
Following a stock split, you must reallocate your basis between the original shares and the shares newly acquired in the stock split. Stock splits don't create a taxable event; you merely receive more stock evidencing the same ownership interest in the corporation that issued the stock. You don't report income until you sell the stock.
How do you calculate cost basis on a stock split?
To do this, you’ll need to specify one of these cost basis methods at the time of sale:
- Average Cost – an average of the total purchase cost divided by the total shares held. ...
- LIFO – or Last In, First Out – sells shares in the most recent lot ID first.
- FIFO – or First In, First Out – sells shares in the oldest lot ID first.
- Highest Cost – sells shares in the lot ID with the highest cost basis.
How to figure out cost basis on a stock investment?
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How do you calculate cost basis?
Your cost basis typically includes:
- The original investment you made in the property minus the value of the land on which it sits
- Certain items like legal, abstract, or recording fees incurred in connection with the property
- Any seller debts that a buyer agrees to pay
How to calculate the basis for multiple stock splits?
If the stock splits multiple times, multiply out the multipliers. In the example, if stock XYZ incurred a 2-for-1 split, followed by a 3-for-1 split, you would multiply 2/1 times 3/1 to get 6/1, or just 6. Divide the cost basis per share by this multiplier. This calculates the cost basis per share after the split.

How do splits affect cost basis?
The cost basis per share remains the same. The split and reverse split have no impact on the cost basis per share.
How does a 2 for 1 stock split affect cost basis?
If Nike declares a 2:1 forward split, you then own 200 shares at $60 per share. The value of your investment is still $12,000. Your total cost basis remains $5,000 because that is how much you paid for your shares, but your cost per share declines to $25 ($5,000 divided by 200 shares).
How do you calculate the basis of a stock split?
Divide your per share basis by the number of new shares you received for each old share in the first stock split. For example, if your stock split five new shares for every old share, divide $25 by 5 to get a new basis of $5 per share.
What happens to the value after stock split?
After a split, the stock price will be reduced (because the number of shares outstanding has increased). In the example of a 2-for-1 split, the share price will be halved.
How does the IRS know your cost basis?
You usually get this information on the confirmation statement that the broker sends you after you have purchased a security. You—the taxpayer—are responsible for reporting your cost basis information accurately to the IRS. You do this in most cases by filling out Form 8949.
What is a split adjusted basis?
Split adjusted refers to how historical stock prices are portrayed in the event that a company has issued a stock split for its shares in the past. When reviewing price data, whether in tables or on charts, split adjusted data will reflect the increase in price as if there had been no split in the shares.
How do I change my cost basis after a stock split?
How Stock Splits Affect Cost BasisTake the original investment amount ($10,000) and divide it by the new number of shares you hold (2,000 shares) to arrive at the new per-share cost basis ($10,000/2,000 = $5).Take your previous cost basis per share ($10) and divide it by the split factor of 2:1 ($10.00/2 = $5).
How is a stock split treated for tax purposes?
Stock splits are generally not taxable, as the cost basis per share is updated to reflect the new stock structure and price so that the total market value is the same. Since you did not make any gains on the stock split, no taxes are owed.
Should you buy stock before or after a split?
As always, investors shouldn't buy the stock after a dividend record date in the hopes of receiving the related dividend. In general, dividends declared after a stock split will be reduced proportionately per share to account for the increase in shares outstanding, leaving total dividend payments unaffected.
Should you sell before a stock split?
Splits are often a bullish sign since valuations get so high that the stock may be out of reach for smaller investors trying to stay diversified. Investors who own a stock that splits may not make a lot of money immediately, but they shouldn't sell the stock since the split is likely a positive sign.
Do stocks typically go up after a split?
In almost all cases, after a stock split, the number of shares that are held by a shareholder increase. The caveat in this regard is the fact that the price per share reduce, because the shareholders now get more shares for the given price. The market capitalization in this regard stays the same.
Is stock split good for investors?
A stock split doesn't make investors rich. In fact, the company's market capitalization, equal to shares outstanding multiplied by the price per share, isn't affected by a stock split. If the number of shares increases, the share price will decrease by a proportional amount.
When do companies announce a stock split?
A company will sometimes announce a stock split when the price of the shares has risen to the point that it might be unappealing to investors who are more comfortable with lower-priced securities.
How long after a stock split can you sell?
Keep in mind that you may not sell your stock for several years after a split, so it doesn’t hurt to do a little research and figure out if your shares were sliced up at any point after the initial purchase. Of course, you’ll want to adjust your basis each and every time the stock was split.
What is short selling strategy?
First, let’s look at short-sellin g , a strategy in which the investor is betting that the stock price will decline. Basically, the investor borrows shares through his/her brokerage account and agrees to replace them back at a later date. She immediately sells the stock on the secondary market, hoping that s/he’ll be able to buy the same number of shares at a lower price before the loan comes due. (See " An Overview of Short Selling .")
Why do people put stop orders on stocks?
Such orders instruct the broker to sell a stock if the price goes above or below a given level. Often, people use a stop order to protect against significant losses, especially in cases where they can’t, or don’t intend to, monitor the stock price regularly.
