Investor sentiment at the Colombo Stock Exchange (CSE) remained subdued throughout the trading week ended October 23, 2026, as the market suffered continuous losses across all five trading sessions. A sustained drop in buying enthusiasm led to a loss of Rs. 186.25 billion in overall market capitalization over the course of the week.

The benchmark All Share Price Index (ASPI) opened the week at 20,185.05 points before tumbling 500.14 points (or 2.48%) to close at 19,684.91 points on Friday (23). Similarly, the blue-chip S&P SL20 Index dropped 125.20 points (or 2.18%), moving from 5,738.83 points at the previous week's close to 5,613.63 points.

Overall trading engagement slowed significantly as total weekly turnover contracted by 30.19% (or approximately Rs. 2.08 billion) to stand at Rs. 4.80 billion (Rs. 4,806,174,106). This marks a sharp decline from the Rs. 6.88 billion (Rs. 6,884,615,541) recorded during the preceding trading week.

A total volume of 215,472,127 shares changed hands across 64,924 trades during the 5-day trading period, down from 347,313,821 shares and 84,134 trades logged in the previous week.

Driven by the week-long decline, total market capitalization lost 2.55% of its value, shrinking from Rs. 7,293.27 billion (Rs. 7.29 trillion) at the start of the week to Rs. 7,107.01 billion (Rs. 7.11 trillion) at the close. Accordingly, the market value lost from the Colombo Stock Exchange during the past week alone stands at Rs. 186.25 billion.