AUD/USD falls to 0.6306 (11-month low) following RBA's repeat rate hold

USD supported by scope for another Fed rate rise in November or December

On Monday, Mester said she suspects Fed may need to hike before year-end

0.6300 is an option barrier level. Large 0.6300 option expiry Friday

A$1 billion strike. 0.6332 (last week's low) is now a resistance level

US Aug JOLTS data due at 1400 GMT; 8.8M f/c. US Sept jobs report due Friday