AUD/USD has traded a quarter-cent range since the Ldn open; 0.6406-0.6431

The base of that range approximates to the 21-day moving average

US CPI data due at 1230 GMT; 0.3% MM, 3.6% YY f/c. Core f/c 0.3% MM, 4.1% YY

Hotter than expected US inflation data might depress AUD/USD to 0.6389

0.6389 was Wednesday's low (after rise to test 0.6445 Oct 2 high)

Chevron Australia, LNG unions make further progress in talks-union official