In the morning session on Friday, DELTA's share price opened at Bt638 per share, up Bt102, or 19 per cent.
The price of DELTA shares rose from Bt53.50 per share at the beginning of this year amid the Covid-19 crisis, as its performance surpassed the market's expectation.
DELTA's second-quarter net profit was Bt2.02 billion, up 132 per cent year on year, while its third-quarter net profit was Bt2.64 billion, up 327 per cent year on year.
With the growth in performance and market capitalisation, DELTA was listed in MSCI Global Standard, FTSE SET Large-Cap Index, SET50 and SET100
As of December 24, DELTA's market capitalisation was Bt668.59 billion, up Bt604.04 billion compared to 64.55 billion at the beginning of this year.