2021-03-30 16:54:54
What is the Monday Effect - and how does it affect you?In 1973, Frank Cross shook the world of finance with his paper, The Behavior of Stock Prices on Fridays and Mondays. He showed that average stock market returns on a Monday are substantially lower than average returns on the last Friday. He used the data from 1950 to 1970 - and price movements since then have validated his observation.
A 2011 paper showed that the Monday effect holds for the performance of stocks on BSE and NSE as well. But what explains the Monday effect?
One explanation is that companies tend to dump negative news after trading closes on Friday. When trading reopens on Monday, the market reasonably reacts to the negative news and prices adjust downward.
Another explanation: individual traders sell more than they buy on Monday, and institutional traders are the least active on Mondays.
Individual traders’ greater propensity to sell might be a reflection of their desire to clear up their positions, get liquidity, and take fresh positions for the week. Taken together, the institutional reluctance to participate heavily and the individual selloffs might explain the Monday effect - at least partially.
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