Can a stop order be voided?
Don’t assume your brokerage house will adjust the trigger price following a stock split. In most cases, the stop order is simply voided. Therefore, you’ll have to place a new order with the broker if you’re still interested in protecting your investment.
Do you have to wait for stock certificates to be sent after a stock split?
While you may have paper stock certificates for the original shares you purchased, don’t necessarily wait for new ones to appear in the mail following a stock split. More companies are now issuing new shares in book-entry form (i.e. electronically) rather than the old-fashioned way.
Can you get dividends after a stock split?
Eligibility for Dividends. One of the common questions that investors have after a stock split is whether their new shares are eligible for dividends. Unfortunately, this usually isn’t the case. Only shares held as of the dividend’s date of record qualify for dividend payouts.
What does it mean when a stock splits before the shares are returned?
If the stock undergoes a 2-for-1 split before the shares are returned, it simply means that the number of shares in the market will double along with the number of shares that need to be returned. When a company splits its shares, the value of the shares also splits.
What is a stock split?
Key Takeaways. A stock split is a corporate action in which a company increases the number of its outstanding shares by issuing more shares to current shareholders. The primary motive of a stock split is to make shares seem more affordable to small investors. Although the number of outstanding shares increases and the price per share decreases, ...
What is reverse stock split?
Reverse stock splits are when a company divides, instead of multiplies, the number of shares that stockholders own ( thereby raising the market price of each share). 1:16.
How much do short investors owe after a split?
In the case of a short investor, prior to the split, they owe 100 shares to the lender. After the split, they will owe 200 shares (that are valued at a reduced price). If the short investor closes the position right after the split, they will buy 200 shares in the market for $10 and return them to the lender.
Do stock splits affect short sellers?
Stock splits do not affect short sellers in a material way. There are some changes that occur as a result of a split that can impact the short position. However, they don't affect the value of the short position.
What is a stock split?
Stock splits occur periodically and give shareholders new shares based on the number of shares they previously owned. For example, a company might do a two-for-one stock split where each shareholder gets two shares for each old share.
How to find basis per share?
Step 1. Divide the amount you paid to acquire the shares by the number of shares you originally purchased. For example, if you paid $2,500 to purchase 100 shares, divide $2,500 by 100 to find your basis per share is $25. Step 2.
Is a stock split taxable?
Stock splits by themselves aren't taxable events because you don't realize a gain or loss. However, you do need to figure your per share basis for each new share so that when you do sell some of them, you can calculate your gain or loss correctly. Step 1. Divide the amount you paid to acquire the shares by the number of shares you originally ...
How many times more shares will investors own than they have now?
That means investors will now own four times more shares than they have now. The stock price, of course, will fall by a proportionate amount so the market value of their holdings won't change. Fundamentally, nothing changes, but the shares may be affordable for more investors with their lower pricing.
Is Trex stock split?
A few days later and with a lot less fanfare, Trex Company Inc (NYSE:TREX) also announced an upcoming stock split. If stock splits are making a comeback, it is worth looking at how stocks tend to perform after making their shares cheaper.

Stock Splits 101
Advanced Trading Strategies
- For most trading activity, the effect of a stock split is pretty straightforward. But naturally, investors with more complicated positions in the stock—for instance, if they’re short-selling it or trading options—may wonder how the split affects those trades. If this is you, take a deep breath. In both these cases, your trades are adjusted in a way that neutralizes the impact on your invest…
Cancelation of Stop Orders
- One area where stock splits can have an impact is a stop order. Such orders instruct the brokerto sell a stock if the price goes above or below a given level. Often, people use a stop order to protect against significant losses, especially in cases where they can’t, or don’t intend to, monitor the stock price regularly. Don’t assume your brokerage ...
Eligibility For Dividends
- One of the common questions that investors have after a stock split is whether their new shares are eligible for previously declared dividends. This usually isn’t the case, because companies splitting their stock are not increasing total dividend payments in doing so. Only shares held as of the dividend’s record datequalify for dividend payouts. As always, investors shouldn’t buy the sto…
Calculating Capital Gains
- Figuring out how much capital gains taxyou owe can be a pain as it is, and stock splits don’t make it any easier. Investors will have to adjust their cost basis—that is, the cost of the shares they own—to accurately calculate their profit or loss.2 If you owned XYZ Bank stock prior to its 2:1 split, your basis for each of those original shares is now $50, not $100. Otherwise, it may look lik…
New Stock Certificates?
- While you may have paper stock certificates for the original shares you purchased, don’t necessarily wait for new ones to appear in the mail following a stock split. More companies are now issuing new shares in book-entry form (i.e. electronically) rather than the old-fashioned way. To figure out how a particular company handles this, check the Investor Relationssection of its …
The Bottom Line
- In most cases, your brokerage will automatically adjust your trades to reflect the new price of a stock that has split. Still, investors should take extra care when reporting a post-split cost basis and be sure to re-submit any stop orders placed prior to the split.