The Australian stock market has surged to an 11-year high as investors react to the Coalition's unexpected federal election win.

The benchmark S&P/ASX200 index was up 97.0 points, or 1.52 per cent, to 6,462.3 points at 10.30am today, while the broader All Ordinaries was up 92.8 points, or 1.44 per cent, to 6,553.0.

The S&P/ASX 200 has not been this high since December 14, 2007