Why Don't Stocks Begin Trading at the Previous Day's Closing Price? (2024)

In the stock exchanges, the prices of stocks are fluid and constantly changing. The price quoted for a stock at any point throughout the day is simply the price that paid the last time that stock was traded.Stock exchanges match buyers and sellers, but the forces of supply and demand determine the prices at which stocks are bought and sold.

According to the forces of supply and demand, no trade can occur until one participant is willing to sell the stock at a price (the ask price) at which another is willing to buy it (the bid price). This point, where a buyer and seller agree on a price, is called an equilibrium. If there are more people who want to buy a stock than people who are willing to sell the stock–there are more buyers than sellers–the stock's price will rise due to increased demand. On the other hand, if more people are selling a given stock than are buying it, its price will decrease.

Key Takeaways

  • Stock prices are fluid and constantly changing.
  • Any price quoted is the price paid from the last stock trade.
  • Companies can release news after the market is closed and shift investors' sentiment.
  • Shifting investor sentiment can change a stock's price without trades occurring.
  • After-hours trading (AHT)impacts the stock price between the closing and opening bells.

The listed closing price is the last price anyone paid for a share of that stock during the business hours of the exchange where the stock trades. The opening price is the price from the first transaction of a business day. Sometimes these prices are different. During a regular trading day, the balance between supply and demand fluctuates as the attractiveness of the stock's price increases and decreases. These fluctuations are why closing and opening prices are not always identical. In the hours between the closing bell and the following trading day's opening bell, a number of factors can affect the attractiveness of a particular stock.

Company Announcements Can Alter Investor Sentiment

News about a company often comes out while the market is closed, and this can shift what investors are willing to pay to own a share of the company. In fact, many companies wait until after the markets close before making any major announcements. For example, a positive earnings announcement may be issued, increasing a stock's demand and raising the price from the previous day's close. Conversely, bad news can negatively affect the price by creating less demand for the shares. Without any trades taking place, investor sentiment can change the price of a stock.

After-Hours Trading Shifts Prices of Stocks

Along with news about a company, the development of after-hours trading (AHT)has had a major effect on the price of the stock between the closing and opening bells. AHT means that transactions are happening and shifting the prices of stocks even after-hours. AHT used to be restricted to institutional investors and high-net-worth individuals; however, with the development of electronic communication networks (ECNs), AHT is now available to average investors. With wider spreads and less liquidity than what is seen during the day, AHT creates greater volatility in a stock's price.

Why Don't Stocks Begin Trading at the Previous Day's Closing Price? (2024)

FAQs

Why Don't Stocks Begin Trading at the Previous Day's Closing Price? ›

During a regular trading day, the balance between supply and demand fluctuates as the attractiveness of the stock's price increases and decreases. These fluctuations are why closing and opening prices are not always identical.

Why is the opening price sometimes different from the closing price of the previous day? ›

When the market opens the next day, this large amount of limit or stop orders—placed at prices different from the prior day's closing price—causes a discrepancy between supply and demand. This causes the opening price to move off the previous day's close toward prices corresponding to the overnight changes.

What is the previous day closing price? ›

Previous close almost always refers to the prior day's final price of a security when the market officially closes for the day. It can apply to a stock, bond, commodity, futures or option contract, market index, or any other security.

Why do stocks go up before closing? ›

Before the closing bell

Stocks that have been trending up typically keep rising, while stocks that have been tracking lower often plumb new depths. This is largely because end-of-day trading tends to be dominated by institutional investors.

What is the difference between previous close and open price? ›

Whereas the Close Price at the end of day is calculated by taking the weighted average of the stock prices in the last 30 minutes. On the other hand the Open Price is decided through a call auction mechanism (Refer: What is Pre opening session in stock market).

What is the difference between the most recent trade and the previous day's price? ›

Net change is the difference between the closing price of a security on the current trading day and the previous day's closing price. The opening price is the cost of a security at the opening of an exchange.

What shows the change between the previous day's closing and the current day's closing price? ›

Net change is the difference between a prior trading period's closing price and the current trading period's closing price for a given security. For stock prices, net change is most commonly referring to a daily time frame, so the net change can be positive or negative for the given day in question.

What is the previous day close price line? ›

Previous Close Line

This study displays a horizontal line at the level of the Close Price from the end of the previous day. The end of the trading day is determined from the chart Session Times. Also refer to Understanding Trading Day Dates Based on Session Times.

What is the prior day closing price? ›

Prior Day Closing Price means the closing trading price of Common Units on the immediately preceding Trading Day on the National Securities Exchange on which the Common Units are then listed for trading.

What does the closing price tell you? ›

The closing price is the last price at which a security traded during the regular trading day. A security's closing price is the standard benchmark used by investors to track its performance over time. The closing price will not reflect the impact of cash dividends, stock dividends, or stock splits.

What is the 11am rule in trading? ›

It is not a hard and fast rule, but rather a guideline that has been observed by many traders over the years. The logic behind this rule is that if the market has not reversed by 11 am EST, it is less likely to experience a significant trend reversal during the remainder of the trading day.

What is the 10 am rule in trading? ›

The 10 a.m. rule in stock trading is a strategy suggesting that traders should wait until around 10 a.m. before making significant trading decisions. The rationale behind this rule is to allow the market to stabilize after the initial flurry of activity that follows its opening.

What is the best day to sell stocks? ›

If Monday may be the best day of the week to buy stocks, then Thursday or early Friday may be the best day to sell stock—before prices dip.

Is closing price of previous day same as opening price of next day? ›

Sometimes these prices are different. During a regular trading day, the balance between supply and demand fluctuates as the attractiveness of the stock's price increases and decreases. These fluctuations are why closing and opening prices are not always identical.

What price do stocks start at? ›

The opening price is the price at which a stock trades first when the exchange opens on the trading day.

Who decides stock opening price? ›

The received orders are then matched and depending on the supply and demand, the Opening Price of the stock is decided. Following this mechanism prevents sudden movements in the market and helps in smooth opening of the normal trading session.

What is the difference between opening price and offering price? ›

In an IPO offering, the company sells the shares to its investors at a particular price, which is known as the offering price. Now when the market opens for trading, the price at which these shares start to trade is different from the offering price and is known as the opening price.

What is the 11 am rule in trading? ›

It is not a hard and fast rule, but rather a guideline that has been observed by many traders over the years. The logic behind this rule is that if the market has not reversed by 11 am EST, it is less likely to experience a significant trend reversal during the remainder of the trading day.

Why is closing price different from chart? ›

The reason for the difference between the closing price on the NSE and the last traded price (LTP) is that the LTP represents the actual last traded price, while the NSE's closing price is calculated as a weighted average of the last 30 minutes of trading.

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