
Calculating stock repurchases requires understanding the company's financial performance and market conditions.
The share price and total shares outstanding are key factors in determining the total cost of the repurchase.
A common method for calculating stock repurchases is the treasury stock method, which considers the company's cash flow and financing options.
The treasury stock method assumes that the company will use retained earnings to fund the repurchase, reducing the number of shares outstanding.
The number of shares repurchased is directly related to the cash flow available for repurchases.
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What is Stock Repurchase
A stock repurchase, also known as a share repurchase, is a corporate event where a company buys back its own shares from the public market.
This action reduces the total number of shares outstanding, making each share more valuable. In theory, the share price impact should be neutral, but the market's perception can make it positive or negative.
The company might believe its current share price is undervalued, so buying back shares is a way to boost the price. By doing so, management is essentially betting on itself.
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The share buyback can benefit shareholders due to the increase in earnings per share (EPS), both basic and diluted. However, no real value is created, as the company's fundamentals remain unchanged.
Here are the possible outcomes of a stock buyback:
- Positive Stock Price Impact: If the market underpriced the company's cash, the buyback can cause a higher share price.
- Negative Stock Price Impact: If the market views the buyback as a last resort, signaling a lack of investment opportunities, the net impact is likely negative.
Example and Calculation
Let's break down the calculation behind a stock repurchase.
The diluted EPS pre-buyback is equal to the net income divided by the number of shares outstanding. For example, if a company has $2 million in net income and 1 million shares outstanding, the diluted EPS pre-buyback is $2.00.
A share repurchase decreases the number of shares outstanding used in the EPS denominator, which increases EPS as company earnings are divided by fewer shares.
To calculate the post-buyback diluted EPS, you divide the net income by the new number of shares outstanding after the repurchase. In our example, if the company repurchases 200k shares, the outstanding post-buyback number of diluted shares is 800k, and the post-buyback diluted EPS equals $2.50.
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The implied share price after a repurchase can be calculated by multiplying the new diluted EPS figure by the P/E ratio. For example, if the P/E ratio is 10x and the new diluted EPS is $2.50, the implied share price would be $25.00.
Here's a summary of the calculation steps:
In our example, the implied share price after the repurchase would be $25.00, which is a 25% increase from the original share price of $20.00.
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EPS Impact
The EPS impact of a stock repurchase is a crucial aspect to consider. A share repurchase reduces a company's outstanding shares, which can significantly boost its earnings per share (EPS).
For instance, let's take the example of Birdbaths and Beyond (BB), which had 100 million shares outstanding and a net income of $50 million. Its EPS was $0.50 ($50 million ÷ 100 million shares).
Assuming the company repurchased 10 million shares at an average cost of $10 each, its EPS would increase to $0.56 ($50 million ÷ 90 million shares). This is because the same net income is now divided among fewer shares.
As a result, the stock price would increase to $11.20, assuming the P/E multiple remains unchanged at 20. This 12% stock appreciation is entirely driven by the EPS increase.
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Process and Accounting

A company typically announces a "repurchase authorization" to undertake a stock buyback, which details the size of the repurchase, either in terms of the number of shares, a percentage of its stock, or a dollar amount.
Management has the prerogative to change its mind, a new priority arises, or a crisis hits, and the company may not buy back shares at all. This means that even with an authorization, the decision to buy back shares is always at the discretion of management.
To record the transaction, a company must debit "Treasury Stock" for the amount paid to reacquire the shares, representing the cost of obtaining the treasury shares.
The accounting entry also includes crediting "Cash" for the amount paid to buy back the shares, reducing the company's cash balance.
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Understanding the Process
A company typically announces a "repurchase authorization" to undertake a stock buyback, detailing the size of the repurchase in terms of the number of shares, a percentage of its stock, or a dollar amount.
This authorization can be used to repurchase stock in the public market, buying from any investor who wants to sell the stock, rather than specific owners.
A company usually uses its own cash or borrows cash to repurchase stock, though borrowing cash is riskier.
How to Record a Repurchase

To record a share repurchase, you debit the treasury stock account for the cost of the repurchased shares. This is the same for both U.S. GAAP and IFRS standards.
The treasury stock account is a contra-equity account that reduces shareholders' equity. By debiting treasury stock, the repurchase decreases retained earnings and equity.
The offsetting credit is usually to cash. For example, if Company A buys back 100 of its own shares at $10 per share, the journal entry would be: Debit Treasury Stock $1,000, Credit Cash $1,000.
The cost method is used for share repurchases, where the entire repurchase price is debited to treasury stock. This ignores the par value of the shares as well as the original proceeds received when the shares were first issued.
Here's a summary of the accounting entry:
- Debit Treasury Stock for the amount paid to reacquire the shares
- Credit Cash for the amount paid to buy back the shares
Proper disclosure of share repurchase activity is important for financial reporting transparency. Companies should disclose the number of shares repurchased, average price paid, total costs, and the reason behind the share buybacks.
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Ratios and Analysis

A share repurchase can significantly impact a company's earnings per share (EPS) calculation. This is because it decreases the number of shares outstanding, which in turn increases EPS.
For example, if a company's net income is $1 million and shares outstanding decrease from 100,000 to 90,000 due to a repurchase, EPS increases from $10 per share to $11.11 per share.
Companies often cite this potential EPS boost as a benefit of share buybacks, which can be misleading as it doesn't necessarily translate to increased profitability or value for shareholders.
Earnings Per Calculations
Earnings Per Share (EPS) Calculations are a key consideration for investors and analysts. A share repurchase decreases the number of shares outstanding, which increases EPS as company earnings are divided by fewer shares.
Lower shares outstanding can significantly boost EPS, as seen in the example where net income was $1 million and shares outstanding decreased from 100,000 to 90,000, increasing EPS from $10 to $11.11 per share.

