PetrolCast

Market Update

Sunday 22 March 2026

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

Market signals

Brent Crude

US$112.19

per barrel

vs week prior:+8.8%

Singapore MOGAS tracks Brent with ~1 week lag

AUD/USD

0.7081

exchange rate

vs week prior:Flat

A lower AUD raises the cost of imported fuel

Import Parity

174.3

cents per litre

vs week prior:+5.3%

Estimated wholesale cost before excise and GST

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