They said given the market was closed for three days last week, it will have to factor in oil price and interest rate adjustments, whikets elsewhere in the region.
"We do expect the market to trade sideways given the long break. Normally, investors will need some time to get back into the rhythm," said an analyst at Mercury Securities.
He said time off for the Hindu Deepavali festival and the Muslim Eid al-Fitr meant volumes in the two trading days the market was open were thin and this was not expected to change immediately once the stock exchange reopens.
The composite index will reopen at 913.92 points after registering a gain of 8.13 points, or 0.90 percent, from the previous Monday.
Average daily volume was 231.77 million shares worth 534.06 million ringgit (141.48 million dollars) compared to 306.79 million shares valued at 666.53 million ringgit in the previous week.