Weighted Average of Outstanding Shares Definition and Calculation (2024)

The number of shares outstanding in a company will often change due to a company issuing new shares, repurchasing shares, and retiring existing shares. The number of outstanding shares can also change if other financial instruments are turned into shares. An example of this is when employees of the company convert their employee stock options (ESO) into shares.

The weighted average of outstanding shares is a calculation that incorporates any changes in the number of a company's outstanding shares over a reporting period. The reporting period usually coincides with a company's quarterly or annual reports. The weighted average is a significant number because companies use it to calculate key financial measures with greater accuracy, such as earnings per share (EPS) for the time period.

Key Takeaways

  • The weighted average of outstanding shares is a calculation that a company uses to reflect any changes in the number of the company's outstanding shares over a reporting period.
  • Events that can cause the number of a company's outstanding shares to fluctuate include share buybacks, employees exercising stock options, the issuance of new shares, and the retirement of existing shares.
  • To calculate the weighted average of outstanding shares, take the number of outstanding shares and multiply the portion of the reporting period those shares covered; do this for each portion and then add the totals together.
  • It's important for a company to have an accurate weighted average of outstanding shares because the number is used to calculate key financial measurements, such as earnings per share (EPS).

Importance of a Weighted Average of Outstanding Shares

Calculating a weighted average of outstanding shares is important because it allows a company to calculate its earnings per share (EPS), which is a measurement of how much money a company makes for each share of its stock. Potential investors in a company look at the EPS as an indicator of the company's profitability and compare this metric with the EPS of other companies before making an investment decision.

For example, let's say a company has 100,000 shares outstanding at the start of the year. Halfway through the year, it issues new shares in the amount of an additional 100,000 shares. Thus, the total amount of shares outstanding increases to 200,000.

If at the end of the year the company reports earnings of $200,000, which amount of shares should be used to calculate earnings per share (EPS): 100,000 or 200,000? If the 200,000 shares were used, the EPS would be $1, and if 100,000 shares were used, the EPS would be $2—this is quite a large range! To avoid the confusion caused by such a large range, the company must calculate the weighted average of outstanding shares to arrive at a more accurate EPS for the given time period.

Calculating Weighted Average of Outstanding Shares

This potentially large range is the reason why a weighted average is used, as it ensures that financial calculations will be as accurate as possible in the event that the amount of a company's shares changes over time. The weighted average number of shares is calculated by taking the number of outstanding shares and multiplying the portion of the reporting period those shares covered, doing this for each portion and, finally, summing the total.

The weighted average number of outstanding shares in our example would be 150,000 shares.

Weighted Average of Outstanding Shares Definition and Calculation (1)

The earnings per share calculation for the year would then be calculated as earnings divided by the weighted average number of shares ($200,000/150,000), which is equal to $1.33 per share.

Special Considerations

Understanding how to calculate a weighted average can also be useful to individual investors who want to calculate their cost basis. The cost basis refers to the original purchase price of an asset or investment for tax purposes. Investors calculate the cost basis to determine if their investment has been profitable or not, along with any possible taxes they might owe on the investment.

Because investors frequently purchase shares of a company at various times and in various amounts as they build their position in a stock, it can be a challenge to keep track of the cost basis of those shares. One method is for the investor to calculate a weighted average of the share price paid for the shares. The investor would multiply the number of shares acquired at each price by that price and then add those values together. Lastly, divide the total value by the total number of shares purchased to arrive at the weighted average share price.

What Are Shares Outstanding?

Shares outstanding refers to the amount of stock held by shareholders, including restrictive shares held by company insiders. A company, however, may have authorized more shares than the number of outstanding but has not yet issued them. These may later appear in the form of a secondary offering, through converting convertible securities, or issued as part of employee compensation such as stock options. Due to these factors, the actual number of shares outstanding can vary over the course of a reporting period.

How Do Stock Buybacks Influence Shares Outstanding?

A company may authorize buying back some of its own shares in the market if they believe that the market is undervaluing them and there is enough cash on the balance sheet to do so. After shares are repurchased, they are often retired. In this case, the number of shares outstanding for the firm decreases. The number of shares outstanding can also be reduced via a reverse stock split.

How Are Weighted Average Shares Outstanding Used?

Using weighted average shares outstanding gives a more accurate picture of the impact of per-share measurements like earnings per share (EPS). Note that this method does not account for shares that can be potentially released through various mechanisms, so a weighted average shares outstanding will not tell you the diluted EPS.

Weighted Average of Outstanding Shares Definition and Calculation (2024)

FAQs

Weighted Average of Outstanding Shares Definition and Calculation? ›

ASC 260-10. Computing a Weighted-Average. 55-2 The weighted-average number of shares is an arithmetical mean average of shares outstanding and assumed to be outstanding for EPS computations. The most precise average would be the sum of the shares determined on a daily basis divided by the number of days in the period.

