The trajectory of the Iran situation and the outlook for Federal Reserve monetary policy are emerging as the two most critical factors influencing global markets. A Deutsche Bank economic research team, in a recent report, systematically analyzed the potential impact of three possible outcomes from Iran ceasefire negotiations on the Fed's policy path. The three scenarios—from the fading of near-term rate hike risks, to multiple hikes in 2026, to a policy outlook fraught with two-way uncertainty—correspond to distinctly different market logics. The analysis notes that oil price movements will directly influence the anchoring of inflation expectations, thereby determining whether the Fed needs to restart rate hikes. In the bank's view, the most concerning scenario at present is not the most extreme one of escalating conflict, but rather the intermediate state of "failed negotiations and a stalemate." In this scenario, persistently high oil prices would most likely force the Fed to take substantive tightening action in 2026. Recent geopolitical developments show some progress in negotiations to extend the ceasefire and reopen the Strait of Hormuz, with markets already reacting optimistically. Brent Crude futures have fallen below $100 per barrel, hitting a near one-month low, and the yield on the 10-year U.S. Treasury note has also retreated sharply, erasing most of its gains from the past week. However, uncertainties remain regarding the details of the talks, with core disputes such as Iran's nuclear program yet to be resolved.
Scenario One: A Peace Deal is Reached – Near-term Hike Pressure Eases, but Medium-term Risks Linger In Deutsche Bank's first scenario, a breakthrough in negotiations leads to the reopening of the Strait of Hormuz. Oil prices continue their recent downward trend but remain above pre-conflict levels. U.S. Treasury yields retreat further, risk assets broadly strengthen as tail risks diminish, and financial conditions become more accommodative. In this context, pressure on the Fed to hike rates at upcoming meetings would ease significantly. As overall inflation data softens and short-term inflation expectations recede, Fed officials would be inclined to view recent core inflation pressures as temporary disturbances caused by the energy price shock, choosing to "look through" them rather than respond immediately. Deutsche Bank expects new Fed Chair Warsh would reinforce this inclination. However, the bank also warns that disproving the baseline narrative of "transitory inflation" will take time, and the risk of rate hikes does not disappear. If the labor market remains persistently tight, inflation expectations move higher, or inflation remains stubbornly high even after tariff and energy pressures subside, the risk of a policy rate increase would be more likely to materialize in 2027.
Scenario Two: Negotiations Fail, Stalemate Ensues – Highest Risk of 2026 Hikes Deutsche Bank characterizes the second scenario as the one with the "highest rate hike risk" among the three. In this situation, peace talks fail, the Strait of Hormuz remains closed long-term, but the conflict does not escalate further. Oil prices remain elevated rather than spiking sharply. Persistently high oil prices would more significantly feed into core inflation and pose a greater risk of unanchoring inflation expectations. Simultaneously, oil prices in this scenario would likely not be high enough to severely damage demand and force the Fed to shift its focus to the labor market. This implies the Fed would face one-sided inflation pressure without the justification to "stand pat due to an economic downturn." The bank believes the Fed is unlikely to take action to raise rates before its September meeting—a policy pivot would require multiple steps, including removing the easing bias (June), some officials publicly discussing the possibility of hikes (July-September), and the Committee reaching a consensus. However, it also notes that recent comments from Fed Governor Waller, who suggested rate hikes could be a reasonable choice if "inflation does not subside soon enough," indicate the Fed might be willing to tighten policy more quickly. Therefore, the possibility of multiple rate hikes in 2026 should not be ruled out.
Scenario Three: Conflict Escalates Again – Policy Outlook Faces Two-Way Risks The third scenario envisions a renewed escalation in the Iran situation, leading to a larger and more sustained surge in oil prices. Deutsche Bank argues this scenario does not necessarily mean the Fed will move unilaterally towards hikes; instead, it introduces two-way uncertainty into the policy outlook. On one hand, an escalation would drive overall inflation higher, more significantly and for longer, with core inflation facing more pronounced pass-through risks. The likelihood of inflation expectations becoming unanchored would tangibly increase. The Fed would then need to communicate clearly that it is willing to tighten policy to address price stability risks. On the other hand, a large and sustained rise in oil prices would increase the risk of non-linear shocks to the real economy, eventually affecting the labor market. Deutsche Bank points out that consumers can currently tolerate energy prices near current levels, with tax cuts providing some buffer against rising oil costs. However, if oil and gas prices climb significantly further, this buffer would be exhausted. At that point, the labor market could slip from its current fragile equilibrium of "low hiring, low layoffs," leading to further demand contraction or an eventual wave of job cuts. In this scenario, the Fed's ultimate policy stance would depend on the sequence in which these two types of risks materialize. If the economy remains resilient while inflation expectations become unanchored first, forceful tightening would be required. If cracks appear in the labor market first, the Fed might instead lean towards rate cuts, citing prospective easing of price pressures.
Synthesizing the three scenarios, Deutsche Bank's analytical framework reveals a clear logical chain: the Iran situation determines oil price trends; oil price trends determine the nature and duration of inflation pressure; and whether inflation expectations become unanchored ultimately determines the Fed's policy space. The most critical signals to watch now include: substantive progress in ceasefire talks, whether Brent Crude can stabilize below $100 per barrel, and changes in the rhetoric of Fed officials over the next several meetings—particularly regarding the removal of the easing bias or the public discussion of rate hike possibilities. These signals will be key observation points for assessing the probability distribution of the three scenarios outlined above.
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