Shares fluctuated on the Australian market amid early US election results, but have finished barely changed as the world waits to learn who is voted president.

The S&P/ASX200 benchmark index closed lower by 4.3 points, or 0.07 per cent, to 6062.1 on Wednesday.

The index fell to a session low of 5986 at about 1230 AEDT, but improved to a session high of 6096.4 with about 90 minutes remaining.

The All Ordinaries closed higher by 2.2 points, or 0.04 per cent, to 6265.

The Aussie dollar was buying 71.21 US cents at 1647 AEDT, lower from 70.45 US cents at the close of trade on Tuesday.