How to calculate weighted average outstanding shares? ›

The weighted average number of shares is determined by taking the number of outstanding shares and multiplying it by the percentage of the reporting period for which that number applies for each period.

How to calculate weighted average price of shares? ›

The investor can calculate a weighted average of the share price paid for the shares. To do so, multiply the number of shares acquired at each price by that price, add those values, then divide the total value by the total number of shares.

How do you calculate weighted average? ›

Simply, in order to find the weighted average, one must first multiply all values in the data set by their corresponding weights. Then, add up the resulting products and divide by the sum of the weights. When dealing with percentages, one will usually find that the sum of weights is equal to 1 or 100%.

Why do we calculate weighted average number of shares? ›

A company thus resorts to a weighted average shares calculation to accurately determine its earnings. It utilises this calculation to arrive at a total of outstanding shares not only at the end of a period but also throughout such duration.

What is the formula for calculating outstanding shares? ›

Formulas for calculating shares outstanding

Shares outstanding = Shares issued - Shares repurchased. Shares outstanding = Authorised shares - Treasury stock.

How do you calculate average outstanding? ›

The bank adds all the daily outstanding balances in the period (usually a month) and divides this sum by the number of days in the period. The result is the average outstanding balance for the period.

How do you calculate the average of shares outstanding? ›

To calculate the weighted average of outstanding shares, take the number of outstanding shares and multiply the portion of the reporting period those shares covered; do this for each portion and then add the totals together.

What is the difference between average and weighted average? ›

Average is sum of all the values and divided by number of values. In contrast, the weighted average is values multiplied by the weight and divide by sum of weight. In below example we have different items and their respective price, quantity sold and sales value which is their quantity sold* price.

Why do we calculate weighted averages? ›

Weighted averages assign importance (or weight) to each number. A weighted average can be more useful than a regular average because it offers more nuance. It reduces the weight of data that is less important, allowing more material data to have a more significant effect on the result.

Is there a weighted average formula in Excel? ›

To calculate the weighted average in Excel, you must use the SUMPRODUCT and SUM functions using the following formula: =SUMPRODUCT(X:X,X:X)/SUM(X:X) This formula works by multiplying each value by its weight and combining the values.

What is an example of a weighted mean? ›

Weighted Mean Examples

A student scores 80/100 for class attendance, 4/5 in project work, 35/50 in tests, and 8/10 in home assignments. Find the final score of the student. Therefore, the final score of the student is 0.76.

What is the weighted average cost? ›

What is Weighted Average Cost (WAC)? In accounting, the Weighted Average Cost (WAC) method of inventory valuation uses a weighted average to determine the amount that goes into COGS and inventory. The weighted average cost method divides the cost of goods available for sale by the number of units available for sale.

What is the formula for weighted average shares outstanding? ›

55-2 The weighted-average number of shares is an arithmetical mean average of shares outstanding and assumed to be outstanding for EPS computations. The most precise average would be the sum of the shares determined on a daily basis divided by the number of days in the period.

How to calculate the average of shares? ›

To find the stock average, add the total cost of all stock transactions and divide by the total number of shares purchased. This calculates the weighted average price per share. Alternatively, use the formula (Opening Stock + Closing Stock) / 2 for inventory, calculating average stock levels throughout time.

What does weighted average share price mean? ›

If you buy shares of stock at different times, evaluating your investments' performance can be difficult. The best way to do this is by calculating a weighted average. This means that you multiply each price you paid by the number of shares you bought at that price.

How do you calculate weighted average days outstanding? ›

To calculate WADO, you need to multiply the amount of each overdue invoice by the amount it's time they're overdue by (in days) and total them, then divide this figure by the sum of the values.

How do you calculate the weighted average of shares outstanding when a stock dividend? ›

Final answer:

When computing the weighted average of shares outstanding, additional shares from a stock dividend or stock split are included in the calculation and treated as if they had been outstanding for the entire period. Therefore, The correct option is 2) They are included in the calculation.

How do you calculate weighted average number of shares in Excel? ›

Use the SUM function to find the total of the values multiplied by their corresponding weight. To do this, multiply each value in column B by each weight in column C. For example, to find the weighted average of the first three items in your dataset, you can enter =SUM(B2*C2, B3*C3, B4*C4).

How do you calculate weighted average on a balance sheet? ›

The period that the average balance is to be calculated can be of any duration: a year, a quarter, a month and so on. Add the daily balances for each day during the period and divide by the number of days in the period. The result is the "weighted average balance" for the period.

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