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.
See Also
Open Price

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? ›

Key Takeaways

What is the 10am rule for stocks? ›

Traders that follow the 10 a.m. rule think a stock's price trajectory is relatively set for the day by the end of that half-hour. For example, if a stock closed at $40 the previous day, opened at $42 the next, and reached $43 by 10 a.m., this would indicate that the stock is likely to remain above $42 by market close.

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 3 day rule in stocks? ›

In short, the 3-day rule dictates that following a substantial drop in a stock's share price — typically high single digits or more in terms of percent change — investors should wait 3 days to buy.

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.

What is the 15 minute rule in stocks? ›

You can do a quick analysis, adjust your trading strategy and get into a good position well after the crowd pulls the trigger on a gap play. Here is how. Let the index/stock trade for the first fifteen minutes and then use the high and low of this “fifteen minute range” as support and resistance levels.

What is the 90% rule in stocks? ›

Key Takeaways

The 90/10 strategy calls for allocating 90% of your investment capital to low-cost S&P 500 index funds and the remaining 10% to short-term government bonds. Warren Buffett described the strategy in a 2013 letter to his company's shareholders.

What is the 5 minute rule in trading? ›

Every Trader can utilize this indicator and they can earn a lot of profit. In the 5 minute scalping system or strategy, the seller and buyer requires to establish a lowest level of 10 trades in no more than a one day for the purpose of benefits on whichever insignificant price movements.

What is the 357 rule in trading? ›

The 3–5–7 rule in trading is a risk management principle that suggests allocating a certain percentage of your trading capital to different trades based on their risk levels. Here's how it typically works: 3% Rule: This suggests risking no more than 3% of your trading capital on any single trade.

What is the best time of day to buy stocks? ›

The opening period (9:30 a.m. to 10:30 a.m. Eastern Time) is often one of the best hours of the day for day trading, offering the biggest moves in the shortest amount of time. A lot of professional day traders stop trading around 11:30 a.m. because that is when volatility and volume tend to taper off.

What is No 1 rule of trading? ›

Rule 1: Always Use a Trading Plan

You need a trading plan because it can assist you with making coherent trading decisions and define the boundaries of your optimal trade. A decent trading plan will assist you with avoiding making passionate decisions without giving it much thought.

Why do I have to wait 2 days to sell a stock? ›

If you have a cash account with your brokerage firm, it takes two days for the trade to settle and the cash to be available to trade. This is known as T+2. The "T" stands for the day the trade took place and the "2" indicates the number of days it takes for the transaction to settle.

What is the 72 hour rule in stocks? ›

Let's say that you start with the time frame in mind, hoping an investment will double in value over the next 10 years. Applying the Rule of 72, you simply divide 72 by 10. This says the investment will need to go up 7.2% annually to double in 10 years. You could also start with your expected rate of return in mind.

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.

Why is the closing price important in trading? ›

The closing price of an asset is very important as it acts as a fundamental yardstick that traders use to measure stability and identify critical price levels and stock performance over time.

How to buy stock at closing price? ›

In the post-closing session, clients can place buy or sell orders in the equity delivery segment using the CNC product code at the market price. If the order is placed as a market order, it will be placed on the exchange at a closing price.

What time of day are stocks cheapest? ›

The best time of day to buy and sell shares is usually thought to be the first couple of hours of the market opening. The reason for this is that all significant market news for the day is factored into the stock price first thing in the morning.

What is the 2 day rule for stock trading? ›

Since a trade held less than two days in a cash account requires settled funds to avoid a good faith violation, it may become necessary to wait at least two days between trades so that the day trades or short-term trades may be executed using settled funds only.

What is the 2 day rule for stocks? ›

This settlement cycle is known as "T+2," shorthand for "trade date plus two days." T+2 means that when you buy a security, your payment must be received by your brokerage firm no later than two business days after the trade is executed.

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