Iran War Shakes Forex: Oil Surge Reshapes Currencies
Robert J. Williams 
Alexandra Winters 
The US-Israeli strikes on Iran have slammed global forex markets, with the Strait of Hormuz—handling
21 million barrels of oil daily—seeing 70% traffic collapse. Oil prices have rocketed 50% to over
$110 per barrel, fracturing traditional currency pairs and boosting safe-haven flows.
Geopolitical Flashpoint: From Strikes to Regional Crisis
On February 28, 2026, joint US-Israeli operations killed Iran’s Supreme Leader Ali Khamenei and
targeted 26 provinces, prompting Iranian missile and drone retaliation against Gulf states.
Gulf producers like Saudi Arabia, UAE, and Kuwait cut output amid threats, while Saudi Aramco’s
Ras Tanura refinery shut down.
- Brent crude hit $120 peaks; US diesel surged 23% to $4.65/gallon.
- This energy shock overrides fundamentals, pricing in prolonged disruptions.
Safe-Haven Shakeup: Winners and Losers Emerge
Traditional hierarchies are breaking:
- USD rallies to DXY 98–99, fueled by oil’s dollar pricing and US energy exporter status; Fed eyes fewer cuts.
- CHF surges to decade highs, hailed as top safe-haven due to Switzerland’s fiscal strength and neutrality.
- JPY weakens despite history—Japan’s 95% Middle East oil imports via Hormuz create stagflation, overriding carry trade unwinds.
EUR/USD plunged from 1.1835 to 1.15–1.16 as the ECB grapples with energy inflation.
Commodity Currencies Diverge on Oil Shock
Oil exporters gain while importers suffer:
| Currency | Movement | Key Driver |
|---|---|---|
| CAD | USD/CAD to 1.35 | Canadian oil boom |
| NOK, RUB | Strengthening | Export revenue surge |
| AUD | Near 0.7070 | Asia growth hit offsets commodities |
| MXN | USD/MXN to 18.00 | Inflation and dollar strength |
Energy importers face trade balance erosion and policy traps.
Equity and Cross-Asset Ripples
- KOSPI crashed 12%—worst day ever—on Asia manufacturing fears.
- S&P 500 tests 6,737; VIX above 30.
- Gold volatile at $5,000–5,400; silver outperforms on industrial demand.
- Bitcoin resilient, rebounding to $69,400 as an equity hedge.
Alexandra Winters says:
“Traders should brace for prolonged USD-CHF strength as energy exporters outperform, but JPY’s weakness signals traps for carry plays. Baseline scenario favors hedging oil-importer shorts like AUD/MXN, with volatility spikes offering scalping opportunities if Hormuz talks emerge.”
Central Banks in a Bind
Oil-driven inflation complicates easing:
- Fed may pause cuts; markets price one 25bp trim in September.
- ECB and BoE face stagflation risks.
- BoJ warns of economic hit but holds steady.
Emerging markets like South Korea, India, and Mexico remain vulnerable to depreciation and financial stress.
Outlook: Scenarios Shape Next Moves
- Optimistic (4–6 weeks): Oil eases to $70–80; forex stabilizes.
- Baseline (6–8 weeks): Oil between $80–100; currencies depreciate 5–10%.
- Worst-case: Oil above $120; broad financial crises emerge.
Markets currently lean toward the baseline scenario, but volatility remains elevated.
Traders should watch upcoming FOMC decisions and inflation data for further direction.
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