The ASX200 has had its best month on record, with gains of 9.96 per cent coming amid optimism for a coronavirus vaccine and US election results.

The record, set after trade closed on Monday, topped the 8.78 per cent of April when investors began adjusting to the impacts of the coronavirus in Australia.

The S&P/ASX200 benchmark index was setup in 2000.

Meanwhile in Monday trade, the ASX200 closed lower by 83.3 points, or 1.26 per cent, to 6517.8.

The All Ordinaries closed lower by 74.7 points, or 1.1 per cent, to 6742.1.

Utilities, consumer discretionaries and materials were the most depleted sectors.

The Aussie dollar was buying 73.88 US cents at 1621 AEDT, up from 73.75 US cents at Friday’s close.