In a monthly statement, the Stock Exchange of Thailand said that other exchanges particularly Taiwan and South Korea also witnessed similar capital outflows.
Ending at 1,440.12 points, the SET index in the month went down 4.3 per cent from June and 3.8 per cent from the same period last year.
In July, the market capitalisation stood at Bt13.95 trillion. Daily turnover was at Bt38.7 billion, down by 4.79 per cent from the previous month.