger-than-assumed starting cash balance, which partly offsets weaker projected net cash flows.

Excluding the benefit of that higher opening cash cushion, the increase in borrowing requirements is $24 billion above the August estimate. The department expects to end December with a cash balance of $850 billion.

For the first quarter of 2027, the Treasury projected borrowing of $800 billion, based on an expected end-March cash balance of $1 trillion.

The government borrowed $742 billion in the third quarter and ended September with $984 billion in cash. That was above its August projection of $739 billion, although borrowing was $30 billion lower than previously expected after adjusting for the larger-than-assumed cash balance.

The headline borrowing figures matter to investors because government debt issuance influences the supply of securities available to the market. Changes in auction sizes can affect bond yields, financing costs and the broader pricing of financial assets.

Traders will pay particular attention to whether the Treasury signals any adjustments to auction sizes in the coming quarters. In August, the department said it was continuing to evaluate potential future changes to coupon and floating-rate note auction sizes. That wording differed from its May announcement, which had referred to potential future increases in debt sales.

The change prompted speculation that the Treasury could eventually reduce some longer-dated bond auctions while relying more heavily on Treasury bills and short- to intermediate-term securities to finance government borrowing.

Analysts see the 20-year and 30-year bond auctions as the most likely candidates for reductions if the Treasury changes its issuance mix. Under that scenario, increases could concentrate in the two- to seven-year maturities. Views remain divided on whether the benchmark 10-year note auction could also expand.

A shift towards shorter maturities could reduce the supply of long-dated government bonds, although the overall effect would depend on the scale and composition of any changes. The maturity structure matters to investors because longer-term securities expose holders to greater interest-rate risk and can carry different yield premiums.

Market participants will also monitor the Treasury's bond buyback programme, which is designed to support liquidity in the government debt market. The department has raised the maximum size of its longer-dated buyback operations to $6 billion from $2 billion.

The refunding announcement comes at a time when investors are already assessing the inflation implications of higher energy prices and the possibility of further interest-rate increases. Together, developments in the Iran conflict, crude prices, and Treasury issuance are expected to shape expectations for US borrowing costs and financial conditions in the weeks ahead.