are there strategies for trading based on the closing price of a stock 
yes several strategies are used that focus on the closing price of a stock the closing price the last price at which a stock trades during a regular session is the focus of the end of day trading strategies which involves deciding trades based on the price moves at the end of the trading day traders look for signals from the closing price to predict the next day s market direction a prominent method is the closing price reversion strategy where if a stock s closing price deviates significantly from its historical average traders try to profit should it revert to the mean closing price breakout strategies involve looking for stocks whose closing prices have broken out of a particular range for instance a breakout above a resistance level could indicate a bullish trend the bottom linethe opening price for a stock is the price it trades immediately after the stock market opens at 9 30 a m eastern time it can be close to the price at the previous day s market close or shift significantly because of overnight news knowing the opening price for a stock and how it changes because of overnight trading is crucial information especially for those trading early in the day 