Texas gas prices rose this week. Here's why

Texas average gas price reached $3.60/gal on March 23, 2026, up $0.20 from $3.40 last week and roughly $1.07 higher than a month ago, according to EIA data. Traders are pricing in supply risk from the Iran war alongside seasonal spring demand, and analysts say another $0.20–$0.30/gal increase is likely in coming weeks. The state average remains about 9.0% below the U.S. average of $3.96/gal; drivers face near-term volatility rather than indications of a long-term supply shutdown.

Analysis

Recent pump-price volatility is being driven by a spike in short-dated geopolitical risk premia that sits on top of seasonal demand growth — that combination amplifies gasoline crack sensitivity to headline flows more than crude fundamentals. Gulf Coast refining economics will be the transmission mechanism: exporters with capacity to pivot product barrels to global markets can capture outsized margins if regional cracks widen, while inland/retail-heavy players and margin‑thin convenience retailers take the downside. Inventory elasticity in the US is limited in the near term (few quick refinery builds, constrained spare distillation), so price moves will be large on small disruptions but mean revert quickly if shipping lanes reopen or diplomatic moves reduce perceived duration of disruption.

Key catalysts are asymmetric: near-term (days–weeks) resolution or ceasefires will create >20% downside in gasoline futures and compress refiners’ intraday gains; medium-term (1–3 months) sustained supply friction or tighter export windows through the Gulf could keep cracks elevated and lift refiners’ EBITDA by multiples relative to modest oil price rises. Policy responses (targeted SPR sales, diplomatic oil corridor assurances, insurance premiums for tankers) are high‑probability soft catalysts that cap the upside within 4–8 weeks. Watch implied volatility in RBOB and HO options as a leading indicator — elevated IV with backwardated prompt curve signals a short-term trading regime, not a structural break.

The market appears to be overpricing persistence: consensus positions imply a multi-month supply shock rather than a temporary routing disruption. That makes convex option structures and relative-value trades between refiners and integrated producers the highest expected-value plays — asymmetry favors capped-long/refiner exposure with disciplined stop rules. For portfolios, size these trades as tactical (2–6% of risk budget) with clear unwind triggers tied to IV collapse or diplomatic headlines resolving the disruption.

Key Decisions for Investors

• Long Gulf‑Coast refiner call spread: Buy VLO 3‑month 20% OTM call spread (buy 20% OTM, sell 40% OTM) sized to 2% portfolio risk. Rationale: capture widening gasoline/heating oil cracks while capping premium; target 25–40% return if cracks widen 30%+, max loss = paid premium.
• Refiner vs Integrated pair: Go long MPC or VLO and short XOM equal-dollar, 3-month horizon. Rationale: refiners leveraged to product cracks while majors’ upstream hedges mute upside; target 20–35% relative upside, stop-loss 15% on pair move against position.
• Volatility play in RBOB: Buy a 1–2 month RBOB call spread (10–15% OTM) and sell a 1‑week near‑the‑money call (roll weekly) to fund. Rationale: monetizes elevated short-term IV and directional upside from sustained disruption; capped risk = net premium, reward 2–4x if prompt gasoline spikes.
• Consumer discretionary hedge: Small short position in XRT or gas‑sensitive retail names (1–2% portfolio), 1–3 month horizon. Rationale: protects portfolio from consumption pullback if pump prices stay elevated; target 8–12% downside in idiosyncratic names if consumer spend softens.