Reverse Stock Split
A reverse stock split reduces outstanding shares while proportionally increasing price per share, all else equal.
Basic example
Before a 1-for-10 reverse split:
- shares owned: 1,000
- share price: $0.80
- position value: $800
After the split:
- shares owned: 100
- theoretical price: $8.00
- position value: $800
The ownership unit changed. The business did not become ten times more valuable.
Why companies use reverse splits
Investor.gov notes that companies may use reverse splits to raise a low nominal trading price or try to regain compliance with minimum bid-price requirements.[1]
That can solve a listing-price problem mechanically. It cannot repair weak revenue, cash flow or financing.
Real 2026 example
Glucotrack disclosed a 1-for-15 reverse split effective August 28, 2026, with split-adjusted trading beginning August 31.[2]
Its filing also restated historical per-share and share-count information. That is necessary because otherwise a reverse split can create fake jumps in EPS and other per-share metrics.
Outstanding shares fall without a buyback
If 150 million shares undergo a 1-for-15 split, the post-split count is roughly 10 million shares, subject to fractional-share treatment.
No comparable corporate cash outflow occurred.
A reverse split is therefore not a share repurchase.
Authorized shares can become more important
Some reverse splits reduce outstanding shares without proportionally reducing authorized shares.
That can leave a much larger pool of authorized-but-unissued shares available afterward.
The current share count falls, yet future dilution capacity can increase.
That is one of the most important items to verify in the charter amendment.
EPS adjusts mechanically
Suppose:
- net income: $10 million
- weighted shares: 100 million
- EPS: $0.10
After a 1-for-10 reverse split, comparable weighted shares become about 10 million and adjusted EPS becomes about $1.00.
Profit did not increase.
Fractional shares
A holder whose position is not evenly divisible by the ratio may receive cash in lieu or another treatment specified by the issuer.
Investor.gov notes that some reverse splits can cash out small shareholders entirely.[1]
Options, warrants and convertibles
Equity-linked instruments generally require corresponding adjustments.
A warrant for 100 shares at $1 per share might become a warrant for 10 shares at $10 after a 1-for-10 split, depending on the contract.
The instrument terms control.
Common mistakes
"A reverse split makes shareholders richer."
No.
"A reverse split is a buyback."
No.
"A lower share count eliminates dilution risk."
Not necessarily.
"A higher post-split price proves recovery."
No.
Example
A 1-for-10 split converts 1,000 shares at about $0.80 into 100 shares at about $8 before market movement.
Professional note
Check the ratio, effective date, fractional-share treatment, authorized-share treatment and adjustments to options, warrants and convertibles. The split itself is arithmetic. The financing capacity created around it can be economically important.
Related terms
- Weighted-Average Shares Outstanding
Weighted-average shares outstanding are the average number of common shares considered outstanding during a reporting period after weighting share-count changes by the portion of the period they were outstanding.
- Shares Outstanding
Shares outstanding are issued shares currently held outside the issuing company, excluding shares held in treasury.
- Stock Split
A stock split increases the number of shares while proportionally reducing the price per share, all else equal, without mechanically changing shareholders’ equity or ownership percentage.
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