The Australian share market is expected to open higher after a positive lead from overseas.

The SPI200 futures contract was up 21 points, or 0.33 per cent, at 6,383.0 at 0700 AEST, suggesting a rise for the benchmark S&P/ASX200 on Thursday.

On Wall Street overnight, the Dow Jones Industrial Average closed up 0.82 per cent, the S&P 500 was up 0.82 per cent and the tech-heavy Nasdaq Composite was up 0.64 per cent.

The Aussie dollar is buying 69.69 US cents from 69.98 US cents on Wednesday.