The Australian share market has opened slightly lower, after US stocks and commodity prices fell overnight.

At 1015 AEDT on Friday, the benchmark S&P/ASX200 index was down 14.2 points, or 0.3 per cent, at 4,726.5 and the broader All Ordinaries index also fell 14.2 points, or 0.3 per cent, to 4,747.2.

On the ASX 24, the March share price index futures contract was down 18 points at 4,698 with 6,398 contracts traded.