Global markets rally after US-Iran MoU, Jefferies warns calm may be temporary

Confirmed data points

• Ceasefire framework references a 60-day negotiation window with potential sanctions relief and access to previously frozen Iranian assets.

• Jefferies strategist Christopher Wood, in a note titled "The Art of Capitulation," flagged the terms as a significant departure from prior US posture.

• US hyperscaler capital expenditure is estimated to approach $700 billion this calendar year, per the same note.

• Leveraged ETFs linked to SpaceX generated turnover exceeding $8 billion within days of launch, cited as a bubble proxy.

• Trump's disapproval rating is reported above 60%, a level associated with late-tenure Nixon polling data.

• US equity fund inflows were material for the week ending June 17.

• Bond markets registered net inflows as traders repriced the rate path lower.

• Shipping activity in strategic maritime corridors has not returned to baseline.

Sectoral and flow breakdown

• Semiconductors, AI infrastructure, and cloud-computing constituents led inflow concentration.

• Financials benefited from lower energy-price passthrough assumptions feeding into consumer-spending forecasts.

• Industrials with logistics and infrastructure exposure saw allocation increases on supply-chain normalization expectations.

• Defense-adjacent names showed mixed flows, consistent with uncertainty over the durability of the framework.

Risk parameters

The probability-weighted scenario remains skewed toward mean reversion in the geopolitical risk premium. Jefferies' base case assigns non-trivial odds to framework attrition, citing potential resistance from Washington's national security apparatus and the political cost function attached to a 60%+ disapproval reading. The concentration variable — a narrow leadership profile driven by AI-linked capex intensity near $700 billion and speculative turnover above $8 billion in a single product cohort — raises the conditional variance of the index path even as headline volatility falls. Shipping throughput normalization remains the leading indicator to monitor; failure to revert toward baseline within the 60-day window would invalidate the current risk-on assumption and likely compress the cyclical-to-defensive spread. Inflation persistence is the secondary constraint on central bank optionality and the dominant downside pivot for the trade.