Market Update
Monday 18 May 2026
Unleaded 91 · Brent crude, AUD/USD, and city-by-city 4-week outlook
Market signals
Brent Crude
US$108.96
per barrel
Singapore MOGAS tracks Brent with ~1 week lag
AUD/USD
0.7172
exchange rate
A lower AUD raises the cost of imported fuel
Import Parity
169.8
cents per litre
Estimated wholesale cost before excise and GST
City-by-city outlook
Sydney
Stablelow confidencePetrol import costs are currently around 27% above where they were six weeks ago, driven by global supply disruptions. While costs have stabilised in the short term, the price floor has risen — expect to pay more than historical averages for the foreseeable future. Short-term cycle swings still apply, but each peak and trough will be higher than what was normal before the disruption.
Adelaide
Stablelow confidencePetrol import costs are currently around 27% above where they were six weeks ago, driven by global supply disruptions. While costs have stabilised in the short term, the price floor has risen — expect to pay more than historical averages for the foreseeable future. Short-term cycle swings still apply, but each peak and trough will be higher than what was normal before the disruption.
Brisbane
Stablelow confidencePetrol import costs are currently around 27% above where they were six weeks ago, driven by global supply disruptions. While costs have stabilised in the short term, the price floor has risen — expect to pay more than historical averages for the foreseeable future. Short-term cycle swings still apply, but each peak and trough will be higher than what was normal before the disruption.
Melbourne
Stablelow confidencePetrol import costs are currently around 27% above where they were six weeks ago, driven by global supply disruptions. While costs have stabilised in the short term, the price floor has risen — expect to pay more than historical averages for the foreseeable future. Short-term cycle swings still apply, but each peak and trough will be higher than what was normal before the disruption.
Perth
Stablelow confidencePetrol import costs are currently around 27% above where they were six weeks ago, driven by global supply disruptions. While costs have stabilised in the short term, the price floor has risen — expect to pay more than historical averages for the foreseeable future. Short-term cycle swings still apply, but each peak and trough will be higher than what was normal before the disruption.