The index gained for the third day in a row after rising by 0.09 per cent on Friday and 0.12 per cent on Thursday.
In the morning session, Krungsri Securities forecast the SET Index on Monday would rise to 1,640 points before falling.
It said the index gained positive sentiment from the rise in other regional stock indices on hopes over the US-China teleconference meeting to discuss guidelines related to trading.
"However, foreign fund flow volatility due to uncertainty over the US Federal Reserve signalling it would raise the interest rate to deal with inflation, would pressure the index," Krungsri Securities said.
The 10 stocks with the highest trade value today were TRUE, CBG, KCE, BAM, CPALL, BANPU, PIN, EA, DELTA and ONEE.
Other Asian indices were on the rise, except in China mainland:
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