Corporate Action Tool

Stock Split & Bonus Calculator

Calculate the impact of stock splits, reverse splits, and bonus issues on your shares and cost basis. Professional analysis for stock market corporate actions.

Current Holding

$

Split Ratio

:

Example: 2:1 Split means you get 2 new shares for every 1 old.

The "No Value" Myth

A stock split does not increase your wealth. It's like cutting a pizza into more slices—the pizza is still the same size. The market often reacts positively due to perceived "affordability" for retail investors.

Post-Split Shares
200
Forward Split (2:1)
Multiplier: 2.00x
$New Adjusted Cost Basis
$100.00

Your new break-even price per share.

Total Investment Value
$20,000.00

Remains unchanged after corporate action.

Professional Insight: Stock splits are often seen as a sign of management's confidence in the company's future price growth. Reverse splits, however, are usually a warning sign of a struggling stock trying to maintain listing requirements.

Mastering Stock Splits & Corporate Actions

Forward Split vs. Reverse Split

In a Forward Split (e.g., 2:1), the company increases the number of shares and decreases the price per share. This is done to make the stock more accessible to retail investors.

In a Reverse Split (e.g., 1:10), the company decreases the number of shares and increases the price per share. This is often used by penny stocks to stay above the $1.00 minimum listing requirement of exchanges like the NASDAQ.

What about Bonus Shares?

A Bonus Issue is similar to a split. If a company announces a "1:5 bonus," it means you get 1 extra share for every 5 you own. In our calculator, this would be entered as a 6:5 ratio (you now have 6 shares for every 5 old ones).

Taxes and Fractions

Most brokers will sell fractional shares resulting from a split and give you the cash (called "Cash in Lieu"). Your total investment value might change by a few cents due to this rounding.

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