The Australian share market is expected to open lower despite gains on Wall Street overnight.

The SPI200 futures contract was down 29.0 points, or 0.43 per cent, at 6,743.0 at 0700 AEDT, suggesting a fall for the benchmark S&P/ASX200 on Friday.

On Wall Street, the Dow Jones Industrial Average was up 0.46 per cent, the S&P 500 was up 0.41 per cent and the tech-heavy Nasdaq Composite was up 0.60 per cent.

The Swedish central bank became the first in the world to escape negative interest rates overnight as the Riksbank raised benchmark borrowing costs from minus 0.25 per cent to zero.

The Aussie dollar is buying 68.86 US cents from 68.79 US cents on Thursday.