PetrolCast

Market Update

Thursday 19 March 2026

Unleaded 91 · Brent crude, AUD/USD, and city-by-city 4-week outlook

Market signals

Brent Crude

US$108.65

per barrel

vs week prior:+8.2%

Singapore MOGAS tracks Brent with ~1 week lag

AUD/USD

0.7030

exchange rate

vs week prior:-1.4%

A lower AUD raises the cost of imported fuel

Import Parity

171.6

cents per litre

vs week prior:+5.8%

Estimated wholesale cost before excise and GST

Current market update →How petrol prices are set →How our forecasts work →