The 20 US states where gas prices are rising the most amid the Iran war

Average U.S. gas prices rose 31.03% month-over-month, with a gallon exceeding $3 in all 50 states and New Mexico experiencing the largest increase at 45%. The escalation follows a U.S.-Israeli military operation against Iran and significant disruption to passage through the Strait of Hormuz (roughly 20% of global oil/LNG flows), driving broad oil market rallies; AAA data (Mar 18 vs Feb 18) show 20 states with increases outpacing the national average.

Analysis

Regional pump-price dispersion is now signaling a midstream and logistics bottleneck rather than a pure upstream supply shock. States adjacent to the Permian (e.g., New Mexico) are showing outsized retail moves that imply strained product takeaway or localized refinery shortfalls — that spreads into higher trucking and rail demand, lifting margins for midstream and terminal operators while increasing costs for local distributors.

A sustained risk premium on crude because of Strait-of-Hormuz disruptions raises both tanker insurance and freight costs, which are a hidden tax on exported refined products and LNG; that widens delivered product spreads into import-dependent coastal markets. At the same time, refiners with export access (Gulf/West Coast) can capture elevated crack spreads, but their optionality is capped by scheduled maintenance windows and available crude quality, creating asymmetric winners among refiners.

Time horizons separate drivers: days–weeks are dominated by shipping reroutes and insurance rate shocks, months are where US shale and refinery throughput dynamics reassert themselves, and quarters+ are when demand destruction or policy responses (SPR releases, sanctions relief) can reverse prices. Tail risks include a diplomatic détente that collapses the premium quickly, or conversely a broadened conflict that forces protracted tanker detours and structural increases to freight and insurance for 6–12+ months.

For portfolios, prefer convex, liquid exposure to US onshore producers and select refiners while hedging macro consumption risk. Avoid naked long consumer cyclicals and airlines; instead implement paired trades and defined-risk option structures that monetize the current risk premium but limit downside if the geopolitical flashpoint resolves within 30–90 days.

Key Decisions for Investors

• Long FANG (Diamondback Energy) 3–9 month call spread (buy 1x 3-month ATM call, sell 1x 3-month +20% call). Rationale: high operating leverage to WTI with defined cost; target 2.5x upside if oil remains elevated, max loss = premium paid (~100% of premium). Trim into strength if WTI > $90/bbl.
• Long MPC (Marathon Petroleum) equity, size 3–5% portfolio, horizon 1–6 months. Rationale: Gulf Coast refiners benefit from widened gasoline/heating-oil cracks and export optionality; set stop-loss at -20% and take 50% profits if Brent/WTI crack spreads widen by 30% vs 30-day avg.
• Pair trade: Long VLO (Valero) vs Short UAL (United Airlines) for 1–3 months. Rationale: hedges energy upside (refiner profit) against consumer/airline squeeze; target asymmetric payoff where oil shock drives VLO +15–30% vs UAL -10–20%. Size as market-neutral delta exposure.
• Defined-risk crude hedge: Buy USO 2–4 week out-of-the-money puts and sell nearer-dated puts (calendar put spread) to protect portfolio against a sudden oil spike reversal from diplomatic de-escalation. This caps cost of insurance and profits if a rapid drop occurs within 30–60 days.
• Avoid/underweight consumer discretionary and regional airlines (AAL, LUV small tactical shorts) for 1–3 months; allocate proceeds to short-duration energy-linked credit and high-quality refiners. Risk: rapid geopolitical de-escalation could bounce these names; keep position sizes <2% NAV each.