In a hypothetical scenario, a company like Birdbaths and Beyond (BB) with 100 million shares outstanding and a net income of $50 million had an EPS of $0.50. After repurchasing and canceling 10 million shares, its EPS increased to $0.56.
The EPS increase can lead to a higher share price, assuming the price-earnings (P/E) multiple remains unchanged. For instance, if BB's stock was trading at a P/E multiple of 20, its share price would increase from $10 to $11.20, a 12% appreciation.
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Impact on Ratios
Share repurchases can have a significant impact on financial ratios, particularly return on equity (ROE). Reducing the number of shares outstanding can increase ROE, but this depends on the price paid for the shares relative to their book value.
A key ratio that may increase following share repurchases is return on equity (ROE). This is because reducing the number of shares outstanding increases earnings per share and ROE, assuming net income remains the same.

For example, if a company repurchases shares at a price lower than their book value, ROE may increase more significantly. Conversely, if the price paid for the shares is higher than their book value, the impact on ROE may be less pronounced.
Here's a summary of the potential impact on ROE:
Companies and Examples
Apple, a tech giant, has led the way in share buybacks, spending a whopping $85.5 billion on repurchases in 2021 alone. This is a significant shift from the past, where companies opted for dividends.
Apple's market capitalization briefly touched $3 trillion in 2022, demonstrating the impact of share buybacks on a company's stock price. The tech sector has largely followed suit, with high-growth companies opting for buybacks over dividends.
In fact, Apple spent only $14.5 billion on dividends in 2021, compared to the $85.5 billion spent on share buybacks. This shows that companies are prioritizing buybacks as a way to boost their stock price.
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Company X, a hypothetical example, repurchased 100,000 shares at $12 per share, spending a total of $1.2 million. This reduced the company's total shareholders' equity by the same amount.
Here's a breakdown of the accounting entries for Company X's share repurchase:
This shows that the repurchased shares are now considered authorized but unissued shares held by the company. The $1.2 million cash outlay is recorded by crediting Cash. After the transaction, Company X will have 900,000 shares outstanding.
Premium and Accounting Entries
When a company repurchases shares at a premium, the accounting entries can be a bit tricky. The key is to debit Treasury Stock for the par value of the shares and Retained Earnings for the premium amount.
To illustrate this, let's consider an example where a company repurchases 100,000 shares at $15, with a par value of $10 per share. The journal entry would be: Debit: Treasury Stock = $1,500,000 ($15 per share * 100,000 shares)Debit: Retained Earnings = $500,000 ($5 premium per share * 100,000 shares)Credit: Cash = $2,000,000
This shows how the premium is accounted for separately from the par value, with Retained Earnings being reduced by the premium amount.
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Accounting for Premium

Accounting for share repurchases at a premium requires careful consideration of the financial treatment.
The accounting entries for share repurchases at a premium involve debiting Treasury Stock and Retained Earnings.
To illustrate this, let's consider an example: a company repurchases 100,000 shares at $15 when the par value is $10 per share.
The journal entry for this transaction would be:
- Debit: Treasury Stock = $1,500,000 ($15 per share * 100,000 shares)
- Debit: Retained Earnings = $500,000 ($5 premium per share * 100,000 shares)
- Credit: Cash = $2,000,000
This shows the increase in Treasury Stock to account for the repurchased shares and the reduction in Retained Earnings by the premium amount.
The premium factor is also important to consider when calculating the cost of a share repurchase program.
Accounting Entries for Shares
A share buyback is recorded in a company's accounting records with a simple debit and credit entry. The treasury stock account is debited for the cost of obtaining the treasury shares.
Debiting treasury stock reduces shareholders' equity by decreasing retained earnings. Crediting cash reduces the asset account for the cash paid to reacquire the shares.
If a company buys back 10,000 of its own shares for $15 per share, the accounting entry would be to debit treasury stock for $150,000 and credit cash for the same amount.
Companies may repurchase shares to boost EPS, return capital to shareholders, or invest in undervalued stock.
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Frequently Asked Questions
How to calculate share repurchase value?
To calculate share repurchase value, multiply the number of shares repurchased by the repurchase price for each tranche, then subtract the value of new stock issuances in the same period. This gives you the net value of a company's stock buybacks.
Sources
- https://www.wallstreetprep.com/knowledge/stock-buyback/
- https://www.investopedia.com/articles/investing/112013/impact-share-repurchases.asp
- https://matthewssouth.com/calculating-and-comparing-repurchase-prices-is-more-interesting-than-you-think/
- https://www.bankrate.com/investing/stock-buybacks/
- https://www.vintti.com/blog/share-repurchase-programs-accounting-treatment
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