Reverse Stock Split Calculator

Calculate the reduced share count and new price per share after a reverse stock split. Enter the consolidation ratio to see how your holdings are affected.

Current Number of Shares

Current Price Per Share

Consolidation Ratio (e.g., 10 for 1:10 reverse split)

Common reverse split ratios:

1:2 - Half shares, double price
1:10 - One-tenth shares, 10x price
1:20 - One-twentieth shares, 20x price

Results

Enter values and click Calculate to see results

How to Use This Reverse Stock Split Calculator

Enter your current share count

Input the total number of shares you own before the reverse split. For example, if you own 1,000 shares, enter "1000".

Enter the current price per share

Input the stock's current market price. This helps calculate your total holding value before and after the split.

Enter the consolidation ratio

For a 1:10 reverse split, enter "10". The calculator shows your new share count, adjusted price, and confirms your total value stays the same.

Common Reverse Split Ratios

Ratio	Example	Old Shares	New Shares	Price Change
1:2	2-for-1	1,000	500	2x
1:5	5-for-1	1,000	200	5x
1:10	10-for-1	1,000	100	10x
1:20	20-for-1	1,000	50	20x
1:50	50-for-1	1,000	20	50x

Note: Your total investment value remains unchanged. Only the number of shares and price per share adjust.

Understanding Reverse Stock Splits

A reverse stock split reduces the number of outstanding shares while increasing the price per share proportionally. If you owned 100 shares at $5 each before a 1:10 reverse split, you'd own 10 shares at $50 each afterward. Your total value stays at $500.

Companies do reverse splits for a few reasons. The most common is to meet minimum price requirements for stock exchange listing. NYSE requires a $4 minimum share price; NASDAQ requires $1. Stocks trading below these thresholds face delisting risk. A reverse split boosts the price overnight.

Sometimes companies use reverse splits to appear more "respectable" to institutional investors. Some funds won't buy stocks under $5 or $10. A higher price per share can also reduce transaction costs for brokers who charge per-share fees.

Important: Reverse splits don't create value. They're like exchanging a $10 bill for two $5 bills — you have different denominations, but the same amount of money.

What Reverse Splits Mean for Investors

Fractional Shares

If the reverse split would give you fractional shares, companies typically round up to the nearest whole share or pay cash for the fraction. Check the company's proxy statement for their specific policy.

Market Perception

Reverse splits often signal trouble. The stock price fell so low that management needed engineering to meet exchange rules. Studies show stocks underperform after reverse splits, though causation is unclear — the underlying business problems caused both the price drop and the need for a split.

Options and Warrants

Options contracts adjust for reverse splits. A contract for 100 shares at a $50 strike might become a contract for 10 shares at a $500 strike. The Options Clearing Corporation handles these adjustments automatically.

Tax Implications

Reverse splits are generally not taxable events. Your cost basis per share adjusts proportionally. If you paid $3 per share and owned 100 shares ($300 total basis), after a 1:10 split you'd have 10 shares with a $30 per share basis — still $300 total.

Frequently Asked Questions

Does a reverse stock split change my investment value?

No. Your total investment value stays exactly the same. If you owned $5,000 worth of stock before the split, you'll own $5,000 worth after. The number of shares decreases and the price per share increases proportionally.

Is a reverse split good or bad?

The split itself is neutral — it's just math. But reverse splits often happen at struggling companies that needed to avoid delisting. The stock may continue falling if the underlying business doesn't improve. That said, some companies use reverse splits as part of legitimate restructuring.

What happens to fractional shares in a reverse split?

Companies handle fractions differently. Some round up to the nearest whole share (benefiting shareholders). Others round down or pay cash for the fractional portion. The specific terms appear in the company's reverse split announcement filed with the SEC.

How do I calculate my new share count?

Divide your current shares by the split ratio. For a 1:10 reverse split with 500 shares: 500 / 10 = 50 new shares. Multiply your old price by the ratio for the new price. $2 per share becomes $20 after a 1:10 split.

Can a company do multiple reverse splits?

Yes, though it's a bad sign. Some companies repeatedly reverse split as their stock keeps falling. This is sometimes called "reverse split syndrome" — the company can't fix its fundamental problems, so it keeps engineering the stock price.

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