Here's what needs to happen before oil starts flowing through the Strait of Hormuz again

Daily transits through the Strait of Hormuz have collapsed ~90–95% and Brent crude is trading near $113/bbl (up >50% from prewar), creating a material Middle East supply shock. Marine war-risk insurance has surged to roughly 3.5–10% of vessel value (from a fraction of a percent prewar) while ~130 crude/fuel oil and ~210 refined-product tankers sit in the Persian Gulf. Normalization depends on a clear ceasefire or degradation of Iran’s strike capability — exports could recover over weeks-to-months after a ceasefire (potentially by July if a ceasefire occurs by April/May), but LNG damage in Qatar may take 3–5 years to repair. Military escorts and U.S.-backed insurance programs may help but are unlikely to restore flows or markets immediately.

Analysis

Insurance economics—not just headline premiums—will determine winners. Underwriting income flows into balance sheets immediately but realized profitability depends on whether claims materialize and on how quickly government-backed capacity (or capital reallocation into the Lloyd’s/Chubb pool) compresses war-risk spreads. That creates a two-stage outcome for carriers: near-term EPS lift if losses are limited, followed by potential margin normalization if public backstops or re-capitalization cap rates within 3–9 months.

Shipowners and owners of tanker capacity are positioned to capture a storage/freight premium embedded in the market structure, but that premium is fragile. It’s asset-light in effect—cash returns rely on time-charters and spot spikes—so upside is front-loaded and vulnerable to a rapid unwind once safe, repeatable transits are observed over several weeks. A short “watch-and-wait” period of 2–6 weeks of successful convoys (or confirmed escort doctrine) is the most likely trigger for a fast blow-off in freight realizations.

Brokers and intermediary platforms face asymmetric outcomes: elevated transactional volumes and fee uplifts are sticky in the short run, but regulatory scrutiny, counterparty credit stress and the possibility of government-insured product crowding could limit margin expansion. That makes fee capture less attractive than balance-sheet-led underwriting exposure if you must choose one.

Key tail risks and timing: a confirmed, enforceable ceasefire or internationally led escort program would compress premiums and freight within days–weeks on the paper curve and over 1–3 months in the physical market; conversely, lasting damage to Gulf liquefaction/export hubs would sustain higher energy premia for years, re-rating energy-linked transport and specialty insurers on a multi-year view.

Key Decisions for Investors

• Long CB (Chubb) — buy shares or buy 6–9 month calls (delta ~0.40). Rationale: direct underwriting upside from war-risk premiums plus potential to monetize government-backed schemes. Position size: 3–5% portfolio; target +30% if claims stay muted; stop -15% if large loss event or visible policy attrition occurs.
• Pair trade: long CB / short AON (equal $ notional) for 3–6 months. Rationale: favor balance-sheet underwriters over brokers as underwriting captures premium directly while broking fees may be competed away by government-backed insurance products. Expected reward ~1.8x downside if premiums persist; cut if DFC program rollout materially benefits broker revenue (catalyst watch).
• Tanker exposure (selective) — buy frontline/spot tanker owners (example: FRO or STO) for 1–3 month tactical trade. Rationale: capture floating storage and spot freight spikes. Size: tactical 1–2% with tight 25–30% stop; take profits on first week of sustained safe transits.
• Buy 3-month Brent call spread (OTM) as a directional hedge to energy dislocation. Rationale: limited-cost asymmetric payoff if conflict extends or infrastructure damage persists. Risk: option premium expires worthless on rapid normalization; allocate <1% notional as tail protection.