I am not sure if there is such a statistic but it will be interesting to know. Is Monday the worst day to buy stocks because people have Monday blues, so Mr Market will be in bad mood? Is Friday the best day because people are in good mood (Thank God it's Friday), so Mr Market will be in good mood?
I currently measure most volatile day per stock for my options trading. I dont think it would be too much of a stretch to change the measure from quantifying spikes into quantifying range associated with an up or a down move. If you want to do that, you will have to load data into some tool to bring those facts out. I don't think there are indicators present in brokers packages that can measure those. Try sierra, Ninja, Amibroker or make your own thru python,etc.
Days when it goes up. "Buy a stock, if it goes up, sell it, if it goes down, don't buy it." Yogi Berra
Sure there is but it depends on the time frame and the difference can be minoscule aka not worth exploiting. In 2018 it was Friday and the worst day was Thursday: https://www.investopedia.com/day-trading/best-time-day-week-month-trade-stocks/
. %% Well since mondays can be worse +much worse in a bear market-that can be a help.Most likely because people would rather work 6 days week rather than 7.. NOT a prediction.
Why don't we test it? Let's buy now 2647 (Th worst day) and sell tomorrow (Fr best day). We shall see!!